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What to Expect from Sing Core

What can I expect to receive when I order Sing products?

Sing Core only ships authentic Sing products to millworks and door manufacturers. Why? Because Sing products are raw building materials in unfinished condition. You cannot order a completed Sing door from Sing Core. Even though we are renowned the world over for the best doors, our web site clearly states,

“We do not build doors,” we only supply the best millworks and door manufacturers with the best professional door slabs which can be guaranteed not to warp, bend, twist, or otherwise fail for 50 years.

See also, What We Do: http://singcore.com/education/what-we-do

Don’t you have a standard Sing door?

No. Every custom door we build is like a one-of-a-kind work of art, though we are able to build many of the same type/style/size of doors at the same time, which can reduce pricing if purchased in bulk.

Don’t you want to make Sing Core available to the world?

Yes, we do, but remember, Sing Core is shipped in an unfinished condition and therefor is not ready for public consumption. It would be similar to ordering a 20×40 concrete slab, then being upset when the concrete truck shows up because you wanted a completed slab, not wet concrete. (The contractor knows what’s going on, but it might be a shock to the contractor’s customer.)

Isn’t Sing Core available in retail locations, like Lowe’s?

Yes, and no. We only ship to locations which have a full millwork shop inside to adequately finish the Sing products for their clientele. If the retailer does not have a full millwork shop for finishing Sing products, we will not intentionally ship unfinished product to that location.

What if I’m a contractor and my client wants Sing Core?

No problem, we will ship directly to your millwork, or the finisher of your choice. Once the Sing products have been finished, they can be installed by your installers.

How does architectural specification affect our bid?

If you’re a contractor bidding on a project where Sing Core has been specified, note that your quote from Sing Core is for unfinished materials. For instance, if a 20 ft x 10 ft x 4 in pivot door with birch wood stave has been architecturally specified, you will only receive the unfinished door slab with the appropriate interior supports for the hardware specified. You will still need to have the slab finished and prepped for hardware by your millwork, you will also need to source and price hardware, and account for framing and installation to complete the job.

What if my warp-free products show up warped?

Professional millwork companies know it is common for panels to display some warp when unpacked due to being crated and transported. It is the nature of raw materials which are packed, and traverse varying climate conditions while being shipped. Acclimatization of Sing products (separating them, standing them on edge for 72 hours, and allowing them to acclimate to your climate will allow the products to return to their true flat condition).

What if my Sing products are defective?

In the event that your professional Sing panels are warped beyond AWI standards, or the architectural standards as notated by your work order, you may have a defective Sing panel. Working with our warranty department will help to determine if you have a defective sing panel. If so, Sing Core will fix, repair, or replace the defective panel to assure its architectural integrity.

Know What You’re Getting

We at Sing Core want you to know what you’re getting, wo that you can be prepared to enjoy the best Eco-friendly lightweight/high strength raw building material available and achieve its maximum potential and elegance.

For more information, see our Frequently Asked Questions: http://singcore.com/education/faq

Sing Core Definition of Terms: http://singcore.com/education/sing-core-definition-terms

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AWI Members Large Door Solution

When you’re dealing with high end large doors, long conference tables and oversized casework, you need to deal with a reputable millwork company who is highly qualified and well versed in many Architectural Woodwork Standards which help to create high precision products. Being a member of the Architectural Woodwork Institute (AWI) is an excellent way to assure the woodworking professionals you are working with are knowledgeable and proficient in their woodworking capabilities.

The highest quality standard endorsed by the AWI is Premium, yet some clients have much higher performance and expectations which raise the architectural standards across the board. The architect is faced with specifying the standards the client desires, which may far exceed AWI Premium standards.

One such common request includes high performance expectations for components which AWI maintains low expectations.

For instance, if the client’s desire is to have a 12 foot tall wood pivot door with little or no deflection or door warp, there is no matching AWI standard. The standard for allowable deflection in a 7 foot tall door including warp, bow, cup, or twist is 1/4 inch. There exists no official standard for doors over 7 feet tall, and millworks and door companies are likely to require a signed waiver from the client signing-off on any expectations of warranty on any greater than 7 foot tall doors.

