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How to Build a Tiny House Photos

There are many ways to build a Sing Tiny House. Here’s an step-by-step example of a highly energy efficient tiny house with R-27 walls being built from scratch.



 

How to Build a Tiny House Photos

3X Sing Tiny House Completed

24 Sing Core Tiny House floor plan

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Tiny House News

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How to Build a Sing Door

There is no doubt that Sing Core is responsible for the best doors in the world that can be built in any size for any functional purpose that can be guaranteed to not warp, bend, twist or otherwise fail for a full fifty years of regular use, even though Sing Core does not build doors.

Some individuals can be confused when they visit Sing Core and expect to just buy a pre-hung door that is the best door in the world, only to find that Sing Core does not actually make the door. Sing Doors are made of Sing Core, although we only supply the pre-configured base door material to achieve the results sought by the most demanding clients in the world.

Standard Size Sing Door Blanks

By popular demand SingCore introduces patented door core in economical and easy-to-use standard door width door blanks.

How does it Work?

In the real world, an architect, engineer, designer or the client conceives of the concept of their desired door. In many cases the high concept doors are problematic; some of them are large doors, which tend to fail due to their enormous size, while others may feature exotic materials that are susceptible to warp. Sing Core has the technology to create a lightweight substructure that is stronger than steel pound-for-pound and can be structurally guaranteed for 50 years under normal designed and manufactured use.

It might be helpful, for you to follow us on a journey through the making of a Sing Door.

A Day in the Life of a Sing Door

Door idea dream door concept any size any material any shape any design1 STARTS WITH THE DESIGN

The first step is the idea of the door, that beyond conceptual design is reduced to its most simplest form: The height, width, thickness of the door and the exterior material that is to be featured on the exposed surface(s) of the door.

Custom door design specifications sing core insulated torsion box door core2 SUBMIT TO SING CORE

The idea is then submitted via trade professional (possessing wholesale privileges) via our online quote request. The doors’ specifications are reviewed by our Non-warp True Flat Specialists, who can help determine what materials will be used inside the door to achieve the results expected by the end user.

If the client’s expectations include trouble-free high performance over a long life, the resulting design will be given special treatment resulting in a professional door base.

Exterior door guaranteed custom doors no door warp blank3 CREATION OF BASE DOOR

The resulting specifications are sent to Sing Core’s factory to custom assemble all the substructure components and composite materials necessary to achieve the results sought by the client.

This includes interior framing, insertion of Sing’s patented torsion box core material, solid inserts, lock blocks, fusion of other inner and surface materials plus any specified lite cutouts for installation of glass windows.

4 DOOR FINISHING

Exterior door handmade custom doors any size large door torsion box coreAfter the Sing Core factory has created the base door (door blank) it is sent to the door finisher; this could be a door manufacturer, custom millwork, industrial engineers or high end craftsperson specializing in ornate doors for elite consumers.

The door finisher applies the final finish to the door (trimming, edge routing, painting or other finish treatment), drilling, preparing the finished door for hardware and will likely install the glass (if specified, though sometimes this is done on site depending on the project).

The door finisher may (or may not) pre-hang the door (install all hardware and attach frame).

5 DOOR INSTALLATIONS

Then the door is packed up and sent to the job site, where the attending licensed contractor installs the final door.

Sing Crowd Manufacturing

In this sense, each and every Sing Door is a crowd manufactured project; it is a cooperative effort of many individuals from concept-to-installation, without whom no Sing Door would ever be made.

So, How Can I Get a Sing Door?

The process is simple; if you are a door company or qualify for a wholesale account, you deal directly with us, otherwise, you must seek out a professional anywhere within the Sing chain who will contact us and deal with us directly and they will partner with us by submitting your request to make sure you get the best door in the world custom-designed for the high performance that you demand.

If you are seeking out a Sing Door, we know who you are; you desire only the very best and will not settle for less and we are proud to be the only door partner in the world who can help to make you a door of any size using any material and meeting or exceeding your expectations, guaranteed.

Sing door blanks are created at our factory

Then they go to the door shop

Delivery to job site for installation

Non warp door blank for building non warping doors of any sizeYou could be one of the best door builders by outsourcing your OEM non warping door blanks.

Sing Core has served the building industry by providing the only Eco-friendly, insulated non-warp high-strength, lightweight door. Contractors who build Sing Homes (entire homes built of Sing products) want the added strength, stability, insulation and non-warping doors in all egress points for added safety and security.

