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Wholesale Sing Core Sandwich Core

Wholesale Sing Core Sandwich Core

The Sing Core Sandwich Core has 1/8″ hardboard covering the top and bottom with patented Sing Core lightweight core in the center. Having Sing Core’s sandwich core means that you can design and create your very own Sing Core door. Sing Core inside keeps weight down while preventing warping and providing high strength. Pictured is the sandwich core with hardboard exterior. Each piece measures 12″ x 96″ x 1.125.”

The Best Core For Your Door

Patented Sing Core is an Eco-friendly core, that is lightweight, stronger than steel pound for pound, fully insulated for climate control and sound deadening capabilities. This sandwich core can be used for a wide variety of applications. You can use this core to create your own door, wall panel, floor panel, furniture, shed, or virtually anything! The best part is that no matter what used for, Sing Core Sandwich Core will insure that your application will be very lightweight without sacrificing an ounce of strength.

Includes Sing Core Sandwich Core only.

Scroll down for more information.


12″ x 96″ x 1.125″ Sandwich Core

$6 per FT2

Minimum order 100 FT2

*see below for lead time and rush information

Description

What is included in your order:

Purchase includes patented Sing Core sandwiched between hardboard, measuring 12″ x 96″ x 1.125.”

 

Lead time

 

Surplus lead time is 2 weeks. Standard lead time is 6-10 weeks. Rush orders will be accepted and charged accordingly. For more information, click here.

 

Customization

 

You have the option to customize however you would like. If this is something you are interested in, please make a note in your estimate submission. Feel free to give us a call or send us an email.

 

Phone: (360) 495-3577

Email: info@singcore.com


Rush Options

A link to the rush options page is in the Lead Time section above or can be found here. Rush Options


Shipping Information

 

Our products are shipped freight. We work with many freight companies to get you the door you need. Shipping times will vary depending on where you are located.

Every order is shipped from our factory in McCleary, Washington.


Ready to order?

*sold to trade professionals only

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Wholesale Hard Maple Exterior Door

Wholesale Hard Maple Exterior Door

The surplus exterior door has 1/8″ hardwood covering both sides and is comprised of patented Sing Core lightweight core. Having Sing Core inside means that this door is dimensionally stable and crafted with the highest precision. Sing Core inside keeps weight down while preventing warping and is backed by the same 50 year guarantee! Pictured is the Hard Maple stave skin. Measures a whopping 48″ x 88″ x 2.125″! This door sells for over $6,000, but you can get one today for only $1,500 if you act now. This door only comes in one size at this time, but can be trimmed up to 2″ on each side.

The Only 50-Year Warp-Free Guarantee

We work with patented Sing Core to bring you an Eco-friendly exterior door that can be easily installed, that is lightweight, stronger than steel pound for pound, fully insulated for climate control and sound deadening capabilities. And the best part? Your standard exterior door is fully guaranteed not to warp, bend, twist, or otherwise fail for 50 years.

Includes unfinished door slab only.

Scroll down for more information.


48″ x 88″ x 2.125″ Hard Maple Exterior Door

*see below for lead time and rush information

Description

What is included in your order:

Purchase includes the unfinished door slab.

 

Options

 

If you are looking for an even more economical option, we can offer this same door slab without the Hard Maple skin for only $1,000! This more economical door slab has an MDF skin and is only 2″ thick.

Your purchase can include an assembled door frame, made of patented Sing Core, as well as your choice of pivoting or hinging hardware for an additional $400.

This door slab can be used with pivoting hardware, hinging hardware, or even sliding hardware.

The door slab has a solid wood perimeter that can be trimmed up to 2″ on each side, allowing the door to be anywhere from 48″x 88″ to 44″x 84.”

Lead time

 

Surplus lead time is 2 weeks. Standard lead time is 6-10 weeks. Rush orders will be accepted and charged accordingly. For more information, click here.

 

Customization

 

You have the option to customize however you would like. If this is something you are interested in, please make a note in your estimate submission. Feel free to give us a call or send us an email.

 

Phone: (360) 495-3577

Email: info@singcore.com


Help

This section is to help in determining what options to choose for your very own Sing Core exterior door.

Choosing the right door size

There are two main measurements to know when choosing the best fit for your new door.

 

Rough Opening

The rough opening is the space in the bare wall before a frame and door are installed or replaced.