Even though 1/4 inch warp is recognized as a reasonable amount of deflection and allowable by AWI standards, in some cases the expectations of the client still remains. The architect specifies the desires of the client and it is up to the millwork company or door manufacturer to determine how it might be possible to create an enormous warp-free door of any size.

Fortunately, AWI members can reach out to AWI suppliers, like SingCore, who specialize in helping to design and create warp-free doors of any size, type or style.

The true-flat experts at SingCore are extremely proficient in creating warp-free panels of any size which can be structurally guaranteed not to fail or warp for 50 years. So, if the rest of the job is guaranteed for 10 years by the millwork conducting the work, then offering to warranty the entire job – including the large oversized doors – then becomes reasonable.

Prior to coming to SingCore one door company simply stated, “All large doors warp and cannot be guaranteed under any circumstances.” Now, thanks to utilizing the services of certified warp-free SingCore doors, the company can deliver the results according to the architectural specifications and expectations of the customer.

Not simply restricted to doors, the ability of SingCore to provide extremely flat large surfaces of any material that can be guaranteed to remain flat over time spills over into many other products and services.

Common surface materials include any available natural wood species, aluminum, brass, concrete, cold rolled steel, fiberglass, FRP, glass, hot rolled steel, HPL, Kevlar, LVL, MDF, stainless steel, veneer or any other commercially available flat material.

SingCore is increasingly being architecturally specified as the standalone solution for many large exterior projects where particular components are exposed to the elements as well as interior woodwork, panel work, partition work, casework and fixtures as supplied or manufactured for all types of buildings across many industries including retail, commercial, hospitality, industrial and high end residential industries.

You might be surprised to discover how more and more architects are specifying SingCore in their woodworking, metal, laminates, plastics, fabrics, design work, finishing and installation.

AWI members know if they are faced with a problematic large oversize project with challenges associated with insulation, weight, strength, high precision or high performance, reaching out and suggesting,

“SingCore Inside”

Is the only solution which can be guaranteed for 50 years.

“This is why we like working with AWI members,” says CEO and inventor of SingCore, Peter Sing, “They know how to work with our solution to their challenges.”

For more information, contact SingCore or AWI.

singcore-logo

Hot Rolled Steel Large Sliding Doors

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48 Million Dollar Estate

This luxurious former James Woods $48 Million dollar estate in the hills of Beverly Hills is an example of the kind of home which features the Sing door solution. While featuring art by Picasso and Warhol, the art pieces are not included in Hilton & Hyland’s asking price.

1520-gilcrest-dr-beverly-hills-ca-california-90210-sing-core-doors

Located at 1520 Gilcrest Dr Beverly Hills, CA 90210, this a Single family located in Beverly Crest, CA, in Los Angeles county the doors are large in size and may have electronic controlled operation which makes the lightweight and high strength of SingCore the perfect match for high precision and longevity throughout the life of a project as glamorous as this one.

Designed to impress, this newly built 15,000 square-foot modernist home certainly stands out from the crowd with it’s 210-foot infinity edge pool, art gallery, 22-person home theater, wine room and outdoor entertaining pavilion. Along with that comes six bedrooms, ten bathrooms, a spectacular guest house, all the furnishings and three fully stocked bars.

You will see this home featured in the media including this article in the Wall Street Journal and featured on Houzz thanks to the experts working on the project including Bonura Building Inc. – Architects and General Contractors.

Existing 5,000 sq. ft. Craftsman remodeled and added an additional 10,000 sq. ft. of master suite/family/theater and guest house, plus Gazebo.

1520 Gilcrest Drive, Beverly Hills from Abode Entertainment on Vimeo.

For more information, see:

http://www.1520gilcrest.com/

http://www.houzz.com/projects/1982894/gilcrest

http://la.curbed.com/2016/7/27/12287648/beverly-hills-mansion-picasso-warhol

http://www.wsj.com/articles/beverly-hills-spec-house-asks-48-million-1469464710

https://www.facebook.com/Bonura-Building-Inc-Architects-and-General-Contractors-175093799195825/

 

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Basic Sing Door Spec Drawings

The following are standard drawings of doors which you can print and/or modify for marking up your specifications as an alternative to paying for professional shop drawings.