First, we have to talk about what makes the best door in the world; it has to be:

1 Non Warp

Even the very challenging doors, large doors, sliding doors, pivot doors, all can be professional SingCore warp-free guaranteed for 50 years. The secret of the best door makers in the world is that they can use the Sing solution as their door’s base material to create a warp-free door, which is the best solution to the problem of warping doors, especially large doors which would otherwise be extremely prone to warp.

2 Lightweight, high strength, insulated and Eco friendly

The strongest lightweight door in the world is made with Sing Core inside. This revolutionary Eco-friendly building material is based on patented technology that is the best of old wood craftsmen’s technology (torsion box) and new composite technology (recycled rigid foam insulation) fused with advanced adhesives and enhanced with patent pending non-warp stiffeners. The result is an extremely lightweight panel that can span distances without deflection that has not been accomplished before in any affordable manner.

3 Easy to Install

Even the largest strongest sound deadening door can be installed in half an hour. This 500 pound Sing pivot door panel measures 10 ft. tall x 12 ft. wide x 3.5 inch thick and took less than half an hour to install in the Seattle Center for Architecture and Design.

Then, we will explain how to build the perfect door, step-by-step, showing the pictures of the entire process (even the most complicated French door, sliding door, pivot door, exterior door, etc…) with all types of skins/surface material.

How to build a patented Sing French door

Here’s how it’s done: Purchase a Sing door panel decide on custom lite cutout design and hire a pre-hung door company or millwork to install lite, hardware, sand and finish, then deliver the resulting door to your job site or customer.

Photo Tutorial

How to create lite openings for glass installation

How to Get Sing Core to Build Your Best Door

  1. Know what you want
    1. Have at least an idea or drawing of what you want your best door to look like
    2. Determine how many and what size of panels you will need for your door project
    3. Know what exterior material you want on your door panels
  2. Decide how you will manufacture your project
    1. Seek out a professional
      1. Door Manufacturer, Architect, Designer, Design/Build, General Contractor, Mill Work, etc…
        1. Give them your drawing, specifying Sing Core inside
        2. They will deal directly with us
  3. Congratulations!
    1. You are the proud owner of the most advanced door in the world that is
      1. Eco-friendly
      2. Lightweight
      3. High-strength
      4. Insulated
      5. High-performance (non-warping true flat doors, walls, furniture, etc…)
      6. Will last longer than anything made with any other material with these benefits

Mini Large Door Gallery

The size of the average non-warp guaranteed Sing door is 9 to 14 ft tall and/or 6 to 8 ft wide.

How to build a hinged door – How to build a non warp hinge door – How to build a sliding door slab with glass – How to build a pivot door panel – How to build a flush door – How to build a carriage door

 

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Sing Panel Solid Edge Options

Sing Panel 4 ft x 8 ft x 1.5 inch with embedded solid wood edges

Here at Sing Core, we’re proud to be providing the Custom Sing Panel to the high end architects, millworks, designers, engineers, and contractors around the world. It is our sincere desire to see Sing Panel in use in all American industries and applications.

A Sing Panel has Sing Core inside and solid or closed edges. Enclosing and encapsulating patented Sing Core can take on a variety of forms depending on specifications, function, the useful purpose and high performance standards of your application. Many different options are available and there are no hard-and-fast rules. Or Sing Core true flat experts will be able to assist you in having the performance and connectivity options that you (or your clients) seek, meeting and likely exceeding expectations.

Edge-banding

Edge banding sing sandwich lightweight high strength honeycomb panelEdge-banding can take on many different forms. The first method, as when working with a standard Sing Sandwich with plywood surface, would be to use a similar strip of wood to match the surface material cut to the thickness of the panel, then gluing the strop to the exposed area and finish the edges to your specifications. You may use a material that does not match the surface as edge-banding materials are readily available in almost any material including nylon, plastic, aluminum and other composite materials. See also: T Molding

Interior Blocking

Interior blocking solid wood closed edge sing sandwich lightweight high strength honeycomb panelYou can use any solid material cut to size for interior blocking to seal the edge of your Sing Panel. In most cases, this is a slender piece of wood that can be used not only as an edge but for purposes of connecting hardware (perfect for using cam locks) or joining to other panels. The default material is a 1.5 inch solid wood edge that is evenly flush with the edges of the surface material.

