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The Strength of Sing Core

Industry Leading Strength

We often mention Sing Core’s incredible strength and durability when talking about our door and wall panels, and we’re confident in that statement. As a customer, though, we understand that you may want more than just a promise in that regard, especially since our industry leading door and wall panels are so lightweight, they seem like they just can’t be as strong as the other options. Read on to find out why we beat out not only the competition, but full metal doors, as well.

What Makes Sing Core so Strong?

This is due to a few factors, the top of which being our patented honeycomb core that we use in almost all of our products. This wood and insulated core is designed in such a way that is incredibly strong, despite weighing a fraction of the other options. The interwoven lengths of wood provide a rigid structure that won’t bend, warp, or break. Plus, our doors are stronger pound-for-pound than steel. Then, our high quality insulation eliminates voids and protects against the harsh cold, sealing the warm air inside your home and helping to reduce your heating expenses.

While our honeycomb core is where the magic happens, we also laminate our panels with high quality wood to seal the core and add additional rigidity. By sandwiching our core between two high quality hardwood boards, we add another dimension of strength to our product. In addition, this provides impact resistance, as we don’t use cheap lumber like some of the other mainstream options. Overall, this provides a door or wall panel that can withstand tremendous force while still being so lightweight that it can often be lifted by one hand.

What are Some Other Benefits?

Sing Core panels receive other benefits from the strength of our cores, such as being 100% warp free. Due to our panel’s design, our products are guaranteed to never warp, and are protected by a 50 Year Structural Guarantee. If a door warps, many aspects of it and its function are lost or altered. For example, it may not latch properly, may form a gap, may distort the skin/finish on the door, may not open or close properly, and more. In addition to not warping, our doors are also incredibly impact and weather resistant. Kicking in one of our doors is more likely to break your foot than the door itself, and bumps, dings, and other forms of impacts won’t ruin or break through the outer panel. If, for some reason, your door does end up getting damaged, Sing Core panels are very easy to repair and return to full strength.

Why Should You Trust Us?

If we weren’t confident in the strength, durability, and integrity of our product, we wouldn’t offer a 50 Year Structural Guarantee. No matter what happens, if your door fails in any of the ways that we promise it won’t, we’ve got you covered. 50 years of promise means that we’re certain our door and wall panels won’t fail within that time, and even beyond.

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Operable Partitions Curtain Wall Room Dividers

Whether your specifications are for commercial or residential, Sing Core’s architectural panels are technologically advanced building materials offering superior performance in every category when compared to  traditional metals, wood, and other composite products, offering a superior alternative to traditional room partitions.

Case Study Comparison:

Traditional Partition Wall Panel
Sing Core Partition Wall Panel
Height: 25 ft
Height: 25 ft

1100 lbs


198 lbs


Just in the weight, alone, Sing Core leads the pack. While it may take a team of installers and heavy equipment operators to install traditional partition wall panels, Sing Core panels can be installed quickly and easily due to being so lightweight (which also means fewer on=the-job injuries)for considerably lower installation costs. That is only in the area of overall weight reduction, which also means less expensive hardware, less strain on hardware and structure, less maintenance. Beyond the issue of weight, Sing Core partition walls also have these characteristics: Eco-friendly, Superior strength, Insulated, Sound deadening, Longer lasting (50 year guarantee), Warp-twist-crack-resistant, and more importantly costs much less than you are paying now (possibly less than one-third the cost).

Note: this comparison is based on 3.5 inch thickness, even though Sing Core can achieve the same strength (or greater strength) in comparison at 1/3 the thickness of other material.



Sing Core office partitions are custom designed and manufactured to fit your space, the look and feel of the existing structure while maintaining the integrity of your design. Enjoy the benefits of insulation that sports a thermal barrier between spaces that also functions as sound proofing.


Sing Core’s versatility cannot be matched in terms of appearance, function, lightweight and superior strength raising the bar for quality, durability, sound deadening, quick and easy installation.

Aesthetically, your Sing Core wall partitions can host nearly any exterior surface material that is available, including soft fabrics, any wood species available, aluminum, ceramic, concrete, fiberglass, stainless steel and is even available in fire-retardant and bullet-proof varieties.


You’ve never had access to a more effective room divider for your home, office or commercial space; and when it comes to supersized wall divisions, Sing Core says, “no problem.” We provide systems that have operable partitions that are 37 feet tall, and we welcome any design challenges that architects or designers might be struggling with.

