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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

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Steel Doors

Applications -> Building Components -> Doors -> Door Links -> Steel Doors

Core Value of Steel Doors
It is how steel door shapes the future by invention of Sing Core.

See: Steel Door Gallery

Steel door technology has not made any major improvements since the development of EPS core which has higher insulation for replacing the paper core and wood based core used previously. Sing Core uses reinforced EPS or urethane foam to fill the voids of the structural torsion-box-like vertical veneer in those highly insulated Sing products, and… Viola! You have the strength which is approximately 30 times stronger than any other regular door made of foam. Steel doors made of patented Sing Core is the leading edge door technology that provides more insulation, strength and extremely lightweight. The end result is more Eco-friendly door; stronger and lighter weight without using heavy gauge steel but creating an even stronger steel door. Click here to see the steel panel regular foam vs. Sing core

Achieve the security, safety and elegance of the most economical, advanced steel door technology to your entryway with Sing Metal Doors made in your choice of high quality stainless steel, galvanized steel or cold rolled steel.

true-flat-13-feet-steel-door-span-under-load-with-very-little-deflection-guaranteed

This photo features a fully insulated 13 ft. x 3 ft. x 1 inch steel door with 20 gauge metal under 160 lbs. of load with hardly any deflection. No steel studs, no welding. See pix of steel panels ready for door applications.

Sing Steel Doors are the only insulated Eco-friendly steel doors that can be guaranteed true flat thanks to patented Sing Core’s torsion box/foam composite base material that not only ensures flatness at the time of manufacture but stays flat for centuries.

Lightweight

Honeycomb-Skin-Material-Options-Metal-AluminumYou get it all; Huge savings in heavy weight when compared to solid steel while exceeding standards of high-strength and built-in insulation backed by our limited lifetime guarantee at a fraction of the cost. It’s why we say, “Heavy does not mean strong – and light does not mean weak.” Sing Steel Doors weigh much less than other steel doors and do not require heavy steel reinforcement studs to achieve the high strength. Steel doors made Sing Core do not need expensive, heavy duty hardware required by regular heavy steel doors.

High Strength

Compared to solid steel doors, Sing Core is stronger than steel pound for pound. Patented Sing core could reach 1000 PSI strength vs. paper honeycomb core traditionally used in the steel industry and is changing how steel doors are made. Sing steel doors will not dent or kink like regular hollow core, paper core or foam core steel doors.

Economical

Patented Sing Core costs a fraction of high-end honeycomb substrates, like those used in traditional aerospace applications, and still outperforms any of them in lightweight, high-strength, eco-friendly economical solutions bar-none. And that does not even take into consideration the reduction in transportation/installation costs and reduction in maintenance and repair costs over time.

No Welding

no-welding-free-metal-fabrication-lightweight-eco-friendly-stronger-than-steelSing Steel Doors are manufactured without welding which reduces labor costs, environmental and health hazards and our patented method will not compromise the integrity of the steel surface of the steel door, like welding does. No need to compromise the integrity of your steel doors by incorporating the most high precision Sing Core (+/- .006 inch) material and our patented metal fabrication process.

Custom Lite Openings

Sing Steel Doors can come complete with custom lite opening cutouts for adding glass to your door. You are not limited to the type, shape or style of cutout for your glass opening. Other steel door companies offer a variety of window openings to select from. Sing Steel Doors allow you to create any glass enhancement that you can imagine.

Steel Door Replacements

Metal-doorSing Steel Doors are the number one replacement steel doors specified by architects and designers who demand high-quality and longevity backed by our rock-solid limited lifetime warranty. See our Clients List.

Steel Door Hardware

When it is of primary importance to achieve high-end security and stability of a steel door, one invariably runs into the issue of heavy steel doors causing additional strain on the structure and hardware. Patented Sing Core eliminates the heavy weight of solid steel while out-performing solid steel.

Service Industries

Sing Steel Doors are replacing other steel doors used in commercial, healthcare, educational industries as they are being retrofitted in schools, hotels, storm shelters and retail installations.

More Options to Meet Your Specifications

Sing Steel Doors are completely customizable to your specifications. For years the design teams have been working with architects, designers and contractors to solve the problems associated with pre-existing steel door technologies. There is nearly no limit to composite options that can be adapted to the sing Steel Door that will satisfy your requirements.

Variety of Applications

The versatility and customizable attributes of Sing Steel Doors offers almost unlimited applications including (but not limited to) bullet proof, lead lined, extreme weather, tornado, hurricane, fire door, STC rated* and acoustical applications.

Available in Any Size or Configuration

Sing Steel Doors are available to meet your specifications and are not limited to a catalog of available items. Commercial steel doors are the best steel entry doors that are available in any configuration including steel double doors and commercial exterior steel doors.

Fast Turnaround Time

Special rush orders for custom size doors can takes less than one day if we have the materials required in stock.

Eco-friendly Sing Steel

Only Sing Steel Doors are a composite of patented Sing Core embracing our true green technology for a better world and steel which is one of the most recycled materials on our green earth.

Added Security and Benefits

Sing Steel Doors have the added benefits of increased security for vandalism-proofing, protection against windstorm or other acts of god, water proofing, increased fire protection and sanitation.

Substitute Architectural Spec # 08 13 19 Stainless-Steel Doors

Hot Rolled Steel Large Sliding Doors

 

* 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.