T Slot Panel

Interior T slot closed edge sing t slot panel lightweight high strength honeycomb panelAdding T Slot stiles and/or rails to our patent-pending T Slot Panel is one of the most high precision methods used by our most exclusive industrial clients that enhances all the attributes of Sing Panels without compromising the most precise connection methods while taking advantage of all the readily available hardware options offered by the growing T slot industry.

U Channel

The U channel is an effective manner of closing the edge of a Sing Panel and it can be used in three alternative fashions depending on your intended application of your Sing Panel. Having three closed sides and one open side, the U Channel could be made of any material, like wood, plastic, aluminum, etc… and it can be embedded and pre-bonded into place when the panel is manufactured in any one of these ways.

1 End Cap Closure

U channel end cap closing sing sandwich lightweight high strength honeycomb panelEmbedding the U cannel to the exterior of the exposed edge seals the edge nicely. While this is quite common it is the method that leaves a slight lip that may or may not affect the end product. The other U channel methods leave smooth edges without a ridge.

2 Embedded Open Cavity

U channel inside open cavity sing sandwich lightweight high strength honeycomb panelEmbedded open cavity reverse U channel extruded aluminum closing the edge of sing panelUseful in many high tech designs, the embedded U channel with the cavity exposed can be elegant and useful when integrating your Sing Panel into your design. Possibilities about with the exposed cavity for running utilities, adding hardware, using as a track over rollers, and joining panels.

3 Embedded Closed Cavity

U channel embedded concealed cavity sing sandwich lightweight high strength honeycomb panelFor a sleek, smooth effect using an embedded U channel, embedded inside with the closed edge exposed is an excellent way to use your U channel. Certain advantages come with using this method, especially if your U channel is made of aluminum or steel for machining, etc…

Embedded Aluminum Square Tube

Embedded aluminum square tube sing sandwich lightweight high strength honeycomb panelLike the embedded closed-cavity U channel, extruded aluminum tubes in a square format (closed on all four sides) can also be embedded in your Sing Panel offering extra reinforcement and connection options.

Edge Fill

Edge fill closure sing sandwich lightweight high strength honeycomb panel Edges can be mildly routed out to your specifications and filled with any specified materials, like epoxy, to achieve the closed end results that you desire.

… And these are only some of the most popular ways of closing the edge of a Sing Panel.

 

 

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Sing Sandwich Closing the Edge

torsion box plywood cutaway sing core lowes home improvement warehouseHere at Sing Core, we’re proud to be providing the Sing Sandwich to the world thanks to your distributors and other sheet good and lumber suppliers across the USA. It is our sincere desire to see Sing Sandwich in use in all American homes.

Sing Sandwich has Sing Core exposed on the edge. This is normal and rudimentary for millworks and the high end developers that we work with day-in and day out. With exposed edges it is not uncommon for the average do it yourselfer to not have knowledge about how to close the edge of the Sing Sandwich, so for those we offer this simple guide to offer ideas of some of the ways the exposed edge can be closed or hidden when necessary for your project.

Edge-banding

Edge banding sing sandwich lightweight high strength honeycomb panelEdge-banding can take on many different forms. The first method, as when working with a standard Sing Sandwich with plywood surface, would be to use a similar strip of wood to match the surface material cut to the thickness of the panel, then gluing the strop to the exposed area and finish the edges to your specifications. You may use a material that does not match the surface as edge-banding materials are readily available in almost any material including nylon, plastic, aluminum and other composite materials.

Interior Blocking

Interior blocking solid wood closed edge sing sandwich lightweight high strength honeycomb panelYou can use any solid material cut to size for interior blocking to seal the edge of your Sing Sandwich. In most cases, this is a slender piece of wood that can be used not only as an edge but for purposes of connecting hardware or other panels. Simply router out the exposed Sing Core to the depth of your wood, clamp and glue as in traditional wood cabinetmaking.

U Channel

The U channel is an effective manner of closing the edge of a Sing Sandwich and it can be used in three alternative fashions depending on your intended application of your Sing Sandwich. Having three closed sides and one open side, the U Channel could be made of any material, like wood, plastic, aluminum, etc… and it can be bonded into place in any one of these ways.

1 End Cap Closure

U channel end cap closing sing sandwich lightweight high strength honeycomb panelGluing the U cannel to the exterior of the exposed edge seals the edge nicely. While this is quite common it is the method that leaves a slight lip that may or may not affect the end product. The other U channel methods leave smooth edges without a ridge.

