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Fire Rated Fire Proof SingCore Doors

When you need a door to protect your family, defend your business, and exceed state, local, and federal requirement for fire rating and durability, then look no further than SingCore. Our doors excel beyond all other fire rated doors in a variety of areas including:

  • Overall strength (stronger than steel by weight)
  • Straightness (guaranteed for 50 years)
  • Lightness (up to 1/3rd the weight of a comparable wooden door)
  • Beauty (available in a wide variety of materials and styles)
  • Usability (cut our panels just like wood. No special skills needed)
  • Eco-friendly (made of Earth friendly materials)

What is fire resistant door?

A fire resistant door is designed to slow or stop the spread of fire throughout a building. Fire resistant or fire retardant materials such as doors can play a key role in the safety of a structure during a fire emergency.

Don’t let the blaze catch you unaware! You need the very best and most reliable fire doors in the business.

How much does a fire rated door cost?

Here at SingCore, we make ever rated fire door customer to meet your size and usage requirements. We like to think that no idea should stay in your imagination. We endeavor to make every dream a reality.

To this end, we attempt raise to every occasion. As such, there is easy to quote price available to hand for any particular door. Each door is designed specifically for your needs.

The fastest way to get a price on your project is to submit a price quote request directly to our estimating team via our website

Are steel doors fire rated?

Steel doors may or may not be fire rated. Merely being a steel door is not enough to guarantee that it will preform safely during a fire emergency situation. Fire doors must be certified by a qualified and accredited professional.

SingCore is able to provide certified fire rated doors. (Certified fire ratings may incur an additional cost.)

How do I know if my door is a fire door?

Your door should have came with documentation certifying its provenance as a fire rated door. Some doors may have their fire rating stamped or otherwise indicated on the door panel itself.

Which doors need to be fire doors?

The placement, rating, and number of is heavily dependent on the requirements of your local governing bodies, and my necessitate compliance to federal, state, and potentially county or city level requirements. Often, the use, design, and occupancy of a building may influence the total requirements in effect.

The best way to determine the fire door requirements in your area is to contact a construction or engineering professional in your area and ask for a consultation on your specific case.

What qualifies as a fire door?

Fire doors require specific certification from qualified individuals who are rated perform safety analysis on door.

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Oversize Walnut Wood Veneer Sliding Door

9′ Tall, 8′ wide, super light walnut veneer door panel

At SingCore, we know that doors should come at any size with any skin finish that you desire. For this reason we make doors custom to order, based on your exact needs and wants.

This oversize walnut skinned sliding door, for example, push the edge of extremity for a typical door manufacturer. But, is well within our wheelhouse when it comes to the exacting standards of SingCore oversized architectural door panels.

Our doors are:

  • Light weight (up to three times lighter than wooden doors)
  • Stronger than steel (pound for pound)
  • Perfectly straight (guaranteed to meet or exceed AWI standards for 50 years or more)
  • Eco-friendly (heavy reliance on renewable resources)
  • Custom designed (inside and outside made to meet your exact specifications)

Walnut Door Slab

Our specialty is to produce unfinished (raw wood) slab door panels for use by millworks, contractors, architect firms, designers, and other builders in projects with demanding specifications. We provide slab panels that without any particular ornamentation or hardware, which leaves you free to apply the design of your choice to the surface, or keep the modern sleek look of slab doors.

We do provide the following services with our slab doors:

  • Light openings for glass, man doors, or other ornamentation
  • Solid wood or veneer “edge banding”
  • Interior solid wood blocking (soft or hardwood optional)
  • Trim and final dimensioning services (optional)

Perfect Flat Walnut Sliding Door Panel

Walnut Veneer Interior Doors

SingCore panels are designed to work as both interior and exterior doors without additional modification. Our panels come highly insulated with dense foam as part of the core construction. At either 3.5 R or >6 R per inch of core material, there is plenty of thermal insulation for exterior applications. Likewise, the foam provides exceptional sound dampening for indoor applications.

Walnut Front Door with Glass

When it comes to glass doors, french doors, and other amazing light opening panels, there is a reason we are called the “King” of the front door.

