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Large Metal Doors

Sing core has had a large impact in the large metal door marketplace relieving many of the frustrations associated with working on projects featuring large metal doors.

Large hot rolled steel sliding door with man door

Large hot rolled steel sliding door with man door

Peter Sing, the inventor of Sing Core, is proud to assist the industry with an insulated Eco-friendly alternative to making high precision large metal doors that are lightweight, yet stronger than steel pound-for-pound.

Sing Core’s modern steel doors are specified by architects, engineers, and designers for some of the top companies, organizations, and military operations across the United States of America.

If you have a large metal door, like a steel prehung commercial door, you might not know it has Peter Sing’s invention, Sing Core, inside, unless it’s a large metal door that’s lightweight and came with a 50-year guarantee.

Sing’s core is available only to the best large custom metal door manufacturers, enabling them to create large pivoting metal doors which can be guaranteed to be dead flat, straight and true, for 50-years, including a fully-backed structure warranty.

Hot rolled steel door being finished to install

Hot rolled steel door being finished to install

You will find large metal doors with Sing Core inside as steel front doors, steel pivot doors, and other types of commercial steel doors across used domestically and among the military branches of service and NASA.

These oversized steel doors are made with Sing’s patented solid composite core system which fully insulates the steel door system resulting in steel doors that can be lightweight yet yield high ratings as steel sound isolation doors with accompanying STC ratings.

Only the best steel door manufacturer offers the ultimate steel door system that has Sing Core inside for their STC-rated metal doors.

No longer are you limited to low performance hollow metal doors because now you can have a fully insulated solid core steel door made with the highest precision core (+/- .006-in.) with the highest strength threshold, such as 660+ PSI.

Architectural Steel Doors

More and more you are finding Sing Core in the specifications from architects who seek to deliver the best results for their most high-end clientele. Sing partners with the steel door manufacturer enabling them to deliver prefinished steel doors, metal framed doors, metal fire doors, large metal double doors, even metal aircraft hangar doors with 50-year guarantees to their clients.

This is an entirely new approach to the design of architectural steel doors of yesterday. This revolutionary technology provides more safety and security with increased sound deadening properties and added climate control without having to resort to other technologies which are heavy in weight.

That means you can have a stainless-steel door in operation as a metal security door, or a large industrial plate steel door installed in a commercial or industrial environment which can be virtually maintenance-free for 50 years.

Even steel garage doors and Sing’s residential steel doors are popping up all over the country with Sing Core inside, though admittedly only in the higher-end multi-million-dollar estates.

If you’re looking for top of the line commercial metal doors, steel entry doors, or any size of metal door with glass, you might think about specifying you want, “Sing Core inside” your next

Now you can have an Eco-friendly advantage in any type of large metal doors across the spectrum from a standard steel building door to metal aircraft hangar doors which can measure 40’ by 60’ in size. These exceptionally large metal doors can be shipped in modular components which can be easily assembled on site without sacrificing precision or quality.

Thanks to Sing Core the bar for the metal door manufacturing of heavy-duty steel doors, and impact doors has risen immensely, and Eco-friendly Sing Core is the discerning factor in taking a sustainable look at reinventing metal door assembly.

Whether you’re looking to design a larger steel door that makes a difference in a more conscientious world or looking to increase safety and security by specifying your next steel slab door, you might want to give the friendly folks at Sing Core a shout out.

They also help the best metal shops create high-end aluminum doors, bronze doors, copper doors and metal swinging doors of many forms and function.

How to Get a Sing Large Metal Door

Its easy, just visit or call your local custom metal door fabricator and tell them you want “Sing Core inside” your metal door. Sing Core will work hand-n-hand with them to provide you with the best large metal door available in America today.

And, “Yes,” Sing Core was invented in America and is proudly made in the USA to reach your highest expectations.

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Metal Doors

When it comes to metal doors, Sing Core is one supportive resource behind the scenes that you may not be aware of, and is the proud creator of some of the best metal doors in the industry.


Although metal doors are traditionally incredibly heavy, Sing Core technology gives architects and door manufacturers the ability to create lightweight doors without compromising strength. This is especially true if you are looking for security doors. Additionally, our doors also have the added benefit of being eco-friendly, made in the USA, insulated, and sound-deadening.