 

Frame size

The door frame size involves measuring the width of the bare wall before the door or frame is installed, leaving about 1/2″ extra for better fitment. You also need to consider how thick the frame itself need to be to support the door of your choice.

Choosing the perfect skin

Modern doors are available in a wide array of skin options. This exterior door is available in MDF or Wood, the species currently available is White Oak, White Oak with a Walnut inlay, or Hard Maple. See below for examples.

Rush Options

A link to the rush options page is in the Lead Time section above or can be found here. Rush Options


Shipping Information

 

Our doors are shipped freight. We work with many freight companies to get you the door you need. Shipping times will vary depending on where you are located.

Every order is shipped from our factory in McCleary, Washington.


Ready to order?

*sold to trade professionals only

singcoreadmin No Comments

Wholesale White Oak And Walnut Exterior Door

Wholesale White Oak Exterior Door With Walnut Inlay

The surplus exterior door has 1/8″ hardwood covering both sides and is comprised of patented Sing Core lightweight core. Having Sing Core inside means that this door is dimensionally stable and crafted with the highest precision. Sing Core inside keeps weight down while preventing warping and is backed by the same 50 year guarantee! Pictured is the White Oak skin with Walnut inlays. Measures a whopping 48″ x 88″ x 2.25″! This door sells for over $6,000, but you can get one today for only $1,900 if you act now. This door only comes in one size at this time, but can be trimmed up to 2″ on each side.

The Only 50-Year Warp-Free Guarantee

We work with patented Sing Core to bring you an Eco-friendly exterior door that can be easily installed, that is lightweight, stronger than steel pound for pound, fully insulated for climate control and sound deadening capabilities. And the best part? Your standard exterior door is fully guaranteed not to warp, bend, twist, or otherwise fail for 50 years.

Includes unfinished door slab only.

Scroll down for more information.


48″ x 88″ x 2.25″ White Oak w/ Walnut Inlay Exterior Door

*see below for lead time and rush information

Description

What is included in your order:

Purchase includes the unfinished door slab.

 

Options

 

If you are looking for an even more economical option, we can offer this same door slab without the White Oak skin for only $1,000! This more economical door slab has an MDF skin and is only 2″ thick.

Your purchase can include an assembled door frame, made of patented Sing Core, as well as your choice of pivoting or hinging hardware for an additional $400.

This door slab can be used with pivoting hardware, hinging hardware, or even sliding hardware.

The door slab has a solid wood perimeter that can be trimmed up to 2″ on each side, allowing the door to be anywhere from 48″x 88″ to 44″x 84.”

Lead time

 

Surplus lead time is 2 weeks. Standard lead time is 6-10 weeks. Rush orders will be accepted and charged accordingly. For more information, click here.

 

Customization

 

You have the option to customize however you would like. If this is something you are interested in, please make a note in your estimate submission. Feel free to give us a call or send us an email.

 

Phone: (360) 495-3577

Email: info@singcore.com


Help

This section is to help in determining what options to choose for your very own Sing Core exterior door.

Choosing the right door size

There are two main measurements to know when choosing the best fit for your new door.

 

Rough Opening

The rough opening is the space in the bare wall before a frame and door are installed or replaced.

 

Frame size

The door frame size involves measuring the width of the bare wall before the door or frame is installed, leaving about 1/2″ extra for better fitment. You also need to consider how thick the frame itself need to be to support the door of your choice.

Choosing the perfect skin

Modern doors are available in a wide array of skin options. This exterior door is available in MDF or Wood, the species currently available is White Oak, White Oak with a Walnut inlay, or Hard Maple. See below for examples.

Rush Options

A link to the rush options page is in the Lead Time section above or can be found here. Rush Options


Shipping Information

 

Our doors are shipped freight. We work with many freight companies to get you the door you need. Shipping times will vary depending on where you are located.

Every order is shipped from our factory in McCleary, Washington.


Ready to order?

*sold to trade professionals only

singcoreadmin No Comments

Wholesale Paint Grade Exterior Door

Wholesale Paint Grade Exterior Door

The surplus exterior door has 1/8″ hardboard covering both sides and is comprised of patented Sing Core lightweight core. Having Sing Core inside means that this door is dimensionally stable and crafted with the highest precision. Sing Core inside keeps weight down while preventing warping and is backed by the same 50 year guarantee! Pictured is the paint grade hardboard skin. Measures a whopping 48″ x 88″ x 2.25″! This door sells for over $5,000, but you can get one today for only $950 if you act now. This door only comes in one size at this time, but can be trimmed up to 2″ on each side.