Hinged Door

Pivot Door

Sliding Door

Splined Door

Doors with Professional Sing Core inside are the only Eco-friendly doors that can be guaranteed to remain warp-free for 50 years, including full structure warranty.

Thank you for trusting Sing Core with all your lightweight high-strength door needs for any type or style of door in any size made of any flat building material.

 

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Sing Panels with Plumbing and Wire Chase

sing-panel-horizontal-embedded-cable-chase-wire-chase-plumbing-chaseCustom Sing Panels can be manufactured to your architectural specifications which may include special chases for plumbers to route hot and cold water feeds via plumbing or electricians to run electrical wiring, communications and security through a patented Sing panel.

Surface mount conduit and exterior chases can be added to Sing panels as they are, though many users of our patented insulation reinforced torsion box core prefer to use embedded wiring chase of for water supply pre-installed plumbing chase.

Embedded Chases

Embedded chases can be placed at specified locations prior to manufacturing your Sing panel to meet the specific requirement of the job at hand, accommodating communications center needs or the special needs of inplant offices, clean rooms, temporary warehousing, watch towers, guard shacks, portable classrooms, spa expansions, home theaters or any application where running utilities, like electricity, wiring and/or cables or plumbing inside and through your Sing panel may be advantageous.

Common horizontal chases are specified at 16 inches and 45 inches from the base, while the most common location for a vertical chase is in the center of the Sing panel. Regardless, every Sing panel is custom manufactured in our factory, and we can have your wire chase or plumbing pre-installed within your panels at any location specified.

How to Specify Wire Chase Locations

sing-panel-embedded-cable-chase-wire-chase-plumbing-chaseIt is easy to have your embedded chases pre-installed at the proper locations. All you have to do is to be certain to disclose the precise locations and sizes of your wire chase (plumbing chase or cable chase). We will provide you with an architectural drawing of your panel before your custom Sing panel is built for you to confirm the chase’s location.

No Loss of R Value

To preserve the R-value of your Sing panel it is advisable to have the cable chase filled with spray foam insulation after pulling the wires or routing the plumbing through the embedded channels. Likewise, if a channel is not used, it should also be filled with foam insulation prior to final assembly, unless insulation properties are not necessary for your application.

Panel Chase Options

Although many options abound for electricians and plumbers to install access to services, another popular method includes running cable, wire and plumbing through panel connectors that run the length of your standard Sing panels, or alternatively running services through the floor.

Many creative options are available for adding access to water, electricity and communications without having the necessity of pre-installed chases being embedded in your Sing panels.

 

 

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Large Cold Rolled Steel Pivot Door Specifications

General Specifications

 

Standard Sing Core Cold Rolled Steel Pivot Door Blanks 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 foam material is available in various forms depending on your specification. The default is recycled EPS foam. Natural wood lock blocks can be positioned at locations as necessary for locking mechanism placement and/or as pivot hardware anchor points. The core material is framed by 1.25-inch wood stiles and rails for finishing strength and attaching hardware. The torsion box is completed by adhering 20 gauge cold rolled steel as exterior material (skin) according to your specifications.

Cold Rolled Steel Pivot Door Surface Material

The door blank surface material is made of 20 gauge cold rolled steel unless otherwise specified. Bonding agent used in adhesion of the entire composite material is formaldehyde-free.

Click here for tips on How to Create the Right Sing Panel for your specific project.

Every Sing Core manufactured door blank is unfinished (unless specified otherwise) and professional grade is guaranteed for 50 years for warp-free and structural integrity.

Detailed Specifications:

Scope: Subject to local building codes, the standard Sing Core pivot door blank 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

 

Cold Rolled Steel Pivot Door Materials: Sing Core cold rolled steel door blanks 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 solid wood stiles and rails
  • Facings are 20 gauge cold rolled steel
  • Formaldehyde-free bonding agent is used for adhesion of all components

Architectural Specifications Substitutes

For information on some of our architectural substitutes click here.