We can provide walnut front doors with glass of any size, shape, finish, or otherwise that you desire. Every panel we make is custom to you order and specifications.

All panels are provided raw, without finish applied, and without glass.

Prehung Walnut Doors

We do not provide prehung door panels, but our panels are ready for your installer, millwork, or contractor to finish and install hardware. The best part of our panels in their ability to fit in to any project and any style. There is no problem matching our panels to the rest of your door schedule, because they can be finished on site to match the other materials exactly.

Black Walnut Interior Doors

We provide door panels custom made with any finish. Wood veneer finishes include:

  • Walnut (Black Walnut, English Walnut, Northern California Walnut, Colombian Walnut, and more)
  • Redwood
  • Cedar (Western Red Cedar, Port Orford Cedar, and more)
  • Oak (White Oak, Red Oak, and more)
  • Fir
  • Mahogany/Teak
  • Maple
  • Cherry Wood
  • and more

If you are looking for a look, we have it.

Dark Walnut Front Door

Dark walnut front doors ooze style. We would be very happy to produce at front door of any dimension and look. All we need from you is the height, width, and door thickness. Then, let us handle the rest.

Dark Walnut Door

You may be surprised to hear that our doors are perfectly flat. But in fact they are and always will be. That is something that our company guarantees for 50 years.

When you go with dark walnut for you door, the expense of such an exclusive material means that you want to certain of. There is no reason why your door should warp or prove to be less than fully functional for the life of the building. That is why you need SingCore front and center of your construction.

Order Today

Submit for a free estimate for your next project today! Free consultation available to let us help you choose the best SingCore panel for your project.

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Pocket Door

Pocket doors have become an integral part of modern architectural design.  Despite the many advantages of pocket doors, they do present unique challenges in both the manufacturing and the installation process.

The Best Pocket Doors

Sing Core has become known for making some of the largest, most impressive sliding doors on the market.  Pocket doors are sliding doors that slide into a pocket in the wall.  Certain customers have come to know Sing Core, not only for our sliding doors, but also for our magnificent pocket doors.  Introducing the best pocket doors!

Pocket Door Challenges

The concept of pocket doors seems simple very simple.  They are similar to sliding doors in that they slide on tracks and typically use rollers to open and close.  The big difference is that they slide into a pocket that has fixed dimensions inside the wall.  If the door warps or skews, the door cease to function.  You will not be able to open or close the door because warping will change the dimensions of the door.

Warp Free Pocket Door

Over decades, we have developed our patented and patent pending materials that allow for super strong, light weight, warp free door construction.  Warping and skewing present significant problems for pocket doors, because pocket doors must slide into a fixed space inside the wall.  Any deviation from specifications will prevent the door from fitting into the space.  When this happens, your door will cease to function.  You will need to buy a new door, change out your hardware that may bend or break as a result of door malfunction.  In some cases, you also need to rebuild your door frame or your walls when they are ruined from doors being opened and closed.

But we have solved all of the problems associated with large pocket doors and large sliding doors.  When you use Sing Core products, you not only get a door that exceeds AWI standards in terms of warpage, you also get a door that’s guaranteed against warping for 50 years.  Because of our special design methods, you will get a door that ensures proper functionality for decades.

Large Pocket Doors

The larger the door the bigger the challenge.  Large pocket doors are more susceptible to warping.  In order to function properly, they must be specially designed to resist warping.  Larger doors must be specially constructed so that they are warp free on installation, as well as, over time.

 

 

 

Ultra High Strength – Large pocket door must be exceptionally strong to stand up to the most rigorous use.  At Sing Core, we have revolutionized door strength with Peter Sing’s patented and patent pending technology that allows us to build doors that are very high strength, tested independently at over 660 PSI.

 

Super Light Weight – Up to 90% lighter than solid wood doors.  Sing Core specially engineered core uses Peter Sing’s revolutionary design to bring a solid door strength to doors that allows for super light weight performance.

 

Straight/Warp Free – Specially designed stiffeners built into our doors make sure your doors are warp free over the long haul for better performance and function.

