
Capitol Aluminum and Glass Corporation
Capitol 4900 Fiberglass Reinforced Polyester (FRP) door leaves are manufactured with a durable foam core and heavy aluminum frame designed to withstand heavy traffic. Our durable FRP doors absorb broad impact shock, reducing dents, which leads to longer door life. The 4900 FRP door is also an ideal choice for high humidity and corrosive environments.

Cline Doors ![]()
A manufacturer direct company that delivers a superior product at a competitive price, responsive to customer needs. Producing the highest quality commercial Aluminum and FRP flush doors since 1961. Series 100BE Aluminum Flush Door, Series 200BE FRP Flush Door, Series 400SE Commercial Screen Door and Series 500SE Stile and Rail Door. Family owned American Company.

Corrosion Guard Products
Fiberglass Reinforced Polymer Door and Frame Systems. Corguard’s unique modifiable design enables us to deliver doors and frames in days rather than weeks. Available in stock sizes or custom. Doors may be factory cut for louvers or vision kits. FRP louvers and PVC vision kits, with or without glass, are available.

Extrutech Plastics
Extrutech Plastics produces custom, high quality, maintenance free PVC Doors and rot resistant frames in single or double wide configurations. Impact resistant, durable, easily cleaned, rust, rot and moisture proof. Use in car wash, food processing, agricultural buildings, clean rooms, water treatment facilities and convenience stores. Many options in hardware, glass and sizes available.

Special-Lite
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Special-Lite pioneered the use of fiberglass-reinforced composite door skins on heavy-duty flush doors for new & retrofit commercial applications. Our Fiberglass-Reinforced Polyester (FRP) Flush Doors and Acrylic-Modified Polyester (AMP) Wood Grain Flush Doors can't warp, split, peel or rot, and don't require periodic refinishing. They're also GREENGUARD Certified to the Children & Schools Standard.
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See also:
08 1548 - Residential Fiberglass Doors
08 1580 - Plastic Doors (Residential & Light Commercial) - typically vinyl
08 3800 - Traffic Doors

Capitol Aluminum and Glass Corporation
Capitol 4900 Fiberglass Reinforced Polyester (FRP) door leaves are manufactured with a durable foam core and heavy aluminum frame designed to withstand heavy traffic. Our durable FRP doors absorb broad impact shock, reducing dents, which leads to longer door life. The 4900 FRP door is also an ideal choice for high humidity and corrosive environments.

Cline Doors ![]()
A manufacturer direct company that delivers a superior product at a competitive price, responsive to customer needs. Producing the highest quality commercial Aluminum and FRP flush doors since 1961. Series 100BE Aluminum Flush Door, Series 200BE FRP Flush Door, Series 400SE Commercial Screen Door and Series 500SE Stile and Rail Door. Family owned American Company.

Corrosion Guard Products
Fiberglass Reinforced Polymer Door and Frame Systems. Corguard’s unique modifiable design enables us to deliver doors and frames in days rather than weeks. Available in stock sizes or custom. Doors may be factory cut for louvers or vision kits. FRP louvers and PVC vision kits, with or without glass, are available.

Extrutech Plastics
Extrutech Plastics produces custom, high quality, maintenance free PVC Doors and rot resistant frames in single or double wide configurations. Impact resistant, durable, easily cleaned, rust, rot and moisture proof. Use in car wash, food processing, agricultural buildings, clean rooms, water treatment facilities and convenience stores. Many options in hardware, glass and sizes available.

Special-Lite
![]()
Special-Lite pioneered the use of fiberglass-reinforced composite door skins on heavy-duty flush doors for new & retrofit commercial applications. Our Fiberglass-Reinforced Polyester (FRP) Flush Doors and Acrylic-Modified Polyester (AMP) Wood Grain Flush Doors can't warp, split, peel or rot, and don't require periodic refinishing. They're also GREENGUARD Certified to the Children & Schools Standard.