Interior Blocking: Solid wood implants can be inserted as lock blocks or anchor points. Also additional stiles (vertical wood implants) or rails (horizontal wood implants) can be positioned at any desired location inside the cold rolled steel pivot door. (Note: Depending on your expectations, solid wood implants should be supported by at least 12 inches of Sing Core material to maintain true flatness.)

Delivery: Reasonable care is taken to ensure safe transportation of your Sing Core large cold rolled steel pivot door from factory to your location including proper crating to protect the natural beauty of your cold rolled steel doors during transport.

Storage and Protection: Store your Sing Core large cold rolled steel pivot doors 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 openings or attachment walls 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 attachment, hinging and latching assemblies operate freely and correctly

Finishing: The finishing of the Sing Core large cold rolled steel pivot doors are the responsibility of the client due to the product being delivered in unfinished condition unless specified otherwise in writing for use in interior applications only. Any exterior use must be approved in advance to avoid warranty exception and sealing must be in accordance with manufacturer’s specifications to protect against a variety of environmental conditions as necessary. In reference to exterior applications:

  • Seal all 6 surfaces with two coat minimum on operable panel(s)
  • Finishing or re-finishing must be completed following acclimatization and installed within 7 days
  • Avoid finishing after rain (or damp) or during periods of higher than average humidity
  • At least once a year, conduct periodic inspections of coating to ensure no wall panel components are exposed
  • Reseal the surface as necessary

Machining: Sing Core large cold rolled steel pivot doors are easy to work with in the metal shop for machining or on-site for finishing, and fastening.

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 door pivot blanks feature built-in insulation value with an R3 (can be upgraded to to R6.5 or more) rating per inch, depending on architect’s specifications.

Acoustical Performance: Sing Core standard pivot door blanks have a natural sound-deadening quality for noise control. Standard sound transmission class (STC) is 30*. Additional noise control specifications can be met at the behest of the customer or designer and must be noted in advance.

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 wood fiber and/or recycled material.

Warranty: Sing Core pivot door blanks come with a 10-year warranty, while professional manufactured pivot door blanks can be structurally guaranteed and warp-free for 50 years under normal conditions.

Basic Sing Door Spec Drawings: Click here

variety-of-design-options-for-architectural-doors-illistration-sing-core
Custom-cut Window/Lite Openings: Lite openings for glass inserts can be custom cut per your specifications (drawings above show examples of standard openings) for glass insertion.

Door Specifications
Door Width
Rough Opening Width
Rough Opening Height 6/8
2/0 (Single) 26″ 82-1/2″
2/4 (Single) 30″ 82-1/2″
2/6 (Single) 32″ 82-1/2″
2/8 (Single) 34″ 82-1/2″
3/0 (Single) 38″ 82-1/2″
4/0 (Double) *50″ 82-1/2″
4/8 (Double) *58″ 82-1/2″
5/0 (Double) *62″ 82-1/2″
5/4 (Double) *66″ 82-1/2″
6/0 (Doulble) *74″ 82-1/2″

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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Large Cold Rolled Steel Sliding Door Specifications

General Specifications

 

Standard Sing Core Cold Rolled Steel Sliding Door Blanks 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 foam material is available in various forms depending on your specification. The default is recycled EPS foam. Natural wood lock blocks can be positioned at locations as necessary for locking mechanism placement and/or as sliding hardware anchor points. The core material is framed by 1.25-inch wood stiles and rails for finishing strength and attaching hardware. The torsion box is completed by adhering 20 gauge cold rolled steel as exterior material (skin) according to your specifications.

Cold Rolled Steel Sliding Door Surface Material

The door blank surface material is made of 20 gauge cold rolled steel unless otherwise specified. Bonding agent used in adhesion of the entire composite material is formaldehyde-free.

Click here for tips on How to Create the Right Sing Panel for your specific project.

Every Sing Core manufactured door blank is unfinished (unless specified otherwise) and professional grade is guaranteed for 50 years for warp-free and structural integrity.

