Door sections are formed from heavy, 24-gauge galvanized draw quality steel
Section joints are roll-formed into a tongue-and-groove design which produces a superior weather seal
Bottom weather seal utilizes an aluminum retainer and extruded virgin vinyl
Long-lasting rollers assure consistent, quiet and efficient operation
Inside stiles are made of galvanized steel and stile holes are "dimpled" for increased holding power
Extension or torsion springs are individually computer-calibrated to lift your door
Extra-heavy paint system consists of .25 mil. primer with rust inhibitor and a .75 mil. coating of baked-on polyester paint in your choice of white, almond, sandstone, brown or evergreen
Hinges are stamped from galvanized steel in a "wide body" pattern for greater stability and longer life
Optional latching lock system opens easily from inside or outside
Models 2241/4241 include 1-3/8" polystyrene insulation with a vinyl back cover
Models 2241/4241 R-value - 6.85
DOOR INSULATION
These models utilize 24-gauge exterior steel skin with 1-3/8" thick polystyrene foam insulation with a vinyl back cover.