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Wholesale Large Door Alternatives for the Best Door Manufacturers

The best door distributers represent the best in trusted door manufacturers across America for high confidence and superior door manufacturing ethics which translate to high quality and performance standards for upholding your credibility and professional ability to deliver only the best doors for your clientele.

What About Large Doors?

If you are like other distributors of the top selling doors from companies like VT Industries, you are getting some of the most coveted door jobs in your area of expertise. That is, for everything within the standard door size-range. Large doors are another thing altogether.

Large Doors

Large doors in your door schedule are going to be a problem. First off, your regular door supplier does not carry them, doesn’t want to build them, and doesn’t want you to sell them.

Why?

Because large doors fail. Even in the best of circumstances, with all the talent and expertise in making and installing millions of standard-sized doors, your supplier is unable to provide you with a door that will not fail after installation if its dimensions exceed 4×8.

Any door over 4×8 is going to present your valued client with problems. This is why large oversized doors are excluded from your standard warranty which covers the rest of the door schedule, because everyone knows that a large door will warp if it is over 4×8.

Where Does Your Door Supplier Go for Large Doors?

Every once and a while your door manufacturer takes on a large door job, which may include hundreds of standard-sized doors and a few large pivot doors, large sliding doors, or large hinge doors. What then? They don’t want to lose the job due to only a few large doors.  

So, what do they do?

The biggest and best door manufacturers in the world know there is only one trusted door manufacturer in the world that can make a large door that will not warp, bend, twist, cup, or otherwise fail, and that is Sing Core.

Sing Core Warp-free Large Oversized Doors

Enter Sing Core, the only large architectural door manufacturer in the United States who can build a large oversized door of any type or style that can build a large door of any material specified by your architect that can be lightweight, high strength, fully insulated, and can be guaranteed warp-free, not to fail, including a full structure warranty for fifty years.

Made in the USA

Sing Core doors are sustainable Eco-friendly doors which are proudly made by hand using safe domestic materials via our patented manufacturing methods using less energy, with very little waste, and a highly honorable respect for managing the best of nature’s materials and recycled materials for long almost service-free long life now and for generations to come.

Sing Core Door Characteristics

Besides being lightweight, warp-free, and stronger than steel pound for pound, Sing Core Eco-friendly doors bring many other high-end attributes to the end product which will be enjoyed by your clientele for years to come, adding even more value to your Sing Core door.

Some of the advantages of having a Sing Core door include being fully insulated for climate control and sound deadening qualities thanks to the high-precision (+/- .006 in. tolerance) patented and patent pending composite reinforced door core.

We Don’t Make Doors

Even though the best doors in the world are made with Sing Core inside, we don’t actually make doors at all. What we build is the best non-warping insulated door blanks in the world. We work hand-in-hand with the best door manufacturers in the world to provide your clients with the best doors in the world of any size, even huge mammoth-sized doors.

In this arrangement, as we help support the best door builders, we provide them with the non-warping substrate (what we do best) as we trust them with handling the door finishing, hardware, and installation (what they do best).

What We Can Do

We do provide your biggest and best door manufacturers with the best support system and can provide them with door blanks in various stages of readiness for them to complete in their door factories.

We are often called upon to make bulk runs of standard door blanks quickly, provide door builders with ready-to-finish door blanks prepared by attaching any available flat building materials, such as any species of natural wood grain veneer, natural wood planks, aluminum, cold rolled steel, concrete, fiberglass, FRP, galvanized steel, hot rolled steel, HPL, LVL, MDF, MDO, plywood, stainless steel, just to name a few, ready for your favorite door manufacturer or millwork to finish.

What We Can Do for You

If you have a good local custom door manufacturer or millwork that you work with locally you can order your Sing Core door blanks and have them sent directly to your favorite millwork or custom door maker for finishing, installation of hardware, and installation.

How to Get a Sing Door

You can get your Sing Door blank custom built to your architectural specifications by clicking on the orange Pricing button at the top of the page.

Thank you for supporting Sing Core

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High Precision Doors

Foam-Panel-Interior-Structural-Torsion-Box-Sing-Core-RevealedSing High Precision Doors are a marked improvement in door development, design and implementation thanks to a newly invented Eco-friendly core material that is lightweight, insulated and stronger than steel pound for pound.

This new technology is revolutionizing the door industry especially in regards to large oversize doors. Architects, designers, mill works and door manufacturers all experience problems with doors that are larger than normal size.

Large doors present a variety of challenges in areas, like:

  1. choice of available materials
  2. lightweight doors are weak and tend to fail
  3. Copper-Doorheavy doors strain hardware and structure
  4. increased regular maintenance
  5. failure due to warping

Sing High Precision Doors solve all these issues with an Eco-friendly insulated solution.

How high precision are Sing High Precision Doors?

Sing High Precision doors are created with so much accuracy that the original door slabs are perfectly flat within .0006 inch accuracy.

After applying your desired composite materials and/or skin, your high precision door can be laser CNC machined for a perfectly flat surface, limited only by the accuracy of your CNC machine shop capabilities.

The Large Challenge

Certainly, you could use laser CNC cutting and engraving to machine nearly any door made of almost any commonly used door material for a flat result. The challenge comes from standing the door upright and expecting a degree of effective usefulness over time.

lightweight high strength engineered plywood for making large sliding doors aluminumWhy Large Doors Fail

The effects of gravity, varying degrees of moisture and/or atmospheric change, and the natural limitations of the characteristics of the building materials that comprise the door all contribute to its failure. This causes dissatisfaction for the end user, who has invested a great deal of expense in the design, manufacture and installation of this specialty large door.