 

Structurally Stable – With our groundbreaking process, we can make doors that are built exactly to your specifications, and will not skew of shift over time.  That way, you have a door that functions worry free for decades.

 

Eco-friendly – We support sustainability by using 100% renewable, eco-friendly materials, so our products are better on the environment.

 

Guaranteed – When it comes to guarantees, no company on the market can do better.  Our Sing Core Professional Panels are used for doors and other high end applications where stability and precision are of the utmost importance.  All of our Sing Core Professional panels come with a whopping 50 Year Guarantee against warping, cracking, breaking, and skewing.  Name one other company who can do this.  Most companies don’t even offer a one year guarantee, but we can do this because our products have such a strong track record of performance.

 

No one can make panels as large, yet warp free like we can!  You have our guarantee on that.

 

Proudly Made in America

All of our products are 100% made in the USA.  We take pride in supporting our country.  That’s why you won’t find any products that aren’t made in America here.  We also use high quality inputs that are sourced from local suppliers.

Door Skins

Our door system allow you to specify almost any skin for your doors.  We specialize in high quality wood and metal doors.  We have several options depending on your budget.  Our paint grade ply option is our most economical option.  Next is our hardwood veneer option.  Mahogany, oak, walnut, and alder are popular.  We also use 1/8″ wood stave on our highest end option, which gives you a solid wood appearance, but has our specially engineered core to maintain the light weight feature our doors are famous for.  We also make metal doors.  In our metal doors category, we specialize in hot rolled and cold rolled steel, but we also have a very popular aluminum option.

any door skin hard wood metal aluminum

 

Sing Core Certified Professional

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Giant Sliding Factory Door

Sing Core High End Giant Factory Sliding Doors Increase Productivity

Sing Core Large Factory Sliding doors can be used for all kinds of industrial purposes.  They are ideal for warehouses, hangars, factories, plants, manufacturing facilities, and other industrial and commercial scenarios.  Using our patented and patent pending technology, we manufacture doors that are easier and less expensive to install, lighter in weight, so they allow you to use less expensive hardware than doors made by the competition.

 

Huge 20′ x 12′ x 3.5″ inch Large Factory Sliding Door for Industrial Use.

 

At this factory, the workers were struggling daily with their large factory door that was warping and twisting, due to environmental factors.  Their door was excessively weighty and the door was extremely difficult to open and close. Door functionality was severely impaired, because of warping and twisting.  It was also peeling and falling apart, due to poor construction. The managers knew they needed to fix the problem, but not just any door would do. This is why they called upon Sing Core to solve their problems.

Sing Core tackled the problem immediately with their patented solutions.  First of all, because of the size of the door, they knew they would need to solve the weight problem.

Giant Factory Door Extremely Light Weight

With our patented and patent pending methods, solved the weight problems.  This huge panel measures 12’ x 5’ x 3” thick, yet it only weighs 121 pounds so it can be easily lifted by two men, as you can see in the photo.  This demonstrates there are no other panels on the market as light and large as Sing Core panels.

The Strongest of the Strong

Tested independently, in UW labs, as able to withstand force upwards of 660 PSI, Sing Core, hands down, manufactures the strongest material in its weight class.  Large doors need higher strength to stave off potential warpage. That’s how we provide doors that are stronger, lighter, and more warp free, according to AWI standards.

Factory Slider Strong Strength Test

Our panels can support the weight of a grown man with next to zero flex.

Sing Core doors also come with nearly any skin.  Our most popular skins are Alder, Mahogany, Western Red Cedar, Fir, Pine, Hemlock, Balsa, Birch.  Even better, we can apply hot rolled or cold rolled steel, aluminum, copper, bronze. Your doors are only limited by your imagination.

If you need the highest strength, lightest weight, most warp free large sliding doors and large pocket doors, available in more skin options than any other door, you need Sing Core doors.

Factory Hangar Large Sliding Door 5 x 12 x 3.5 inch

Huge 20′ x 12′ x 3.5″ inch Large Factory Sliding Door for Hangars and Warehouses.