Detailed Specifications:

Scope: Subject to local building codes, the standard Sing Core sliding door blank 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

 

Cold Rolled Steel Sliding Door Materials: Sing Core cold rolled steel door blanks 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 solid wood stiles and rails
  • Facings are 20 gauge cold rolled steel
  • Formaldehyde-free bonding agent is used for adhesion of all components

Architectural Specifications Substitutes

For information on some of our architectural substitutes click here.

Interior Blocking: Solid wood implants can be inserted as lock blocks or anchor points. Also additional stiles (vertical wood implants) or rails (horizontal wood implants) can be positioned at any desired location inside the cold rolled steel sliding door. (Note: Depending on your expectations, solid wood implants should be supported by at least 12 inches of Sing Core material to maintain true flatness.)

Delivery: Reasonable care is taken to ensure safe transportation of your Sing Core large cold rolled steel sliding door from factory to your location including proper crating to protect the natural beauty of your cold rolled steel doors during transport.

Storage and Protection: Store your Sing Core large cold rolled steel sliding doors 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 openings or attachment walls 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 attachment, hinging and latching assemblies operate freely and correctly

Finishing: The finishing of the Sing Core large cold rolled steel sliding doors are the responsibility of the client due to the product being delivered in unfinished condition unless specified otherwise in writing for use in interior applications only. Any exterior use must be approved in advance to avoid warranty exception and sealing must be in accordance with manufacturer’s specifications to protect against a variety of environmental conditions as necessary. In reference to exterior applications:

  • Seal all 6 surfaces with two coat minimum on operable panel(s)
  • Finishing or re-finishing must be completed following acclimatization and installed within 7 days
  • Avoid finishing after rain (or damp) or during periods of higher than average humidity
  • At least once a year, conduct periodic inspections of coating to ensure no wall panel components are exposed
  • Reseal the surface as necessary

Machining: Sing Core large cold rolled steel sliding doors are easy to work with in the metal shop for machining or on-site for finishing, and fastening.

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 sliding door blanks feature built-in insulation value with an R3 (can be upgraded to to R6.5 or more) rating per inch, depending on architect’s specifications.

Acoustical Performance: Sing Core standard sliding door blanks have a natural sound-deadening quality for noise control. Standard sound transmission class (STC) is 30*. Additional noise control specifications can be met at the behest of the customer or designer and must be noted in advance.

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 wood fiber and/or recycled material.

Warranty: Sing Core sliding door blanks come with a 10-year warranty, while professional manufactured sliding door blanks can be structurally guaranteed and warp-free for 50 years under normal conditions.

Basic Sing Door Spec Drawings: Click here

variety-of-design-options-for-architectural-doors-illistration-sing-core
Custom-cut Window/Lite Openings: Lite openings for glass inserts can be custom cut per your specifications (drawings above show examples of standard openings) for glass insertion.

Door Specifications
Door Width
Rough Opening Width
Rough Opening Height 6/8
2/0 (Single) 26″ 82-1/2″
2/4 (Single) 30″ 82-1/2″
2/6 (Single) 32″ 82-1/2″
2/8 (Single) 34″ 82-1/2″
3/0 (Single) 38″ 82-1/2″
4/0 (Double) *50″ 82-1/2″
4/8 (Double) *58″ 82-1/2″
5/0 (Double) *62″ 82-1/2″
5/4 (Double) *66″ 82-1/2″
6/0 (Doulble) *74″ 82-1/2″

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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Large Cold Rolled Steel Sliding Door with Man Door Specifications

General Specifications

 

Standard Sing Core Cold Rolled Steel Sliding Door Blanks 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 foam material is available in various forms depending on your specification. The default is recycled EPS foam. Natural wood lock blocks can be positioned at locations as necessary for locking mechanism placement and/or as sliding hardware anchor points. The core material is framed by 1.25-inch wood stiles and rails for finishing strength and attaching hardware. The torsion box is completed by adhering 20 gauge cold rolled steel as exterior material (skin) according to your specifications. The man door opening is cut out to architectural specifications.

