Durable two-sided sandwich construction makes this door the choice for energy efficiency and durability. Offered in colonial, ranch, flush or carriage house.
Construction:
 The 1-3/8" thick door sections of Buildmark STS are made from two layers of strong, rust-resistant 25-gauge galvanized steel and are coated with a baked-on polyester paint finish for long life.
Track/Rollers:
 Track formed from strong galvanized steel, paired with durable, long-wearing steel rollers ensures smooth, quiet operation.
Insulation:
 Polyurethane insulation fills 100% of the door's interior space and delivers an exceptional 12 R-Value, provides structural integrity, and helps reduce noise.
Thermal Protection:
 A continuous thermal break (A), prevents heat-loss by eliminating metal-to-metal contact between inside and outside door surfaces. An air seal (B) blocks airflow between sections.
Finished Interior:
 BuildMark STS features a steel interior backing for a finished appearance and added durability.
Section Joints:
 Strong, roll-formed tongue-and-groove meeting rails seal out the elements, keeping your garage dry and secure.
Exterior Texture:
 Authentic wood grain texture on the door's exterior adds visual appeal.
Tamper Proof Cable Attachment:
 The tamper-resistant counter balance cable attachment cannot be released while the cable is under tension, helping prevent injuries or accidents.
Weatherseal:
 A vinyl weatherseal attached to a sturdy aluminum retainer helps keep out wind and rain.
 Download BuildMark STS Brochure PDF file
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