The Only 50-Year Warp-Free Guarantee

We work with patented Sing Core to bring you an Eco-friendly exterior door that can be easily installed, that is lightweight, stronger than steel pound for pound, fully insulated for climate control and sound deadening capabilities. And the best part? Your standard exterior door is fully guaranteed not to warp, bend, twist, or otherwise fail for 50 years.

Includes unfinished door slab only.

Scroll down for more information.


48″ x 88″ x 2.25″ Paint Grade Exterior Door

*see below for lead time and rush information

Description

What is included in your order:

Purchase includes the unfinished door slab.

 

Options

 

Your purchase can include an assembled door frame, made of patented Sing Core, as well as your choice of pivoting or hinging hardware for an additional $400.

This door slab can be used with pivoting hardware, hinging hardware, or even sliding hardware.

The door slab has a solid wood perimeter that can be trimmed up to 2″ on each side, allowing the door to be anywhere from 48″x 88″ to 44″x 84.”

Lead time

 

Surplus lead time is 2 weeks. Standard lead time is 6-10 weeks. Rush orders will be accepted and charged accordingly. For more information, click here.

 

Customization

 

You have the option to customize however you would like. If this is something you are interested in, please make a note in your estimate submission. Feel free to give us a call or send us an email.

 

Phone: (360) 495-3577

Email: info@singcore.com


Help

This section is to help in determining what options to choose for your very own Sing Core exterior door.

Choosing the right door size

There are two main measurements to know when choosing the best fit for your new door.

 

Rough Opening

The rough opening is the space in the bare wall before a frame and door are installed or replaced.

 

Frame size

The door frame size involves measuring the width of the bare wall before the door or frame is installed, leaving about 1/2″ extra for better fitment. You also need to consider how thick the frame itself need to be to support the door of your choice.

Choosing the perfect skin

Modern doors are available in a wide array of skin options. This exterior door is available in MDF or Wood, the species currently available is White Oak, White Oak with a Walnut inlay, or Hard Maple. See below for examples.

Rush Options

A link to the rush options page is in the Lead Time section above or can be found here. Rush Options


Shipping Information

 

Our doors are shipped freight. We work with many freight companies to get you the door you need. Shipping times will vary depending on where you are located.

Every order is shipped from our factory in McCleary, Washington.


Ready to order?

*sold to trade professionals only

singcoreadmin No Comments

Standard Doors

Standardized Doors

Are you searching for the best interior door to put in your home? Well search no more! Sing Core offers only the best doors to fit your budget. Sing Core’s patented door design reduces weight, increases insulation, increases sound deadening, and will not warp.

Traditionally manufactured interior doors weigh almost three times more than a Sing Core door. Sing Core produces hollow core doors that provide much greater insulation qualities. Usually hollow core doors have an insulation value, or R value, of 2. Sing Core interior doors boast an R value of 6. With this being said, you can save on your heating bill and save on the cost of replacing your old doors.

Sing Core offers the highest quality of over-sized doors, but also provides the absolute best standard interior doors. Standard doors sizes are available in 30”W x 80”H or 32”W x 80”H. Standard interior doors usually have a thickness of 1 ⅜”. If the door you are looking for is not one of the listed sizes then do not worry, you can contact our salesperson and we can create a custom door just for you.

Currently we are offering our standard interior doors with a fiberglass skin. Traditional standard sized interior doors usually have a medium density fiberboard (MDF) skin or are solid wood. Both of these materials are very heavy, increasing the cost of hardware needed to hold the door. Our standard doors can be used with hinging, pivoting, or sliding hardware.

The standard interior doors are being sold as unfinished door blanks so that you may finish the door as you please. If you are searching for a new interior door, then you have come to the right place. Sing Core doors are among the lightest on the market. Don’t think for a second that we compromised strength to achieve such a lightweight door. Sing Core doors are significantly stronger than doors comprised of traditional materials, not to mention modern hollow core doors.

Sing Core is the only company that guarantees every door to stay straight and not warp for 50 years! No other door company can make such a claim. Our standard sized doors can be used with a wide variety of hardware. You can hang the door with standard hinges, a pivot box, or even make it a sliding door. Sing Core’s lightweight design allows you to save on hardware costs. There is no need for any specialty hardware to support a heavy door.

