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Large Sliding Bottom Rolling Doors

You will find Sing’s super large, oversized bottom rolling large sliding doors in use over a wide variety of industries such as aviation, commercial, agricultural, and industrial applications.

If you are looking for a lightweight oversized large sliding door that is stronger than steel pound for pound your solution to the size vs. weight ratio has finally arrived.

Due to inventor, Peter Sing’s patented and patent-pending large door technologies, door designers, and engineers of architectural doors have been empowered to take their conceptual contemporary ideas to the next level.

Now, even the largest of sliding doors can become manageable as complete solid units or as modular systems ready for assembly on site, with less need for heavy equipment with reduced threat of on the job injuries which is an ever-present risk when dealing with traditional large sliding bottom rolling doors, but not if your design has Sing Core inside.

These revolutionary lightweight and high-strength materials are having a huge impact on contemporary architecture and design especially in groundbreaking projects involving the largest rolling modern sliding doors in their respective industries.

Government and military applications now have a lightweight high-strength substructure made of Sing Core which can handle the added weight of any heavy weight additional material which may be soundproof and/or blast-proof, reducing the overall weight to one-third or less without compromising safety, security, or high performance.

And no other Eco-friendly, lightweight, dimensionally stable, and insulated building material is more high-precision (+/- .006 in.), stronger than steel (660+ PSI), or sustainable, which comes with a full 50-year warp-free and structure guarantee. 50 years!

When used as substrate material, the added insulation, which is also an integral component of Sing Core’s structural strength, helps add sound deadening characteristics while increasing climate control capabilities of any end product encapsulating it, saving lives and energy.

From beneath the sea (US Navy) to outer space (NASA) and throughout industries everywhere in between, Sing Core is changing the manufacturing methods when approaching the latest developments in the design and deployment of the largest sliding bottom rolling doors.

Whether inside the aerospace flying structures of the top aviation companies or the structures which house them while they are on the ground, lightweight high-strength Sing Core is making huge improvements in performance and reduced maintenance costs over time, when compared to traditional manufacturing methods inside and surrounding large aircraft designs.

While Peter Sing’s patented core material could be used in nearly any phase of construction, and has been used to build entire structures, from foundation to roof, everywhere in between, including most all interior furnishings, it’s premiere use with the highest degree of noticeable increased performance, is when it is featured inside any large rolling slider door system.

Steel buildings are made of it, without the need of a structure frame, which is having a noticeable impact for designers of modern metal building systems and the contemporary architects who are specifying Sing Core in their designs.

Large rolling doors with Sing Core inside can be used in any specific configuration, such as bi parting sliding doors, single-stack sliders, sliding doors floating, or fully suspended doors of large or enormous size.

Keep in mind that Sing’s large sliding bottom rolling door solution is not an out-of-the-box one-stop solution as Sing only provides the base door material which can be covered in nearly any flat building material in his factory located in the Pacific Northwest in Washington State.

Routinely, Sing’s base material is sent to metal fabricators, machine shops, millworks, or custom door manufacturers who supply the finishing details, prep for hardware, and arrange for installation of the behemoth sliding doors.

Not only are Sing’s base door manufactured in the United States but all the material inside these extraordinary one-of-a-kind door blanks are local sourced and each one is like an individually unique work of art fully made in the USA.

If you’re in the planning stages of your next project which may potentially feature large sliding bottom rolling doors, shouldn’t you check with your architect or door designer to see if you should have Sing Core inside your door?

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A Low Cost Alternative Way to Build Very Large Sliding Doors

Although not as tough as our original one piece door designs with a 50 year guarantee, our segmented doors still come with our patented Sing Core structure inside and carry a 5 year warp-free guarantee. And, they can be sold at a much reduced price.

In the past, very large and oversize specified doors were often made as a single piece and shipped whole to the contractor for installation. This is particularly true of very large pivot doors and sliding doors. With modern door construction techniques pioneered by Sing Core large doors can be produced and shipped to the customer in several pieces. These segmented doors pass on savings to the customer while maintaining the highest quality standards for warp free door construction.

