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New Problem-solving Door-building Technologies

No other company has come to the rescue with 50-year warp-free guaranteed results utilizing such an array of patented and patent-pending new problem-solving door-building technologies as Sing Core.

Rarely does a month go by where some large door project is presented to Sing Core’s True Flat Team bringing to the table a challenge which has never been seen before. Immediately, the team gets into the lab to find a solution that solves the problems associated with the project at hand.

Since this expectation has not been met previously, there may be not existing protocol for addressing such an issue, and there may never be, but inventor Peter Sing tackles the problem exerting a great deal of effort and ingenuity based on his previous problem-solving methods, that may well result in another patented solution.

That’s why architects, door engineers, manufacturers, and millworks refer those tough, seemingly impossible door jobs to Sing Core. Because you not only want the job done right but you want the resulting door to last a lifetime or longer.

This is where Sing and his crack team of engineers with years of experience making the impossible possible comes in handy.

Thin Framed French Doors

For instance, let’s say you wanted to build a 20 ft. tall pivoting French door with only a three-inch wooden frame on the top and sides. Sing’s True Flat Team would answer, “We’ve addressed that problem before, and the French door’s frame must be at least five inches on those three sides, or it will not qualify for warranty.”

But the architect maintains that any correction in door frame width cannot be changed and has faith in Sing Core’s ability to come through in these unusual circumstances. Faced with such a challenge, Sing’s team does not give up. They go back to the drawing board to see if any of their previously collected data in combination with any latest development and/or patents can address this issue. And if not, ponders the question,

“Is there some new method that can fix the problem?”

If so, not only will there be a new way to solve this issue, but there is probably going to be a new, patented process in the works. And the next time someone brings a challenge door to Sing Core, the response will be,

“Hey, no problem. We’ve done that before.”

This is a common problem-solving occurrence taking place regularly at Sing Core, building an incredible degree of confidence between Sing Core and their high-end clientele. They know that they can trust Sing Core to do it, if there is any way possible to do it. That’s why they say,

“It’s the only way to do it.”

And while there might be a way to create a door that looks spectacular and fills the desired opening, what do you think happens not long after installation? You guessed it: Failure. Failure from warping, bending, twisting, cupping, or delamination, etc. Not so, if your door has patented and patent-pending Sing Core solutions inside.

They may be invisible to the naked eye but hidden inside these unbelievably incredible super large one-of-a-kind unique doors, Sing technology makes all the difference in the world.

Curved Doors

Another interesting problem that comes up is curved doors, where the curvature of the door must match a curved wall where the new curved door will be installed.

You might think that due to Sing Core’s reputation for spanning large distances while remaining incredibly straight and true that you would assume this not to be a perfect material to create curved doors. Right? Wrong.

Sing Core can be modified to bend to any exact curvature, and once set in place will never misshapen or move and thereby can also be covered by Sing’s 50-year Warp-free Guarantee. It’s that picket fence of patented and patent-pending Sing Core solutions that are making these doors the talk of the town.

These, thin wood framed large French doors and custom curved doors, are just two examples of Sing Core rising to the occasion to make the impossible doors possible, and not only that, but your finished door can also be guaranteed not to warp, bend, twist, cup, or otherwise fail for 50 years. No other method of building a large, oversized door can offer such a guarantee.

 

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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 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.