You could even apply a proper exterior finish to the door for use as an exterior door. The possibilities are endless! Sing Core can customize any door you need, in anyway you may need. Our doors can have a wide variety of skins; including, but not limited to A/B Plywood, veneer, wood staves, steel, aluminum, fiberglass, HPL, MDF, and much much more. For the fastest way to receive an estimate, please check out our pricing page! Just submit for a price quote and we will get back to you ASAP!

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Invisible Doorway

Hidden “Jib” Doors

A door that is hidden in plain sight is commonly referred to as a “jib” door. Jib doors can often be called invisible doors or frameless doors. This type of door traditionally sits flush with the wall and matches any pattern on the wall. Jib doors provide a camouflage entrance to “secret” rooms. Everyone loves a house with a hidden door or secret rooms. We can provide jib doors, concealed cupboards and riser door systems perfect for concealing unsightly riser doors, access panels and service cupboards.

Essentially, it’s a door that is flush-mounted right into the wall—and often without hardware—essentially making it “invisible.” Sing Core provides lightweight and high strength door panels. These panels are crafted with the utmost precision. Sing Core’s door panels are comprised of a specially designed torsion box honeycomb core. This special design prevents warping, even in greatly over-sized doors. Sing Core is one of the only door companies who can guarantee their doors for 50 years. No other door company can make this claim!

Known for their essential “invisibility,” jib doors are flush-mounted directly into the wall allowing them to blend beautifully with their surroundings. The most subtle jib doors often lack any visible hardware. Bookcase doors work perfectly as entrances to panic rooms or vaults for storing firearms, jewelry, documents and other important items. A jib door is nearly invisible, or at least disguised from being recognized as a door. It may have the same moldings or wall treatment as the surrounding wall, creating a door hidden in plain sight.

What is the purpose of a jib door? A jib door or set of jib doors allow you to disguise that old broom closet so no one would even know it is there. Jib doors are very popularly used to keep precious valuables safe and secure. More importantly, jib doors can and are used to conceal your home’s panic room. A jib door is only hidden as well as it is made precise. Do not take any chances, and let Sing Core build your very own custom jib door. Sing Core offers precision unlike any other door company out there. This being said, we can manufacture the most seamless jib doors on the market.

Sing Core builds the most high end and lightweight doors on the market, and remain economically friendly! We custom build every door by hand to ensure the utmost precision as well as the utmost customer satisfaction. Plus, if your invisible door has Sing Core inside, you get the added safety and security of having a fully insulated sound deadening jib door which is also highly effective in maintaining consistent temperature control on either side of the wall door.

Millworks and high-end custom door manufacturers know they can rely on Sing Core’s ability to provide a warp-free door blank which will remain straight and true enough to protect the hidden door’s secret of invisibility over time. Not only can Sing Core offer the utmost precision, but we can offer precision that lasts longer than any other door company. Traditional door materials; such as solid wood, hollow core with MDF, or plastic tend to warp as they age and some are warp the day you purchase them! Sing Core guarantees that every door produced will not warp or fail, and this is backed by the Sing Core 50 year guarantee!

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Secret Revealed: How to Keep Large Doors Straight

Inventor Peter Sing discloses how he and his True Flat Team can build enormous doors of any size and/or material and keep them straight and guarantee them to remain warp-free for 50 years.

 

First, there is the standard answer. Sing uses his patented torsion box hybrid composite core to build large doors that will not warp. Doors with Sing’s patented core inside are Eco-friendly, lightweight, high strength, and are fully insulated for increased temperature control and sound deadening capabilities.

How is it possible to build a large warp-free door?

This question is indicative of the problem facing door companies with doors over a standard height. If a door is over 7.5 feet tall, it is generally excluded from the warranty which might cover the rest of the doors in the build package. You will have to sign a waiver if they do decide to build the big doors for you, but it is more likely that they will have you get it from someone else.

 

Why?

Because they know there is the likely inevitability that those oversized doors are going to warp at the next change of season (or sooner) and they don’t want to be hassled with servicing the warped door.

How to Build a 50-year Warp-free Door

While the simple answer is to use Sing’s patented core, it is far more complicated than that. Peter Sing and his True Flat team have a toolbox full of patented and patent pending anti-warp technologies that they use on each large, oversized door, as no two huge doors are alike. Well, unless they are a pair of matched double door, then they are likely to be the same.