2 Embedded Open Cavity

U channel inside open cavity sing sandwich lightweight high strength honeycomb panelUseful in many high tech designs, the embedded U channel with the cavity exposed can be elegant and useful when integrating your Sing Sandwich into your design. Possibilities about with the exposed cavity for running utilities, adding hardware and joining panels.

3 Embedded Closed Cavity

U channel embedded concealed cavity sing sandwich lightweight high strength honeycomb panelFor a sleek, smooth effect using an embedded U channel, bonding inside with the closed edge exposed is an excellent way to use your U channel. Certain advantages come with using this method, especially if your U channel is made of aluminum or steel for machining, etc…

Embedded Aluminum Square Tube

Embedded aluminum square tube sing sandwich lightweight high strength honeycomb panelLike the embedded, closed cavity U channel, extruded aluminum tubes in a square format (closed on all four sides) can also be embedded in your Sing Sandwich offering extra reinforcement and connection options.

Edge Fill

Edge fill closure sing sandwich lightweight high strength honeycomb panel Edges can be mildly routed out to your specifications and filled with any specified materials, like epoxy, to achieve the closed end results that you desire.

… And these are only some of the most popular ways of closing the edge of a Sing Sandwich.

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T Slot Manufacturers

T slot aluminum insulated torsion box panels in T1 or T3 exposed slots panel connectionFor years, Sing Panels have been connected by many different connection methods. One system has evolved to be the top of the line in high precision. insulated and lightweight wall panel that is stronger than steel pound-for-pound (660 PSI).

Sing T Slot Panels can be integrated with any T Slot design for all your T Slot hardware, connection methods and convenient high performance specifications.

Here are some of our favorite T Slot professionals:

T Slot Manufacturers

Patented Aluminum T Slot Panels Insulated Sound Deadening High Precision80/20 Inc.

Bosch Rexroth

Eagle Aluminum

Faztek

Futura Industries

National Extrusion & Mfg.

Parker Hannifin Corp

Sapa Extrusions America

Shanghai Meike Aluminum Products Co., Ltd.

TSI Solutions

 

Aluminum T Slot PanelsT Slot Suppliers

Alufab Inc.

Apex Industiral Supply

Engineered Aluminum Fabricators, Co.

F&L Industrial Solutions Extrusion Shop

Grainger

John Henry Foster

MiniTec Framing Systems

Pacific Integrated Handling

T Slots

 

T Slot Accessories

Amesbury Group

Fastenal Company

George H Seltzer & Co

T-Nutz

 



Imagine the Possibilities with T Slot
Compliments 80/20

 

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Standard Pre-hung French Door Specs

General Specifications

Standard insulated French door pre hung door marine grade plywood fiberglass aluminumStandard Sing Core pre-hung doors are manufactured with patented Sing Core material as the base interior substrate of the door. The Sing Core substrate material is created using a vertical grain natural wood torsion box design while the traditionally empty voids are filled wall to wall with recycled foam. The standard foam material is recycled rigid EPS foam. A 10 inch natural wood lock block is positioned centered at 37 inches for door knob and locking mechanism placement. The core material is wood framed by 1.5 inch natural wood for finishing strength and attaching hardware. The torsion box is completed by adhering an exterior surface material (skin) in your choice of marine grade plywood, fiberglass (FRP) or aluminum. Bonding agent used in adhesion of the entire composite material is formaldehyde-free.

Standard Sing Core Pre-hung Doors include frame perfectly suited for the door of your choice and ready to hang. Specify either 2×4 or 2×6 wall thickness to determine frame size for door installation.

Every Sing Core manufactured door is finished to specifications and guaranteed for 10 years for structural integrity.

Detailed Specifications:

Scope: Subject to local building codes, the standard Sing Core door is intended for use in:

  • Single family dwelling interior applications
  • Multifamily dwelling, low-rise professional office, library and low-rise motel interior applications
  • Lighter use industrial building and factory, hotel and retail sales building interior applications

Product Description: 1.5” or 2.25″ side-hinged door panel manufactured by Sing Core with frame, pre-hung.

  • Door component includes paint-grade door panel and frame for 2×4 or 2×6 wall installation

Door Panel Materials: Sing Core doors are manufactured using Eco-friendly cold-press process. Composite materials include:

  • Sing Core vertical wood-grain torsion substrate filled with recycled EPS foam
  • Core material is framed with wood stiles and rails
  • Facings are your choice of marine grade plywood (1/4 inch), 0.09 fiberglass (FRP) or aluminum (.62)
  • Formaldehyde-free bonding agent is used for adhesion of all components

Interior Blocking: Solid wood implant is inserted for door knob and/lock block hard points.