Cold Rolled Steel Sliding Door Surface Material

The door blank surface material is made of 20 gauge cold rolled steel unless otherwise specified. Bonding agent used in adhesion of the entire composite material is formaldehyde-free.

Click here for tips on How to Create the Right Sing Panel for your specific project.

Every Sing Core manufactured door blank is unfinished (unless specified otherwise) and professional grade is guaranteed for 50 years for warp-free and structural integrity.

Detailed Specifications:

Scope: Subject to local building codes, the standard Sing Core sliding door blank 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

 

Cold Rolled Steel Sliding Door Materials: Sing Core cold rolled steel door blanks 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 solid wood stiles and rails
  • Facings are 20 gauge cold rolled steel
  • Formaldehyde-free bonding agent is used for adhesion of all components

Man Door Component: The man door leaf is created to specifications to match the large cold rolled steel sliding door and is to be fitted inside the opening in the large sliding door panel. In this case, 20 g cold rolled steel with 1.25 embedded solid wood frame and lock blocks on either side of the man door.

Architectural Specifications Substitutes

For information on some of our architectural substitutes click here.

Interior Blocking: Solid wood implants can be inserted as lock blocks or anchor points. Also additional stiles (vertical wood implants) or rails (horizontal wood implants) can be positioned at any desired location inside the cold rolled steel sliding door and man door leaf. (Note: Depending on your expectations, solid wood implants should be supported by at least 12 inches of Sing Core material to maintain true flatness.)

Delivery: Reasonable care is taken to ensure safe transportation of your Sing Core large cold rolled steel sliding door with man door from factory to your location including proper crating to protect the natural beauty of your cold rolled steel doors during transport.

Storage and Protection: Store your Sing Core large cold rolled steel sliding doors 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 openings or attachment walls 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 attachment, hinging and latching assemblies operate freely and correctly

Finishing: The finishing of the Sing Core large cold rolled steel sliding doors and man doors are the responsibility of the client due to the product being delivered in unfinished condition unless specified otherwise in writing for use in interior applications only. Any exterior use must be approved in advance to avoid warranty exception and sealing must be in accordance with manufacturer’s specifications to protect against a variety of environmental conditions as necessary. In reference to exterior applications:

  • Seal all 6 surfaces with two coat minimum on operable panel(s)
  • Finishing or re-finishing must be completed following acclimatization and installed within 7 days
  • Avoid finishing after rain (or damp) or during periods of higher than average humidity
  • At least once a year, conduct periodic inspections of coating to ensure no wall panel components are exposed
  • Reseal the surface as necessary

Machining: Sing Core large cold rolled steel sliding doors are easy to work with in the metal shop for machining or on-site for finishing, and fastening.

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 sliding door blanks feature built-in insulation value with an R3 (can be upgraded to to R6.5 or more) rating per inch, depending on architect’s specifications.

Acoustical Performance: Sing Core standard sliding door blanks have a natural sound-deadening quality for noise control. Standard sound transmission class (STC) is 30. Additional noise control specifications can be met at the behest of the customer or designer and must be noted in advance.

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 wood fiber and/or recycled material.

Warranty: Sing Core sliding door blanks come with a 10-year warranty, while professional manufactured sliding door blanks can be structurally guaranteed and warp-free for 50 years under normal conditions.

Basic Sing Door Spec Drawings: Click here

variety-of-design-options-for-architectural-doors-illistration-sing-core
Custom-cut Window/Lite Openings: Lite openings for glass inserts can be custom cut per your specifications (drawings above show examples of standard openings) for glass insertion.

Door Specifications
Door Width
Rough Opening Width
Rough Opening Height 6/8
2/0 (Single) 26″ 82-1/2″
2/4 (Single) 30″ 82-1/2″
2/6 (Single) 32″ 82-1/2″
2/8 (Single) 34″ 82-1/2″
3/0 (Single) 38″ 82-1/2″
4/0 (Double) *50″ 82-1/2″
4/8 (Double) *58″ 82-1/2″
5/0 (Double) *62″ 82-1/2″
5/4 (Double) *66″ 82-1/2″
6/0 (Doulble) *74″ 82-1/2″

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.