 

There are so many considerations that Sing and his team review prior to deciding how to build the door. First, it is the door’s dimensions. The bigger the door, the more engineering and warp-resistance needs to go into the door.

Then it is the door’s application. Will it be interior or exterior? Will it be exposed to the elements? If it is an exterior door, what area of the country will it be located? What altitude will it be installed at and which direction will it face?

Finally, what will the intended exterior surface material be made of?

 

The best parts are under the skin

Under the skin, the exterior surface material of the door, you will find a complex array of Sing technology fighting against the natural inclination of these big doors to move in response to any change in the local environment, including moisture, barometric pressure, heat, cold, just about anything you can imagine, Sing has a technology to keep that door straight.

In the most extreme cases, Sing’s team might be exposed to something new. A new unforeseen challenge, like wood grain’s reaction at high altitudes, or concrete in extremely cold temperatures. Necessity is the precursor to invention, which leads to another new patented Sing solution.

Then there are other considerations to take into account.

Are there any specific expectations such as final door weight, water, fire, sound, or bullet proofing? Impact resistance? Insulation R-value?

Every door with Sing Core inside is a work of art

As you may have guessed, a door that is going to be operated mostly in outer space (NASA) would be built quite differently from a door used in a submarine (US Navy). Just like an exterior front entry door made for Hollywood California would be different from a front door in New York City, even though they look the same and are made of the same basic materials.

Sing and his True Flat Team take all these things in consideration to make sure that the door you install today will not warp tomorrow, or anytime in the future (up to 50 years guaranteed).

This enables the biggest and best door companies in the world to build the biggest and best doors in the world complete with Sing’s 50-year guarantee.

It’s the only way to do it, and all you have to do is to contact your favorite custom door manufacturer or millwork near you and tell them you want a door with, “Sing Core inside,” and Peter Sing and his team will make sure you end up with a lightweight high strength warp-free door you can be proud to have for 50 years or more.

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Veneer Door

Veneer doors are the most responsible use of natural resources because the declining supply of available natural wood grains are mediated by slicing very thin layers of grain into sheets of natural material which can be applied to a flat surface, such as plywood, panels, or used as door skins.

Most Popular Veneer Doors

While the various wood grain varieties of doors change, some veneer types are more popular than others around the USA. Right now, the two most popular wood veneer doors are,

Walnut Veneer Doors       and       Oak Veneer Doors

Walnut and oak veneers are tied for first place in the world of veneer doors, followed by maple, birch, teak, mahogany, cherry, ash, cedar, and pine veneer doors, in that order.

A veneer door is indeed beautiful, but this elegance is only skin deep. The attributes of the veneer door’s underlayment are the key which greatly enhances or diminishes the appeal of your veneer door, which is the best predictor of your veneer door’s performance over time.

Veneer is an excellent way to build a standard-sized door, but when you are reaching for door heights which pass the 8 foot mark or widths that are greater than three-and-a-half feet wide, you start running into the risk of door failure.

Even if you run into a problem with a standard sized door, it’s not too much of a problem, because factories (most offshore) are churning these out by the thousands every day. So, when your door fails, you just run down to your local hardware store and buy an inexpensive replacement door and you are back in business. This is often less expensive than hiring a millwork to service or repair your veneer door.

Large Veneer Door

Large veneer doors are an entirely different animal. These oversized doors do not come off of a conveyor belt. They are usually a one-off build by a highly skilled artisan or team of craftsmen who are building these big veneered doors according to engineered architectural specifications.

There are many things to take into consideration for a large door with a natural wood veneer on it. The first consideration is the veneer, itself. How thick is it? What will the substrate be made of? How will it be applied to the substrate. If, laminated, what is the method used, what adhesive will be applied, and how long will the lamination last, before it starts to delaminate?

Wood veneered doors are more commonly used indoors, as the thin veneer is not well-suited for exposure to the elements, such as in a large front door application. In this case, you would be better off using a thicker surface material such as an eighth to a quarter inch-thick wood stave skin (planks) for exterior doors.

Most importantly, you want to pay close attention to how the door will be made from the inside out, especially in large veneer doors over a standard 3-0 7-0 door? Why? Because they will warp. Almost any material used in building an oversized veneer door will move according to variations in the environment where the door resides.