Glass Insert:

  • Single lite opening
  • Dual pane clear tempered glass insert
  • Glass dimensions: 32″ French door =  64-3/4″ x 18″,  34″ French door =  64-3/4″ x 20″,  36″ French door = 64-3/4″ x 22″

Pre-hung Includes:

  • Preassembling of jamb and threshold
  • Mortised and attached hinges
  • 3º bevel on lock side
  • Door is fit and installed into the jamb

Delivery: Reasonable care is taken to ensure safe transportation of your Sing Core door from factory to door shop for finishing and pick-up or deliver to your location.

Storage and Protection: Store your Sing Core door in an upright position and allow to acclimate to room temperature following shipment receipt or prior to finishing or installation.

Preparation: Per manufacturer’s specifications, ensure that door frame openings are constructed plumb, true and level prior to installation. Select fasteners of adequate type, number and quality to assure proper function.

Installation: Installer shall be specialized in the installation of the type of work that is associated with the project and will comply with manufacturer’s installation policies and procedures to ensure proper end use.

  • Verify that hinging and latching assemblies operate freely and correctly

Finishing: The standard finishing and sealing of the Sing Core pre-hung standard door includes Marine grade plywood is paint grade, fiberglass in pre-primed, and aluminum is untreated. Additional finishing options include your specifications at additional charge.

Machining: Sing Core doors are easy to work with in the millwork shop for CNC machining or on-site for finishing, sawing, sanding, cutting and fastening. No specialized skills or equipment is necessary, other than standard woodworking tools. Treat Sing Core doors just like you would any other standard door blank.

Strength Performance: Patented Sing Core has an unsurpassed strength as compared to other lightweight substrate materials tested at 660 PSI (based on 2″ x 2″ grids and 3/4″ thick) for superior structural integrity and is resistant to warp, twist and crack when compared to other materials.

Light Weight Performance: Sing Core weighs much less than other traditional building materials, as much as 50% less; or more, as little as 4 lbs. per sq. ft. yet sustainable and true green technology.

Insulation Performance: Standard Sing Core doors feature built-in insulation value with an R3 rating per inch.

Acoustical Performance: Sing Core standard doors have a natural sound-deadening quality for noise control. Standard sound transmission class (STC) is 30*.

Eco-friendly: Sing Core is manufactured using natural wood fibers, no formaldehyde, or toxic chemicals, is created using less energy than any other core material with little or no waste. The structure of Sing Core is 100% renewable (nature-grown) clean fiber and/or recycled material.

Warranty: Sing Core manufactured doors are structurally guaranteed for 50 years under normal conditions.

Basic Sing Door Spec Drawings: Click here

 

See also: Door Technical Information

Appearing regularly in Contemporary Architecture Design

 

* Note: STC rating varies according to size, thickness, skin, and other factors. Sing Core does not rate doors, although we are fortunate enough to have one of the best sound testing labs in the world, here in the Pacific Northwest. If you require a specific STC rating, Sing Core can build a door to your architectural specifications and have the resulting door tested at our rating facility for an official rating.

 

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Standard Pre-hung 6 Panel Door Specs

General Specifications

Standard insulated 6 panel door pre hung door marine grade plywood fiberglass aluminumStandard Sing Core pre-hung doors are manufactured with patented Sing Core material as the base interior substrate of the door. The Sing Core substrate material is created using a vertical grain natural wood torsion box design while the traditionally empty voids are filled wall to wall with recycled foam. The standard foam material is recycled rigid EPS foam. A 10 inch natural wood lock block is positioned centered at 37 inches for door knob and locking mechanism placement. The core material is wood framed by 1.5 inch natural wood for finishing strength and attaching hardware. The torsion box is completed by adhering an exterior surface material (skin) in your choice of marine grade plywood, fiberglass (FRP) or aluminum. Bonding agent used in adhesion of the entire composite material is formaldehyde-free.

Standard Sing Core Pre-hung Doors include frame perfectly suited for the door of your choice and ready to hang. Specify either 2×4 or 2×6 wall thickness to determine frame size for door installation.

Every Sing Core manufactured door is finished to specifications and guaranteed for 10 years for structural integrity.