This revolutionary new door has so many skins available that you will find it suits every possible purpose.  You can use this door as a large factory door, a huge sliding hangar door, massive barn doors, very big manufacturing plant doors, colossal barn doors, and other magnificent bay doors that will leave your guests and customers in awe. 

The Sing Core Advantage

 

 

Large Factory Door with Sing Core

Another advantage to Sing Core is that you can apply any kind of skin or finishing.  This photo shows high quality siding applied to the huge factory door.  The siding is very easy to apply and is great in exterior weather conditions.  Whether rain, snow, or hot sun, your door will be protected against the elements every single time.

Applying siding to your door will offer superior weather proofing.

Giant factory doors are a Sing Core specialty, as you can see here from the picture, which shows how large and well built our doors are.

Massive 20′ x 12′ x 3.5″ sliding factory door with siding.

This photo shows the true scale of the door.  When you see a full grown man standing in front of it, the massive nature of the door is apparent.

Sing Core Triple Panel Sliding Door

There are many ways to build a door.  One of the most effective ways is to build multiple doors that open together in one space.  There are advantages to covering your door opening with more than one panel.  This allows each panel to be lighter and it offers more versatility with your hardware.  Hardware does not have to be as strong, because the the weight of the full door does not rest all on one track.  Also, it is much easier to install a door in sections, because very large doors tend to be heavier and much more difficult to install.

Singcore patented and patent pending technology allows us to make doors that are so large, yet so light they can be opened with just one fingure.  Over the years, we have done so much research and development in the areas of strength and light weight attributes that we have been able to make panels that are much stronger, pound for pound, than competing products.  When you need large industrial doors that hold up under the most rigorous conditions, Sing Core has your door. 

 

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Classic Hidden Hallway Door

Sing Core is known for it’s large, showy doors. But, our lightweight door technology has many varied applications. Whenever style and durability are a factor, Sing Core panels deliver where others cannot.

A Unique Addition to Your Project

Nothing sells a finished product like the little touches. When you think that everything else has been tried, consider adding a hidden door to your project.

Hidden doors allow for additional space utilization in a design while minimizing visual clutter due to door framing and hardware. This gorgeous example, built by one of Sing Core’s clients using our patented lightweight honeycomb technology, oozes refinement and class. At a glance, the door melds in to the hallway molding and leaves the  lines unobstructed.

Our Panels are Your Canvas

An artist cannot paint without a strong canvas, likewise a builder cannot make living art without strong building materials to form their creations.

Sing Core door slabs come with a 50-year warp-free guarantee that demonstrates the underlying stability and quality of our materials. We stand by our ability to create doors that are:

  • Lightweight
  • Sound proof
  • High insulation value
  • Straight
  • Strong
  • and Dependable

When You Client Demands the Best

May companies on the market offer a variety of door cores. We acknowledge that our product is not the right solution on all situations. For doors of usual sizes and applications, or exacting production standards leave little flexibility in pricing to meet budget demands. Where our doors shine is in very large, high tolerance, or very high end applications.

When all that maters is the best possible outcome for your project, then remember Sing Core and our patented and patent pending “honeycomb” door technology cannot be beat.

Smooth, Flush Trim, and Anything You Can Imagine

Flush is just the start of the possibilities when it comes to high end custom doors. With Sing Core almost any possibility to can be realized. Almost any size can be realized using the unique strength and straightness of our honeycomb core. Too thin and too big are not in our vocabulary.

The real question is how big can you imagine? What do you and your clients seek to realize?

A Miraculous Material

Many people are surprised to see how much then can accomplish beyond the norm with Sing Core backing their work. For us strength is really not a problem. Warping can be relegated to a fear of the past.

We would be boosting to say these things if the product didn’t warrant the praise. But in this case we can, in humility, say that what we provide top end millworks, construction companies, and architects pushes the boundary of what is possible.

When you use Sing Core you are in the driver’s seat. Do you want metal skin, solid wood skin, paint, plastic, fiberglass? Almost anything can be realized with less weight and greater strength than even aluminum or other space age door technologies.

What Can We Do For You?