I say, “almost,” because there is one way to build a large veneer door that will not warp.

Warp-free Veneer Door

If there’s one thing that the high-end custom veneer door manufacturers know, it’s that if it’s large and, “If it doesn’t have Sing Core inside, there’s no warranty.” Why? Because all large veneer doors move. That is to say, they warp, bend, twist, or delaminate, because they do not have Sing Core inside. All due to the movement of the door over time which breaks down all the necessary components and compromises the operation of the door.

Thanks to inventor Peter Sing’s invention of his engineered composite hybrid warp-free veneer door core, doors can be made to remain straight and true for years to come. They are also the lightest weight strongest (stronger than steel pound for pound) door blanks in the world which are also fully insulated for added sound deadening and climate control capabilities.

Even though Sing says, “We do not build doors,” he is responsible for some of the biggest most beautiful doors in the world that deliver the highest precision (Sing’s core boasts +/- .006-in. tolerances) most sustainable doors in the world with unsurpassed longevity. Each door with Sing’s core inside can be backed by Sing’s unprecedented,

50-Year Warp-Free Guarantee

This is the truth. Sing guarantees his doors to remain warp-free for 50 years. He has been providing the biggest and best door companies in the nation with warp-free door core. And if you ask these door companies, “Why?” They answer,

“There’s no other way to do it.”

There is no other way to build a big veneer door that will not warp without Sing’s core. That’s why we rely on Peter Sing’s invention to deliver the goods. And, as Sing says, “If it wasn’t true. If I couldn’t do it, even once, I could never offer that guarantee again.” And he’s still here without even one warped door in ten years.

How do you get Sing Core?

Increasingly, Architects are specifying Sing Core in all their high end essential large door projects. But if you want one, all you have to do is to go to your local millwork or large custom door manufacturer, and tell them what you want, but be sure to tell them, “I want Sing Core inside,” and leave the rest up to us.

It takes a village to build a large veneered door.

Architects and engineer’s work on the concept and the design, then there are the door companies and millworks who are responsible for the hardware and finishing aesthetics, and finally fine craftsmen hang and install the door.

Your veneer door with Sing Core inside is a one of a kind work of art.

That’s why you find Sing’s core in the tallest doors in the tallest building, on the top floor of the Freedom Tower at World Trade Center in New York, and anywhere from beneath the sea (US Navy) to outer space (NASA).

Let us help bring your dream door to life.

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The Biggest Door Secret in the USA

The most highly regarded secret of the largest door manufacturers in the United States is that their most high-end doors have Sing Core inside.

 

These are among the most profitable privately held companies in the country, and there was a time when they avoided taking on the hard jobs; those jobs that included large doors over 7 ft tall. Why? Because of customer complaints and returns. They were better off excluding that part of the job, and let the individual millworks fight over trying to deliver those big doors.

Then, the millwork that won the job would have to deal with the complaints of having to replace or continually service large oversized doors that were bound to warp and fail periodically over the life of the door.

That is, until these dominant door manufactures learned the true secret; that Sing Core empowers them to create the high-end doors which allowed them to expand and evolve into even more profitable door companies in the USA.

Why?

Because they could now provide the largest and most unique door creations with the highest precision (+/- .006-in) and the best guarantee, bar none, thanks to inventor Peter Sing’s patented and patent pending large door building technologies.

50-Year Guarantee

Whether they pass the guarantee onto their end users or not (as their company policy might be only to provide a 1-year guarantee, if any at all, as large doors are normally exempt from any guarantee) the resulting doors with Sing’s core inside are guaranteed for 50-years.

For fifty years they are guaranteed not to warp, bend, twist, delaminate, or otherwise fail for 50 years.

Zero Complaints

For many years, these companies who use this highly guarded secret, they have not had a single complaint, completely eliminating rejects, returns, and replacement doors, all because when necessary, they make sure their high-end doors have Sing Core inside.

We have been told that before Sing Core they constantly had complaints and recalls for these specialized large doors because they would fail due to warping or door or structure being compromised due to materials used or heavy weight.

The reason?

Sing Core is the only way to do it (that’s what they say) and they are backed by the best guarantee in the door industry without fail.

So, we highly recommend that you look into this if you would like to be counted among the best high end millworks and door companies.

How to Build the Best Wood Stave, Veneer, and Paint Grade Doors

Click the following links to discover how to build the best:

Secrets of high-end door building photos