Benefits of Modern Segmented Door Construction

Building a door in sections provides numerous benefits without compromise in strength, lightness, and flatness:

See Them Come Together

More Efficient to Build

Constructing a door in smaller sections makes the door easier to handle in the factory and easier to produce in general. Having more manageable sections leads to quick and efficient construction, at a cheaper cost. Doors constructed with our modern sectional approach pass on savings to the customer.

Cheaper to Ship

Doors cores produced in sections are built to be convenient and cheap to ship compared to a door built in one piece. This may reduce shipping costs payed by the customer to receive their door purchase.

Easier to Handle

Very large doors constructed in segments conform to common sizes. When you receive the door at your site handling it in segments is usually more natural for workers used to traditional sized doors than and 4×8 materials than handling an extra large door. Leaving joining the door until it reaches the site cuts costs and saves time all the way from our factory to your building site.

Strong and Stable

Sing Core doors shipped in sections and assembled on site maintain the highest standards for strength, lightness, and straightness. At Sing core we guarantee warp-free performance of segmented doors for 5 years.

How to Assemble a Sing Core Segmented Door

Assembly of a modern sliding door constructed using Sing Core technology without any specialized tools and equipment.

1. Lay Each Panel Flat

The first step to join a Sing Core sectional door is to lay the panels on a flat surface. Any flat clean surface will work. For very large doors we like to use two straight beams laid on the ground along  to hold the top and bottom of each door segment.

2. Slide a Spline in to One Side

Each spline and pocket are precisely cut to fit with strength. Our products are built with our 5 year warp-free guarantee in mind. Simply push or lightly hammer the spline in place on one side of the joint. Then your panels are ready to be fit together.

3. Joining the Panels

The final step in joining a modern sliding or pivot door is to press the sides together. This can be accomplished a variety of ways, including gentle application of a sledge hammer, a few ratchet straps, clamps, or any other means you have of providing joining force. Once joined, the door is strong and secure, built to last, and can be finished and installed as any other Sing Core door.

How to Build a Modern Door

 

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Large Sliding Doors

If you’re looking for the best in large sliding door design, you’ve come to the right place. Sing Core specializes in creating the ultimate sliding door experience. That’s why you see Sing large sliding doors everywhere on planet earth and beyond, from beneath the sea (US Navy) to outer space (NASA) and everywhere in between.

The only 50 year warp-free guarantee and full structure warranty

large-sliding-door

Sliding Doors

The deal with sliding doors is that you want your sliding doors to remain straight and true throughout their service life. Architects, designers and end users face the issues associated with the problems associated with sliding doors, such as,

Problems with Sliding Doors

The first problem with sliding doors is that they tend to move (warp, bend, twist or cup) compromising the doors’ performance. Especially in the case of sliding doors because they hang parallel to a wall (like sliding barn doors), another door (such as double sliding doors) or within a wall (like sliding pocket doors). If the door does not stay straight, it can wreck either the sliding doors or the surfaces they slide against, or both.

Heavy Sliding Doors

One way to deal with the problem of warping sliding doors is to build them using extremely heavy and warp resistant materials, such as steel, which introduces whole new set of problems, which will increase maintenance costs over the life of the door. Even though the heavy sliding door may not warp, it will require expensive heavy duty hardware (which can cost many times the price of the door itself) which can easily be compromised due to regular use, as well as the added stress of using a heavy door, will add stress and strain to the frame and structure, also requiring additional maintenance over time. Some architects and designers might consider using a lighter weight metal, such as,

Aluminum Sliding Doors

Of course, aluminum sliding doors make more sense; though contemplating the use of solid aluminum sliding doors will still introduce the problem of heavy weight. One way to manage the weight of the door is to use a honeycomb material, such as aluminum honeycomb, paper honeycomb or some other type of honeycomb material inside the otherwise hollow core sliding door. The only problem with that is that as you introduce a lightweight substrate, the door begins to warp again, especially if they are exterior sliding doors.