Detailed Specifications:

Scope: Subject to local building codes, the standard Sing Core door is intended for use in:

  • Single family dwelling interior applications
  • Multifamily dwelling, low-rise professional office, library and low-rise motel interior applications
  • Lighter use industrial building and factory, hotel and retail sales building interior applications

Product Description: 1.5” or 2.25″ side-hinged door panel manufactured by Sing Core with frame, pre-hung.

  • Door component includes paint-grade door panel and frame for 2×4 or 2×6 wall installation

Door Panel Materials: Sing Core doors are manufactured using Eco-friendly cold-press process. Composite materials include:

  • Sing Core vertical wood-grain torsion substrate filled with recycled EPS foam
  • Core material is framed with wood stiles and rails
  • Facings are your choice of marine grade plywood (1/4 inch), 0.09 fiberglass (FRP) or aluminum (.62).
  • 6 true raised panels and trim are added to surface material without compromising strength or performance
  • Formaldehyde-free bonding agent is used for adhesion of all components

Interior Blocking: Solid wood implant is inserted for door knob and/lock block hard points.

Delivery: Reasonable care is taken to ensure safe transportation of your Sing Core door from factory to door shop for finishing and pick-up or deliver to your location.

Storage and Protection: Store your Sing Core door in an upright position and allow to acclimate to room temperature following shipment receipt or prior to finishing or installation.

Preparation: Per manufacturer’s specifications, ensure that door frame openings are constructed plumb, true and level prior to installation. Select fasteners of adequate type, number and quality to assure proper function.

Installation: Installer shall be specialized in the installation of the type of work that is associated with the project and will comply with manufacturer’s installation policies and procedures to ensure proper end use.

  • Verify that hinging and latching assemblies operate freely and correctly

Finishing: The standard finishing and sealing of the Sing Core pre-hung standard door includes Marine grade plywood is paint grade, fiberglass in pre-primed, and aluminum is untreated. Additional finishing options include your specifications at additional charge.

Machining: Sing Core doors are easy to work with in the millwork shop for CNC machining or on-site for finishing, sawing, sanding, cutting and fastening. No specialized skills or equipment is necessary, other than standard woodworking tools. Treat Sing Core doors just like you would any other standard door blank.

Strength Performance: Patented Sing Core has an unsurpassed strength as compared to other lightweight substrate materials tested at 660 PSI (based on 2″ x 2″ grids and 3/4″ thick) for superior structural integrity and is resistant to warp, twist and crack when compared to other materials.

Light Weight Performance: Sing Core weighs much less than other traditional building materials, as much as 50% less; or more, as little as 4 lbs. per sq. ft. yet sustainable and true green technology.

Insulation Performance: Standard Sing Core doors feature built-in insulation value with an R3 rating per inch.

Acoustical Performance: Sing Core standard doors have a natural sound-deadening quality for noise control. Standard sound transmission class (STC) is 30*.

Eco-friendly: Sing Core is manufactured using natural wood fibers, no formaldehyde, or toxic chemicals, is created using less energy than any other core material with little or no waste. The structure of Sing Core is 100% renewable (nature-grown) clean fiber and/or recycled material.

Warranty: Sing Core manufactured doors are structurally guaranteed for 10 years under normal conditions.

Basic Sing Door Spec Drawings: Click here

Door Specifications

Door Size
Actual Unit Size
Rough Opening Size
32″ x 80″ 33-3/4″ x 81-1/2″ 34-1/4″ x 82″
34″ x 80″ 35-3/4″ x 81-1/2″ 36-1/4″ x 82″
36″ x 80″ 37-3/4″ x 81-1/2″ 38-1/4″ x 82″

 

See also: Door Technical Information

Appearing regularly in Contemporary Architecture Design

* Note: STC rating varies according to size, thickness, skin, and other factors. Sing Core does not rate doors, although we are fortunate enough to have one of the best sound testing labs in the world, here in the Pacific Northwest. If you require a specific STC rating, Sing Core can build a door to your architectural specifications and have the resulting door tested at our rating facility for an official rating.

 

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Standard Pre-hung Flush Door Specs

General Specifications

Standard insulated flush door pre hung door marine grade plywood fiberglass aluminumStandard Sing Core pre-hung doors are manufactured with patented Sing Core material as the base interior substrate of the door. The Sing Core substrate material is created using a vertical grain natural wood torsion box design while the traditionally empty voids are filled wall to wall with recycled foam. The standard foam material is recycled rigid EPS foam. A 10 inch natural wood lock block is positioned centered at 37 inches for door knob and locking mechanism placement. The core material is wood framed by 1.5 inch natural wood for finishing strength and attaching hardware. The torsion box is completed by adhering an exterior surface material (skin) in your choice of marine grade plywood, fiberglass (FRP) or aluminum. Bonding agent used in adhesion of the entire composite material is formaldehyde-free.