Confidently, we routinely provide the best solutions for oversize applications up to 50 feet high, that can be guaranteed true flat, resistant to bend, warp, twist, crack and can be structurally guaranteed for 50 years.

Plus, compare the advantages of a partition wall system that can be any height, yet a fraction of the weight. That means less transportation costs, no heavy equipment is necessary for installation, significantly less strain on the hardware and structure and fewer on the job injuries. That’s why you’re likely to see Sing Core in New York City and around the world.


In commercial settings, airports, warehouses, schools, church and religious institutions, hotels, convention centers, ballrooms and banks Sing Core moveable wall partitions excel in performance, dimensional stability are lightweight, Eco-friendly and a fraction of the price of other commercial partition systems.

Sing Core moveable walls are the most thermally efficient, lightweight curtain wall resistant to contraction and expansion for energy savings and guaranteed true flat, whether exterior or internal curtain panels.

wall-partitions-large-oversize-lightweight-stronger-than-steelSing Core provides the best demountable wall solution for an extensive range of applications, including: educational, corporate, healthcare, manufacturing and other controlled environments and – in comparison to other wall systems that can take days to assemble a wall system – the Sing Core modular advantage ensures quick and easy installation with very little labor or equipment needed. Your Sing Core room partitions can be installed in minutes.

Sing Core partition walls can be configured to be mobile or foldable room dividers that can be flat-packed instantly transforming any area into multiple partitioned spaces achieving maximum utilization of your precious floor space.


Your office décor and functionality will exponentially impact your office design by using Sing Core’s room partitions and cubicle walls. These Eco-friendly, lightweight, yet stronger than steel office solutions are the best office design ideas to achieve more productivity from your workspace. By simply adding our wall partitions, your office layout is maximized by installing the partition walls that make all the difference.

Even in heavily cubicle-laden environments, Sing Core offers cubicle walls for sale that are far more effective and much better than other office partitions as these room partitions are more insulated and have acoustic separation qualities that are not seen in other traditional office partition walls. The Sing Core cubicle wall panels help to maximize your office design ideas creating superior workstations while retaining the integrity of your office layout.

partition-walls-large-oversize-lightweight-stronger-than-steelUsing Sing Core’s panel partitions and dividers, you can easily modify your existing space to achieve maximum efficiency in your office space and increase privacy while your company expands. This is an effective, inexpensive alternative to having to lease out cheap office space while experiencing growing pangs. Easily customizable to any office configuration, the systems can include cubicle dividers and partition separators, creating unique and cost-effective alternatives within your existing space.

Executive washrooms deserve the Sing Core treatment. Enjoy increased privacy, insulation and acoustic separation qualities of Sing Core in your restroom toilet partitions, bathroom partitions, bathroom stalls, restroom partition walls and commercial toilets.


moveable-walls-pocket-room-dividers-closedmoveable-walls-pocket-room-dividers-openRegardless of whether you are at work or at home, sometime you need to separate two different spaces, and other times you need the extra open space for events or activities. It’s all about maximizing the usage and potential of you available space, reducing your costs and/or increasing your quality of life without compromising lifestyle or performance.


Only Sing Core operable partitions, curtain walls and room dividers are true flat and are guaranteed to stay flat for lifetimes. Unlike other lightweight solutions, only Sing Panels are nearly indestructible. In fact, if your Sing Panel is damaged – for any reason – Sing Core will repair your panel to its original strength. The inventor says, “You cannot break a Sing Panel. If you kick it? You will break your leg.”


In residential applications, Sing Core partitions are modern room dividers that can be used as bathroom partitions, dining room décor, privacy screens and wall partitions. Your designer or architect will re-imagine your living space as they design your room including our partition walls which are some of the most elegant room dividers in NYC. Whether your intent is to design a bedroom, home office, den or family room, these modern room dividers can also function as a folding wall.


Note: Costs are based on basic paint-grade panel production. Hardware, finishing and installation are not included.

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

To order Sing Moveable Walls 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 Moveable Walls 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.

Quantity/wholesale prices available upon request

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Creating the Right Sing Panel

The experts at Sing Core have years of experience in solving the difficult issues that face architects, designers and contractors when face with challenges dealing with uncompromised structural integrity and weight restrictions. Oftentimes the secret to the proper solution depends in a combination of Sing Core and various surface materials. The skin or surface material is not only the appearance of the Sing panel, but it is critical for the true flatness and smoothness which easy to use as paint grade, strength and affects the overall weight. Click here for architectural specs.