 

Wooden Sliding Doors

Ah, the elegance and beauty of natural wood. We love it and exotic wood grains can instantly garner the awe and attention of anyone spying a large sliding door made of wood. This is why many large sliding doors are wooden sliding doors. As magnificent and appealing as they are, wood is the worst culprit of all, because it can barely sit still for as long as you can. Due to wood’s natural characteristics, it is most prone to warp, bending, twisting and cupping, because even separated from the tree, it still fights for survival and the grain will either expand or contract due to the elements it is presented with. Exterior doors are the most problematic because one side faces the interior space, while the other side faces the elements outside, a perfect recipe for door warp.

Large Sliding Doors

The bane of perplexed custom sliding door manufacturers is the additional challenges with doors which are taller than 7 ft. tall and wider than 3.5 ft. Very few, if any, custom door manufacturers or millworks will even consider guaranteeing a door over seven feet tall. Why? Because they know it is going to fail, and they will be called upon to deal with it. In most cases, the job as a whole will have a warranty on the work done, with the exception of the large sliding doors which are normally noted as exceptions to any warranty that might cover the rest of the job. That is, unless you know the answer to the problems associate with large sliding doors.

Sliding Door Design Problems Solved

Architects and engineers are constantly perplexed with the problems associated with sliding doors, fortunately an Eco-friendly composite solution made in the USA, helps to solve the problems associated with faulty sliding door design. Patented Sing Core, along with their true flat door team, can help to create sliding doors that will remain straight and true far beyond the service life of any other sliding doors. By working with Sing Core’s design staff a combination of Sing Core and patent-pending sliding door stiffening solutions can create perfect sliding doors that are lightweight, high strength and can be guaranteed not to warp, bend, twist, cup or otherwise fail for 50 years.

The Perfect Large Sliding Doors

The best custom door manufacturers and millworks who offer long warranties on their large doors have a secret inside each one of their high end professional sliding doors: Sing Core inside. A properly designed and built large sliding door with patented professional Sing Core inside can be guaranteed not to warp, bend, twist or otherwise fail for 50 years. How do you know if you have the best large sliding doors in the world?

Image on the left is a modular large 8×10 door shipped in a pair of 4×10 components cam locked together on site for near seamless paint-ready perfection. Image on right is close-up of near-seamless connection.

It’s easy; just see if your sliding doors have the following Sing Core sliding door characteristics:

Eco-friendly
Lightweight
High-strength
High Precision
Fully Insulated
Warp-free
Sustainable Long Life
Made in the USA

When your sliding door company claims they are providing you with the best sliding doors possible, you can rest assured your large sliding doors will pass the perfect sliding door test by being manufactured using Eco-friendly Sing Core which uses less energy, renewable, sustainable and non-toxic ingredients to create its vertical grain torsion box composite core. Sing Core sliding door core is lightweight, weighing approximately 10% the weight of solid wood-based door cores. The high strength of Sing Core outperforms any other sliding door core material, independently tested to rate at least 660 PSI, which makes it stronger than steel pound for pound.

Other sliding door core materials do not create a high precision base due to product production inconsistencies or welding, while Sing Core is the most high precision at +/- .006 inch. Only perfect sliding doors manufactured with Sing Core inside can remain warp-free. Sing Core is fully insulated imbuing the best sliding doors with climate control (R rating) and sound deadening qualities (STC rating*) for greater safety and security. Professional Sing Core sliding doors can be guaranteed not to warp, bend, twist, cup or otherwise fail (including full structural warranty) for 50 years, assuring your large sliding doors sustainable long life, while being proudly made in the USA.

Yes, you read that right. The perfect large sliding doors are the only ones that have a

50 Year Guarantee

Now you know you have the perfect large sliding doors, if they have Sing Core inside.

