thermal Options
- Non-Insulated 1-Sided Steel / Hollow Pan. R-Value N/A.
- Insulated 1-Sided Steel / Polly Backer.
1-3/8" Polystyrene w Vinyl Back R-Value 7.94
3.
Insulated 2-Sided Steel / Double Layer Steel. 1-7/16" Bonded Polystyrene
R-Value 9.65
heavy duty Hardware Package
- Commercial Grade Heavy Duty Hardware.
- Quiet Nylon 11-Ball Rollers.
- Full Wide Style Opener Bracket.
Springs Recommended For
Extreme Use
- Torsion Enhanced Corrosion Resistant.
- High Cycle Double & Tripple Extended Life.