Although we aren’t the right fit for every project, when your design has unique needs remember that Sing Core is there to back you up.

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Wood Door Gallery


The Only 50 Year Warp-free Guarantee and full structure warranty

 

 

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Solid Wood Stave Door Blanks

Applications -> Building Components -> Doors -> Solid Wood Blank Doors
solid wood stave sliding door wood planks composite honeycomb panels

Click on picture to see our wood skin gallery!

Our panels make doors!

Patented Sing Core solid wood stave door blanks feature the newest technology in the door industry for composite doors yielding the only eco-friendly, lightweight, fully insulated, high-strength doors with wood blanks of any size (up to 40 ft.) that can be guaranteed true flat and to stay flat for 50 years.

Large door versus regular-size door challenge (i.e., over 4 feet wide and over 8 feet in length):

Large doors are heavy, dimensionally unstable, require more strength due to the heavy weight, and are a challenge to manufacture, ship and install.  High-end jobs require precision and true flatness to please the customer.  A homeowner’s architect, general contractor and mill worker must solve the problem of warping doors.  The solution to the challenge is to use patented professional true flat Sing panels to make your doors.

Sing Core wood stave door planks are the only solid wood doors that will not warp, bend, twist or cup following installation.  This means no more continuous service calls for maintenance of big doors that cannot possibly stay straight due to the limitations of solid wood – or any other door core – that is subject to failure.  Sing panels have a patented honeycomb/torsion box interior which gives lightweight yet unsurpassed strength (pound-per-pound stronger than steel) and stability to any door, and allows Sing Core to provide a 50-year guarantee

Interior Doors:

Sing panels make amazing designer doors in any style.  With Sing panels, fragile doors such as French doors are made lightweight yet strong, not warping or breaking hinges, which will last for many decades.

Exterior Doors:

Sing panels make sturdy exterior doors in any style.  With Sing panels, exterior doors are lightweight and strong, even when oversized.  Our professional doors are guaranteed to stay true flat and not warp or twist for 50 years

When is a door not a door? When it fails to function as a door.

The problem is that all door core materials are either not high precision, too heavy or will move when exposed to moisture, humidity or change in temperature resulting in door failure.

Heavy solid metal or steel will not warp, bend or twist, but is not high precision due to welding (sing core tolerance is + or –  .006 inch!) and is often impractical due to the overweight issues causing excess strain on both the hardware and structure, causing continued maintenance issues.  The solution is our patented lightweight yet strong Sing core technology.

Finishing a door blank:

There are two types of finish for door blanks:  paint grade and wood grain.  Paint grade includes such finishes as metal, Masonite, marine plywood, etc.  Wood grain finish includes such finish as solid wood stave and thin veneer.

Why Use Solid Wood Instead of Veneer?

solid wood composite door planks any size thickness true flatNever settle for substandard veneer doors again. Door engineers prefer to use inexpensive veneer as opposed to real solid wood facings because veneer is thought to be less likely to warp, bend or twist.  But thanks to the super-strength of patented Sing Core technology, you can use solid wood stave and wood blanks with confidence knowing that your door can be guaranteed true flat and will stay flat.

How can a solid wood-faced door stay true flat? As every woodworker knows, when using a solid wood surface, the grain will move according to moisture or temperature change causing the door to fail. When using our patented Sing Core as a substrate you can safely use solid wood because the solid torsion box/honeycomb patented material is continually keeping the wood grain straight and true.  Whereas wood stave has more wood fiber giving it more of a chance to warp than thin veneer due to the unbalance of the both side of the door moisture contents, patented Sing technology solves this problem by combining stiffing skin on both side of our patented Sing core.  This Sing panel technology eliminates the troublesome movement of the door blank — warping is no longer a concern when wood stave is combined with patented Sing core.

In addition, solid wood is easy to work with, install (no need to hot press), repair and remodel.  That’s why professionals trust Sing Core’s years of expertise in helping to design the only wood stave doors (that look just like solid wood doors) that can stay straight and true for many decades while respectfully honoring the beauty and elegance of solid wood, which far outlasts easily-damaged veneers, yet can be sanded and repaired if necessary.