Other Types of Sliding Doors

You can enjoy all the available types and styles of large sliding doors that can accommodate and size without compromising strength or weight, such as sliding French doors, patio sliding doors, mirror sliding doors, folding sliding doors, sliding pocket doors, double sliding doors and sliding folding doors, just to name a few.


Now that you know how to determine what are the best large sliding doors are supposed to be, you can get the perfect large sliding doors wherever you find custom sliding doors for sale and tell them you want all your doors to have, Sing Core inside.”

Sing Core and More

Patented Sing Core enables architects and designers to let their creative genius run wild by incorporating Sing Core in all their projects, not just for large sliding doors as Sing Core is also available in panels, posts and beams to enhance the capabilities of any large scale project which may encounter problems associated with strength and weight.


 

* Note: STC rating varies according to size, thickness, skin, and other factors. Sing Core does not rate doors, although we are fortunate enough to have one of the best sound testing labs in the world, here in the Pacific Northwest. If you require a specific STC rating, Sing Core can build a door to your architectural specifications and have the resulting door tested at our rating facility for an official rating.

 

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Millworks Crestmark and SingCore

Celebrating 19 years of serving customers with high end custom products, Crestmark Architectural Millworks is a dynamic and fast-paced company serving the millwork needs of commercial builders and general contractors in the San Francisco Bay Area and beyond.

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The Crestmark Architectural Millworks Team

One of Crestmark’s special abilities is to work hand-in-hand with the contractor to achieve the architect’s vision in a creative process involving the delicate balance of high precision and performance, visual and mechanical aesthetics, logistics and budget considerations.

According to President Sean Olsen, “We have a reputation of being very creative, using products like SingCore to achieve what the architect wants, while making it a practical thing to do.”

A case in point: Crestmark was approached by Webcor Builders to provide solutions for the San Francisco Museum of Modern Art (SFMOMA), who required a sensitive artwork storage area with very low volatile organic compounds (VOC) and unique design characteristics, such as 10 foot tall cabinet doors with hidden hardware and 1/8 inch reveals between doors. Crestmark Senior Manager, Jim Farahmand, says “Regarding size, weight, and stability concerns, it was obvious conventional composite cores were going to be prohibitive.”

Originally, the Crestmark team had discovered SingCore as a resource for “building 16 foot torsion box shop table tops that needed to be dead-flat.” Says Olsen, “We looked at SingCore and thought it was light and had the look the Museum required as well as stability sufficient for the application.”

“SingCore’s engineers and fabricators were flexible and able to provide a fully sealed core, custom blocking, aluminum cladding, and facing materials with paintable surfaces to satisfy the architect’s stringent requirements.”

Production Manager, Patrick Silva, recalls how easy the SingCore material was to work with, “I was surprised at how light the material was. Normally a four foot by ten foot door core weighs a couple hundred pounds, but instead it was light enough almost to handle the entire piece myself,” Silva continues, “I’ve had issues with warped panels before, and to have this material which is so nice, flat, stable and easy to work with is great.” Silva also applauds the support staff at SingCore in terms of pre-engineering the panels to, “have slightly larger perimeter blocking and aluminum cladding so that we could trim them down and band the edges in our shop.”

Once the cabinetry was installed, Crestmark’s installation crew were able to maneuver and align the doors to the cases, and report that “the weight factor of the 10 foot tall [SingCore] doors was a huge advantage,” recalling that the installation of the cabinetry into the wall was the most challenging part of the job, not attaching the large doors as one might expect.

Project Manager, Jim Farahmand reports, “I don’t think we’ve ever seen such stringent specifications on anything quite like the SFMOMA due to the mediums they wanted to protect, and SingCore came through in fine style.” and added, “The product was instantly acceptable to the architect, so we were able to move forward very quickly and get it done.”