Door warping is the number one problem for oversized doors that are otherwise enjoyed by the most discriminating end users.

The Disappointment

No one wants to spend that kind of money on a door that is going to warp, bend, twist, delaminate or compromise the structure or hardware with normal recommended use.

Now, here’s the exciting part…

Sing High Precision Doors can be guaranteed not to warp, bend twist or otherwise fail for 50 years!

large-lightweight-high-strength-garage-carriage-doorsImagine having a large door that can be installed that will not pave the way for repeated service calls over the life of the door.

Take a look at some of our clients who trust us with those difficult door challenges because they are the most reputable high performers in the industry who only deliver the highest marks in terms of customer satisfaction, especially now that they can deliver a fail-free large door that will not cause frustration for their client’s or their service departments. See clients List.

Highest Precision in Doors

true-flat-definition

Click Image for True Flat

high precision doors laser accuracyNo other building material can be guaranteed to maintain a true flat surface and milled with laser precision for long-term maintenance-free performance for 50 years. This is why you can find the growing demand for the Sing solution from beneath the sea (US Navy) to outer space (NASA) and everywhere in between.

The high precision Sing solution is not just for doors; turned flat these very same Sing Panels can become floors, tables, counter tops, ceilings and roofs. Turned on their sides, these patented panels become walls, moveable partitions or virtually any other type of application.

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Contents of Sing Door

Applications -> Building Components -> Doors -> Contents

Door Products

Sing Door Core

Sing Door Sandwich

Sing Door Panel

Door Applications

Interior Doors

Exterior Doors

Single Leaf Door

Flush Door

Moulded Door

Composite Door

French Door

Panel Door

Stile and Rail

Plank and Batten Door

Ledged and Braced Door

Frame and Filled Door

Wicket Door

Sliding Door

Glass Sliding Door

Bypass Door

Pocket Doors

Barn Door

Interior Barn Door

Ledge and Brace Door

 

Door Alternatives

Fiberglass Doors

Aluminum Doors

Steel Doors

 

 

Rotating Door

Pivot Door

Revolving Door

 

High Speed Door

Clean Room Door

Refrigeration / Cold Room Door

 

Blind Door

Gibb (Jib) Door

False Door

Invisible Door

 

Half Door

Dutch Door

Stable Door

 

Double Leaf Door

French Door

Garden Door

Rebated Door

Australian Door (double plywood swing doors)

Barn Door

 

Saloon Doors

Café Doors

Batwing Door

 

Bi-fold Doors

 

Garage Doors

Carriage Doors

Overhead Door

Sectional Overhead Door

Roller (Tambour) Door

Roller Shutter

 

Specialized Doors

Sound Proof Door

Fire Door

Impact Resistant Door

Extreme Weather Door

Weather-proof Watertight Wood Doors

Bulletproof Door

Blast Door

Trap Door

Pet Door

 

Architectural Doors

 

Sing Door Data

Types of Wood Doors

Door Blanks

Skin Options

Technical Information

Clients List

Industrial Links

Assembly & Connection

Door Frequently Asked Questions

Door Specifications

 

Photo Galleries

Carriage Doors Gallery

Sliding/Pocket Doors Gallery

Interior Doors Gallery

Exterior Doors Gallery

Overhead Doors Gallery

 

How to Build

How to build a true flat door

How We Build Our Doors (The Best Method)

How We Build Our Doors (The Second Best Method)

How to make a Sing Door with glass

Carriage Doors

Sliding/Pocket Doors

Sliding Glass Doors & French Doors

Stile and Rail Doors

Interior Doors

Exterior Doors

Overhead Garage Doors

 

Sing Door News

New Door Tech vs. Old Door Tech

True Raised Panel Door

True Flat Sliding Doors

Sing Modern Sliding Barn Door

More People Switching from Overhead Garage Doors to Carriage Doors

$58 Door vs $580 Door Comparison

3 Types of Large Wood Grain Doors

New Doormaking Technology

Best Door in Manhattan

Architectural Specification Substitutes

Free Custom Window Glass Openings

 

Door Cores

Hollow Core

Lattice Core

Honeycomb Core

Corrugated Cardboard Core

 

Sing Core

Stave Core

Solid Core

Particle Board

Foam

Door Skins

Wood

Veneer

Plywood

HDF

MDF

Metal

Fiberglass

Vinyl

 

Door Sizes

Standard: 36” x 80”

Exterior and Passage: 2’ 6” to 3’ wide x 6’ 8” height

Closets: (vary)

Oversize / Large Door: 8′ + tall and/or 4′ + wide

Garage: 7’ to 8’ wide

Double-car: 16’ wide

 

Door Hardware

Hinges

Standard

Bi-fold

Multi-fold

Door Handles

Doorknobs

Crash / Panic Bars

Pull Handle

Door Fasteners

Door Locks

Keyed

Bolt

Latchbolt

Deadbolt

Strike plate

Sliding Hardware

Sliding Door

Sliding Barn Door

Pocket Door

Wall Mount

Bypass

Multi-pass

Accessories

Door Closer

Door Opener

Door Damper

Door Knockers

Finger Plate

Letter Box / Mail Slot

Peephole

Door Safety

Door Stops

Door Guards