Our Four Crown Performance Roof Panel is an economical solution compared to multi-step field-assembled roof applications while offering high R values, energy efficiency and outstanding fire rating.
Allied Insulated Metal Roof Panels have a tongue and groove jointing system with a steel cover cap that conceals and protects the fasteners, ensuring the water tightness of the system. The external panel profile is a Four-rib design. The ribs allow for longer span capabilities and severe loading conditions. These panels are available in seven different thicknesses, and a wide range of colors to meet your design needs.


  • Resistant to aggressive environments
  • A versatile material that allows any configuration
  • Quick to install and easy to maintain (easy to clean)
  • Easily removable and can be reused
  • Made to measure, avoids waste
  • High thermal insulation capacity
  • High mechanical strength
  • The fasteners are hidden and protected
  • High dimensional stability
  • Water vapor tight


Product Details

  • Panel Width: 40”
  • Panel Length: 8’min to 39’max. Contact us for custom lengths.

  • Standard Minimum Roof Pitch: 1:12
  • Metal facings: 22GA, 24GA, or 26GA galvanized steel

  • Coatings: PVDF & SMP (other coatings available)

  • Accessories: fasteners, saddle fastener clips, sealants, brake formed flashings.
  • Colors: Standard colors are white, gray, tan. Contact us for additional color options.

Contact your AIMP representative for color samples.

Price Your Panels

What People Are Saying

“We built a 50×80 with a 40 ft scissor door as a hangar for my airplanes on a farm in Montana. Unbelievably strong building. Assembly was fast and straightforward. Great people to deal with.”

J. Lefore, Alberta, Canada

Allied continues to provide first-rate service with invaluable input on the design, engineering, fabrication and delivery coordination of all the steel buildings we ordered. Allied provides quality control and has delivered all buildings to project specifications provide invaluable support to the project team and client. We are satisfied with service provided by Allied and have all intentions of continuing to work with them – an indicator of their performance.

International Built Environment Consultants (IBEC), Kingston, Jamaica

“Allied Steel Buildings was terrific to work with from start to finish. Top quality performance and unmatched expertise!!!”

Wellesley Building Company LLC, New York

“We needed steel and siding for an indoor horse arena at 7000ft with a 90 pound snow load. After researching other companies Allied Steel Buildings had the materials that best fit our needs. They were very helpful and great to work with. I highly recommend them.”

E. Gouveia, Utah

“Very happy with the service I received. The customer service was outstanding, the personnel was professional and very knowledgeable of their products. I will definitely be recommending Allied Steel Building. Thank you for the GREAT service.”

D. Rodriguez, North Carolina

The Allied experience have been a great success to us in Chile. Great support, always on time and with superb professionalism. A trusted company with a reliable team and proven knowledge.

Alex A., Punta Arenas, Chile
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Download a specifications sheets