Standard Sing Core Pre-hung Doors include frame perfectly suited for the door of your choice and ready to hang. Specify either 2×4 or 2×6 wall thickness to determine frame size for door installation.

Every Sing Core manufactured door is finished to specifications and guaranteed for 10 years for structural integrity.

Detailed Specifications:

Scope: Subject to local building codes, the standard Sing Core door is intended for use in:

  • Single family dwelling interior applications
  • Multifamily dwelling, low-rise professional office, library and low-rise motel interior applications
  • Lighter use industrial building and factory, hotel and retail sales building interior applications

Product Description: 1.5” or 2.25″ side-hinged door panel manufactured by Sing Core with frame, pre-hung.

  • Door component includes paint-grade door panel and frame for 2×4 or 2×6 wall installation

Door Panel Materials: Sing Core doors are manufactured using Eco-friendly cold-press process. Composite materials include:

  • Sing Core vertical wood-grain torsion substrate filled with recycled EPS foam
  • Core material is framed with wood stiles and rails
  • Facings are your choice of marine grade plywood (1/4 inch), 0.09 fiberglass (FRP) or aluminum (.62).
  • Formaldehyde-free bonding agent is used for adhesion of all components

Interior Blocking: Solid wood implant is inserted for door knob and/lock block hard points.

Delivery: Reasonable care is taken to ensure safe transportation of your Sing Core door from factory to door shop for finishing and pick-up or deliver to your location.

Storage and Protection: Store your Sing Core door in an upright position and allow to acclimate to room temperature following shipment receipt or prior to finishing or installation.

Preparation: Per manufacturer’s specifications, ensure that door frame openings are constructed plumb, true and level prior to installation. Select fasteners of adequate type, number and quality to assure proper function.

Installation: Installer shall be specialized in the installation of the type of work that is associated with the project and will comply with manufacturer’s installation policies and procedures to ensure proper end use.

  • Verify that hinging and latching assemblies operate freely and correctly

Finishing: The standard finishing and sealing of the Sing Core pre-hung standard door includes Marine grade plywood is paint grade, fiberglass in pre-primed, and aluminum is untreated. Additional finishing options include your specifications at additional charge.

Machining: Sing Core doors are easy to work with in the millwork shop for CNC machining or on-site for finishing, sawing, sanding, cutting and fastening. No specialized skills or equipment is necessary, other than standard woodworking tools. Treat Sing Core doors just like you would any other standard door blank.

Strength Performance: Patented Sing Core has an unsurpassed strength as compared to other lightweight substrate materials tested at 660 PSI (based on 2″ x 2″ grids and 3/4″ thick) for superior structural integrity and is resistant to warp, twist and crack when compared to other materials.

Light Weight Performance: Sing Core weighs much less than other traditional building materials, as much as 50% less; or more, as little as 4 lbs. per sq. ft. yet sustainable and true green technology.

Insulation Performance: Standard Sing Core doors feature built-in insulation value with an R3 rating per inch.

Acoustical Performance: Sing Core standard doors have a natural sound-deadening quality for noise control. Standard sound transmission class (STC) is 30*.

Eco-friendly: Sing Core is manufactured using natural wood fibers, no formaldehyde, or toxic chemicals, is created using less energy than any other core material with little or no waste. The structure of Sing Core is 100% renewable (nature-grown) clean fiber and/or recycled material.

Warranty: Sing Core manufactured doors are structurally guaranteed for 10 years under normal conditions.

Basic Sing Door Spec Drawings: Click here

Door Specifications

Door Size
Actual Unit Size
Rough Opening Size
32″ x 80″ 33-3/4″ x 81-1/2″ 34-1/4″ x 82″
34″ x 80″ 35-3/4″ x 81-1/2″ 36-1/4″ x 82″
36″ x 80″ 37-3/4″ x 81-1/2″ 38-1/4″ x 82″

 

See also: Door Technical Information

Appearing regularly in Contemporary Architecture Design

* Note: STC rating varies according to size, thickness, skin, and other factors. Sing Core does not rate doors, although we are fortunate enough to have one of the best sound testing labs in the world, here in the Pacific Northwest. If you require a specific STC rating, Sing Core can build a door to your architectural specifications and have the resulting door tested at our rating facility for an official rating.