Sing Panel comes in three different varieties: Standard, Professional and Hot-Press-Ready-Series

1 True Flat

Surface skin should use same material if possible. The surface material should use less porous materials to avoid moisture absorption. Aluminum is superior to none moisture absorbing MDF, Masonite, etc… The aluminum can be paint grade by using acid etching primer, or other alternatives include adding plywood, particle board, MDF on top of the aluminum using a hot or cold press with veneer or wood stave to create a wood grain doors or panels.

2 Thickness of Skin or Surface Materials

We use material as thin as .020 aluminum, HPL to 3/4 inch, AB plywood and marine grade plywood is the most integrous choice due to the non-void high quality veneer used as plywood core. The most common skins include 1/8” plywood, 1/4″ plywood and 3/8” plywood. But if you are in need of a one-inch thick door that is 20 ft in length then aluminum will be the best option. Please contact us if you need help.

3 Strength

The strength depends on the thickness of the panel. For instance, if you double the thickness it will be 4 times the strength. The thickness of the skin could make up the extra strength but increasing the thickness to gain strength will result in added weight, which may compromise the end result. The answer is usually a combination of matching the right Sing Core width with the appropriate surface material to achieve the desired results without loss of structural integrity or unnecessary additional weight.

4 Sing Core Grids Size Selection

There are 3 types of Sing Core grid sizes:

  • LARGE: 16 square inch
  • MEDIUM: 9 sq inch, and
  • SMALL: 4 square inch

The smaller grids have higher compression strength. Mostly common used are 3 inch x 3 inch at 9 sq inch or equivalent. For extremely lightweight panel, the largest grids size will be the proper choice.

5 Foam Options

Sing Core standard foam which is used to bond and fill the voids in the internal torsion box structure is constructed with EPS foam w/R-value=3. When clients require more stringent values to meet their specification in terms of better sound deadening, higher insulation value, or water resistance then urethane foam will be the idea material to make up the foam part of the Sing Core structure.

6 Solid Wood or Solid Material Implants

The most common materials used in patented Sing Panels includes solid wood edges and standard implant materials are Douglas Fir or soft wood, and poplar. In addition to solid wood edges, other options include aluminum, plastic and FRP (amongst other custom options that can be matched to your specifications) are commonly used to seal the edge to match the skin material. Unless specified otherwise 12″ x 2″ lock blocks are inserted on both sides 28″ from the bottom of the door.

7 Oversized Sing Panels

We can build panels 10 ft wide 50 ft in length on one solid piece that are nearly seamless with extremely high precision. The joined areas will not move according to the moisture or temperature change. This is an example of our integrous true flat technology.

The low cost solution to build a large door is to use our standard 4 ft x 8 ft panel to join together or edge glue, or use plywood strips connect those Sing Panels together. This type of large panel will not be as flat as our factory built oversize Sing Panel but it will be lightweight and adequately stronger than the most common stile and rail solid lumber doors or walls.

8 Fire Retardant Doors

Sing Core fire retardant doors use 3 mm magnesium board or cement board, ceramic tile and light gauge sheet metal as skin(s) to create fire barriers. These could include added wood stave or wood veneer as final skin for the wood grain or paint grade finish. See specifications.

9 Water Resistance

We suggest using urethane Sing Core for water resistance. Urethane foam is closed-cell which does not absorb moisture and/or water. The adhesives we use are water resistance glues. The skin choice for water resistance will usually be aluminum, FRP or marine grade with proper coating.

Click here for architectural specs.

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Lightweight Green Patented Plywood Export to Asia

Monday, July 18, 2013    For Immediate Release

The first container of green patented plywood exported to Asia is the start of something new. Inventor, Peter Sing from McCleary, Washington, invites Americans to join his grass roots eco-revolution.


This might be the first container of a new, lightweight plywood manufactured in the United States of America’s Pacific Northwest exported and received in Bangkok, Thailand.

In a world where little is exported to Asia, especially in the way of wood products, like manufactured plywood because the end product can be manufactured more inexpensively outside the USA, it is interesting that one American company would find an open market in Asia.

SingCore-above-Bangkok-ThailandWhy would Asia import this particular product from the United States?

These finished panels are extremely unique and meet increasing demand for new manufacturing standards being adopted overseas and are now seeing the light of day in America.

The first concern is that the construction industry is seeking more eco-friendly, sustainable solutions for building projects.