Having successfully completed prominent projects like the SFMOMA expansion has brought in other quote requests from new potential clients seeking out Crestmark’s particular brand of problem-solving and creative millwork solutions.

Initial invitations to bid can range from very complete, with detailed architectural specifications, to rudimentary drawings and concepts. It’s important for Sean Olsen and Jim Farahmand to decide which projects are a good match for Crestmark’s services because even though they do not charge their clientele for estimates, they may invest an entire week to estimate one millwork package. Exercising discernment, the Crestmark team reviews each new proposal, deciding which project to invest in.

Airbnb, Inc. was one such new client who approached Crestmark with plans calling for “two large sliding doors 20 to 25 feet long by 9 to 10 feet tall that could be operated on either side of a concrete wall.

“SingCore offered us the flexibility to provide a lightweight, multi-panel solution that could be assembled on site with internal blocking where we needed it to accommodate the hardware.”

Patrick Silva interjects “These two huge sliding doors were clad with White Oak, wire-brush finished, and could have weighed thousands of pounds… but instead, we made them weigh a couple hundred pounds apiece.”

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President Sean Olsen

Crestmark President, Sean Olsen says, “For two people to be able to handle these huge doors from the shop, to stage it, disassemble it, transport it to the job site and not have to worry about access, saves both time and energy, which is a great advantage.

Silva asserts, “The fact that anybody can open these doors single handedly is clearly not simply a function of the hardware, but rather because the door is so light. It’s an impressive application.”

Senior Manager, Jim Farahmand reinforces, “To take the pieces we’re provided, not to have to move mountains to make it happen and to end up with this monolithic feature that people are in awe of is a clear indication of how versatile SingCore can be.

“Our confidence in our vendors like SingCore enables us to arrive at solutions quickly because we know the material will perform well within the limits of its component hardware; the engineering goes a lot more smoothly and we know SingCore also stands behind their product.”

“As far as warranty goes, if the customer requires a ten year warranty on the doors we’re providing, we know we’re covered by SingCore’s fifty year warranty, and so our response can be ‘OK. No problem,’ which is great for us and instantly reassuring to the client.”

Crestmark Architectural Millwork is optimistic about the current trend of growth in the industry. According to President, Sean Olson, “The market is turning around and we’re seeing continued growth in negotiated work again.” Unlike the last eight years that were focused on hard-bidding which was a difficult time industry-wide.

Jim Farahmand says, “SingCore’s team of engineers can assist us if a secured client is facing budget issues, often helping us to value-engineer the products while still helping the architect achieve the vision they’re looking for.”

crestmark-architectural-millworks-arcata-california-707-822-4034

Crestmark Architectural Millworks
5640 West End Road
Arcata, CA 95521
Phone: (707) 822-4034
Email: info@crestmarkam.com

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SingCore
P.O. Box 1691
McCleary, Wa 98557
Phone: (360) 495-3577
Email: info@singcore.com

See also: AWI Millworks

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Large Oversize Sliding Door Testimonial

Check out the new doors for one of the world’s largest distributors of mint oil! We were really happy to build two sets of large oversize doors for an essential oil warehouse recently. One pair of panels became the double door set opens to the sides (left), while the other set of three rolls off to the same side (right).

Large, oversize sliding door experts

Large, oversize sliding door experts

It was important for the customer that the doors fit their doorway shape and be easy to roll. These sliding doors have a patented torsion box foam core that will keep them lightweight and smooth rolling. The series of three rolling doors link together and slide so easily that one person can push it open with just one finger.

Lightweight sliding doors stronger than steel

Lightweight sliding doors stronger than steel

The customer was satisfied not to need special slider tracks for our panels. Even though the doors are enormous, they don’t have the weight problems of solid core doors.

Strong, thin, lightweight sliding doors

Strong, thin, lightweight sliding doors

 

When Peter hand delivered the panels, everyone was smiling because they knew they had made the right decision in purchasing Sing Honeycomb Panels.