Celebrate your real wood!

solid wood stave door planks lightweight honeycomb guaranteed 50 yearsOur Eco-friendly lightweight, high strength alternative is the best   solution for combating the issues associated with weight and size,   especially large doors.  Only our patented Sing torsion box/foam   composite core combined with our years of experience provides   guaranteed solutions for oversize doors.

That’s why this technology is found everywhere, from beneath the sea   (US Navy) to outer space (NASA) and everywhere in-between.

Sing panels may be finished in almost any wood species, like   mahogany, redwood, teak wood, cherry wood, walnut wood, cedar   wood, Ipe wood, sapele wood, poplar wood, ebony wood, ash wood,   oak or any other hardwood or exotic wood types available.

This same wood blank composite technology is also a common solution for high-end projects like engineered hardwood flooring, shiplap, wood furniture, wood shelves, decking, shed doors or any other application demanding high precision and exemplary performance over time.

How is wood stave/veneer added to Sing panels?

Wood stave is added directly to the metal or wood skin our patented Sing cores.  Wood veneer is added to an 1/8-inch mdf attached to the metal skin.  Call us for a free consultation on the best option for your project.

How to BuyMetal Composite Sing Core panels are true straight, light and strong.

To order Sing Large Door panels see our pricing page  and submit an order form either by email,  info@singhome.com, or print and fax it to: 360.495.4585. We’ll provide a quote within one business day. If you have questions, please contact us.

Easy Ordering

All we need to know is the length, width, thickness and what you desire on the exterior, and your custom specialty panels are made to order. Getting a quote for your specialty product, is easy, thanks to our simple online order system.

Bulk Discounts

If you’re looking for a bargain price, remember, the more you order, the less expensive your total order will be per piece. Quantity and wholesale inquiries are encouraged. Feel free to contact us for more information. Click here for Closeout specials.

Fast turnaround: In you’re in a rush, only Sing Core can be custom made within 24 hours and is proudly manufactured for you in the USA.

Fast delivery: Any thickness and almost any length, less than 5 ft wide, can be made with in 48 hours if it is rush order.

SINGCORE Large Doors are easy to order. You may choose from our stock panels or order custom sized panels. Our price is based on the length, width, thickness, and quantity. Submit a Work Order by fax or email, and we will give you a quote within one business day. If you have a tight budget, give us a call, we might have an alternative solution tailored to your needs.

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Aloha Non-warping Hawaiian Large Doors

Aloha from Honolulu, Hawaii, where Professional Sing non-warping doors are making an impact.

3 views of best pivot door lightweight high strength non warp insulated pivot doors

Hawaiian door manufacturer sought out Sing Core in search of a non-warping exterior door solution for rigorous climate variances especially large oversized sliding doors and pivot doors.

During the free consultation, the manufacturer explains that large doors are known for warping top to bottom, but people don’t talk much about warping side-to-side, which makes it a constant struggle for latching and sealing the door. These are the constant issues that face the makers of large exterior doors.

Large oversize non warping wood pivot door insulated modern pivot doorsThe specifications for the door included a natural Sapele wood stave exterior which complicates the door project even more because the innate natural wood grain will have a tendency to warp, bend and twist according to changes in temperature and humidity.

Door manufacturers find it hard to believe that inventor Peter Sing would be willing to, “put his neck out on the line for 50 years.” It is this 50 year non-warp and structure guarantee that intrigues manufacturers of larger doors, especially if the door specs include exposed solid wood.

The undeniable fact is, patented Professional Sing Core is the only way to build a lightweight, high strength non-warp door. And Sing Doors are guaranteed not to warp – top-to-bottom or side-to-side – for 50 years including full structure guaranteed also.

We are the best door substrate for doors, not just in the continental USA, where we are best-known but also in Alaska and Hawaii, when it comes to the most prestigious big doors.

Here’s an example of a 98” x 84” x 3” Professional Sing Door with custom lite cutouts for a modern pivot door presentation and 1/8” Sapele wood stave exterior, weighing in at only 250 lbs.