Metal doors hot rolled steel doors in a row

Hot rolled steel doors in a row

It’s very important that doors be operable, especially pocket doors, bypass sliding doors or double sliding doors. If your metal doors are large in size, or in use as steel security doors, then other challenges must be taken into consideration in the architectural design and specification of your metal doors.

Metal Automatic Sliding Door

When looking for the best metal automatic sliding doors, you want hassle-free installation, low maintenance, and high-quality doors. If your sliding door is missing any of these components, it causes undue stress on the automatic sliding door hardware and the structure that houses the hardware. This can lead to more expensive maintenance issues over time. However, Sing Core doors can avoid these issues by providing lightweight, high-strength, and warp-free door cores that are guaranteed to last for up to 50 years.

Large metal automatic sliding doors with Sing Core inside

 

Warp-free Metal Doors

Only metal doors with Sing Core inside can be guaranteed to remain warp-free for 50 years. This means your metal doors can be guaranteed not to warp, bend, twist or otherwise fail for 50 years, including the full structure warranty of the door. Plus, the lightweight and high strength characteristics of the door, means less maintenance necessary over time, truly a breakthrough in architectural metal door design specs.

Hot Rolled Steel Sliding Doors

These Hot Rolled steel doors are among the lightest weight hot rolled steel doors for the ultimate architectural panel.

Any Type of Metal Doors

At Sing Core we specialize in creating metal doors that weigh a fraction of other metal doors while providing all the added benefits of having Sing Core inside. We can create custom metal doors in a variety of door skins. These could include beautiful materials like brass, bronzecopper, and traditional materials like steel and aluminum. Our two most popular types of metal doors are aluminum sliding doors and steel sliding doors.

Aluminum Doors

Sing aluminum doors are made to the highest degree of accuracy and precision by supporting the best architects, custom metal door artisans, door manufacturers, millworks, and metal work companies. Many types, styles, and weights of aluminum are availability. One favorite material of Sing Core is anodized aluminum. As seen in the image below, the anodized aluminum creates a beautiful work of art that is both functional and unique.  Anodized aluminum can be created in a variety of colors like gold, red, blue, silver, green, or black to create a door that is high strength, lightweight, and visually gorgeous

 

Metal doors large hot rolled steel sliding door being finished

Large hot rolled steel sliding door being finished

Steel Doors

Our most popular metal doors are created using a variety of different steels. All of our processes create high-tech, ultra-exclusive, and beautiful metal doors. See examples of our cold rolled steel doors, diamond plate steel doors, galvanized steel doors, hot rolled steel doors, or stainless-steel doors in our galleries below. These doors can be custom manufactured to your architectural specifications with Sing Core inside

Cold Rolled Steel Doors

Metal doors cold rolled steel sliding doors

Cold rolled steel sliding doors

Hot Rolled Steel Doors

Metal doors large hot rolled steel sliding door

Large hot rolled steel sliding door

Galvanized Steel Doors

Lightweight one-inch galvanized steel door panel strength demonstration

Lightweight one-inch galvanized steel door panel strength demonstration

Diamond Plate Steel Doors

Metal doors modern diamond plate steel door lightweight stronger than steel

Modern diamond plate steel door lightweight stronger than steel

Stainless Steel Doors

Multiple steel panels can be joined on site to create large stainless steel doors

Multiple steel panels can be joined on site to create large stainless steel doors

Metal Exterior Doors

Metal exterior doors can pose additional challenges, especially if one side of the door is 100% exposed to the elements. Without Sing Core door cores, doors are prone to warping because of the changes of environment. However, by using Sing Core you avoid the issue of warping. The patented Sing Core design can guarantee your door’s structural integrity for up to 50 years

Metal doors with closed edges

Metal doors with closed edges

Metal Kitchen Door

metal doors insulated for cold storage

Insulated cold storage

Whether your application is interior or exterior, Sing Core can help your favorite metal door company to build the best metal doors to your specifications and expectations. We can create metal kitchen doors, cold storage metal doors, or insulated metal doors.

Serving the Top Metal Door Manufacturers in the World

Sing Core provides professional Sing Core metal door core to the top four metal door manufacturers in the world enabling them to create a high precision, high performance custom metal doors. All our products are Eco-friendly, made in the USA, lightweight, and high strength. Our  metal doors are guaranteed not to fail for 50 years. You get the ultimate door and core that the planet has to offer.

See also: Metal Sliding Door Gallery