 

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Sing Reinforced Structural Insulated Panels Specs

SING REINFORCED STRUCTURAL INSULATED PANELS

PART 1 – GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes patented Sing Reinforced Structural Insulated Panels (SRSIP).

B. Related Sections include the following:

1. Rough Carpentry
2. Timber Framing

1.3 PERFORMANCE REQUIREMENTS

A. Structural Performance: Provide SRSIPs capable of withstanding design loads including dead load, live loads, wind loads and seismic loads. Design loads shall be in compliance with the requirements of the local Building Code.

1.4 SUBMITTALS

A. Product Data: SRSIP manufacturer’s product literature including structural properties and installation instructions.

B. Shop Drawings: Show fully dimensioned fabrication and installation details for SRSIPs. Shop drawings shall be prepared under the supervision of a Professional Engineer.

C. Evaluation report.

1.5 QUALITY ASSURANCE

A. SRSIP Manufacturer shall be a manufacture licensed by patent holder.

B. Structural Design: A Professional Engineer shall perform a structural analysis and design of the SRSIP assemblies in accordance with the design loads.

C. Installation Contractor must have experience on projects of similar size and scope. Lead installer / supervisor shall have a minimum of 3 years experience installing SRSIPs or have completed a certifying curriculum at a dedicated SRSIP training program such as those provided by Lightweight University or equivalent.

1.6 DELIVERY, STORAGE, AND HANDLING

A. SRSIPs shall be kept dry and protected with waterproof covering during transportation and storage.

B. Exercise care to prevent crushing of SRSIP edges with cargo hold down straps during transportation.

C. Carefully load and unload SRSIPs from trucks to prevent damage to the panels.

D. Store SRSIPs elevated off of the ground on sleepers.

E. Take care in handling SRSIPs to prevent delamination. Do not lift panels by the top skin.

1.7 COORDINATION

A. Time delivery and installation of SRSIPs to avoid extended on-site storage and to avoid delaying progress of other trades whose work must follow the installation of SRSIPs.

PART 2 – PRODUCTS

2.1 SING REINFORCED STRUCTURAL INSULATED PANELS (SRSIP)

A. Oriented Strand Board (OSB): 7/16” thick minimum.

B. Core: [Expanded Polystyrene (EPS) shall comply with ASTM C578 and shall have a minimum density of 0.9. pcf.] [polyurethane foam core] [extruded polystyrene (XPS) shall comply with ASTM C578 and shall have a minimum density of 1.3 pcf]

C. Adhesive: Formaldehyde-free waterproof adhesive

2.2 LUMBER

A. Grade and Species: Visually graded dimension lumber No. 2 or better of any of the following species:

1. Spruce-Pine-Fir; NLGA
2. Hem-Fir (North); WCLIB or WWPA
3. Douglas Fir – Larch; WCLIB or WWPA
4. Southern Pine; SPIB

B. Lumber shall be kiln dried to not more than 19% moisture content

C. Lumber shall be clearly marked with grade stamp of grading agency.

D. Engineered wood products shall be used where required for structural adequacy.

1. Laminated Veneer Lumber (LVL)
2. Parallel Strand Lumber (LSL)
3. Laminated Strand Lumber (LSL)

2.3 FASTENERS

A. Cam Locks.

B. Panel Screws.

C: Adhesives.

2.4 FABRICATION

A. Cut SRSIPs to accurate lengths, angles, and sizes to produce close fitting joints.

B. Remove foam as required to accommodate wood blocking and splines.

C. Provide electrical wiring chases in foam core where required.

PART 3 – EXECUTION

3.1 PREPARATION

A. Examine foundations, sills, framing and other surfaces to receive SRSIPs and verify that conditions are suitable for the installation of SRSIPs. Report any unsatisfactory conditions to the Contractor. Do not proceed with installation until unsatisfactory conditions have been corrected.

3.2 INSTALLATION

A. Hoist SRSIPs in place by lifting equipment suited to size of panels. Exercise care to prevent damage to SRSIPs.

B. Install SRSIPs plumb, square and true to line.

C. Fill all panel joints with expanding urethane foam or seal by other approved method.

D. Repair or replace all damaged SRSIPs.

E. Remove debris from project site and legally dispose of debris.

END OF SECTION