In this case, one of the tallest buildings in Bangkok was seeking to find a solution that met the biologically sound agenda with superior strength. The solution to the problems faced by the Thai engineers was discovered using a simple Google search for “lightweight panel” solving not only the ecologically friendly problem, but was also extremely lightweight, super-strong and has a longer lifespan than similar plywood-type products.

The patented Sing Core honeycomb panels were manufactured under the guidelines and supervision of inventor, Peter Sing in McCleary, Washington, who also holds the patent on the Sing Core technology.

According to Inventor Sing, “Sing Core honeycomb panels are lighter weight than paper-core products; stronger than any material including titanium with the same size honeycomb grid for maximum compression; made using less energy and raw materials and less waste than any other similar materials; are manufactured from natural and recycled materials that are renewable and earth friendly… plus,” says Sing, “In a society that has become accustomed to most everything being inexpensive and disposable, we provide Sing Core as a solution that will last for centuries.”

While Asia has been accused recently of dumping plywood solutions (providing under cost in order to decimate the market) to the Americas, resulting in a mandatory 25% duty to offset their economic impact on domestic products, the American-made Sing Core solution is launching a grass roots revolution to return pride to the United States, while providing local jobs, supporting local communities and economies while reducing the greenhouse effect at home.

The unconventional strength is achieved by Sing’s patented design utilizing a vertical-grain wood honeycomb filled with a foam core, that when sandwiched between two laminates is 10-times the strength of traditional plywood solutions, maintaining straightness or flatness over a large span of material.

Sing-Core-Long-Carry-Bangkok-ThailandThis project represents less than a tenth of one percent of the solutions that Sing Core technology provides. Peter Sing says, “Sing Core can be used in thousands of applications from furniture manufacture to huge structural challenges. One practical application that we are known for in the USA is for large doors, because ours are so lightweight, stronger and more eco-friendly than anything pound-for-pound and maintain their integrity while lasting hundreds of years.

“We supply to the companies that build products for the President, Statesmen, Prime Ministers, Kings and the Pope, because,” Says Sing, “This is the only eco-friendly solution that solves all the problems of oversize integrity, strength, lightweight and will pass the test of time.” Although high-end clients are currently using this technology, Sing says he wants to bring it to every household stateside; then he plans to take his invention to the rest of the world.

Sing core is an improvement over existing wood components due to its use of less than 10% wood product with the grain perpendicular to the surface of each panel to form the honeycomb matrix sandwiched between two skins of any desired material; it is this design problem/solution that led to the development of his invention which Mr. Sing expects to be a common household name used to describe a new level of quality standard in manufactured products.

Sing Core technology can be applied to nearly any building material including (but not limited to) concrete, metals, fiberglass, plastics, even bulletproof skins can be used, like Kevlar.

Inventor, Peter Sings, wants to take his patented technology to the streets in a grass roots revolution to support working class America, as well as manufacturing facilities across the United States via his virtual training facility, “Lightweight University.” The intricacies and possibilities of Sing’s patented innovations can be shared on an equal platform by participating Americans, whom Sing regards as “consultants” rather than students.

The University is open to all Americans who want to help us build a more sustainable future while shoring up local economies. He says, “Of course the University is open to the manufacturers that we work with, but they are large corporations. My goal is to put this technology into the hands of the people, to put them to work so that they can support their families while making the world a better place.” In making his program available to, “everyone,” he is offering scholarships to those who might need a helping hand in embracing these technological advancements.

one-man-beam-carrySing explains, “I want to help the one-man operations, mom-and-pop shops and small businesses get back on a profitable track in life and help them achieve a better bottom line by producing products that are superior quality, at a lower base cost than conventional materials, including, scholarships, grants and subsidies for Sing Core for low-end solutions enabling them to compete with lower-quality inexpensive import products.”

What does it take to start up a Sing Core manufacturing facility? Peter Sing answers, “It’s easier than you think. We show you how to set up your manufacturing facility in less space than a single car garage, how to make your own Sing Press with our materials; and we even supply our students with Sing Core at their location on consignment. That means they only pay for the product that they use, as they use it, on demand.”

And it takes less time to learn this new green technology than you might think. Sing explains, “There is no need to go to school for four years to get a job. I can show you how to do this in two weeks, and I will even give you the material that you need to get started.”


For more information, visit: http://www.singcore.com and/or http://www.lightweightuniversity.com respectively.

Contact: Peter Sing

Sing Core

P.O. Box 1691, McCleary, WA  98557