3-Layer Insulated Construction2″ Thick Double-Sided Steel Panels24–26 Gauge Steel StrengthHigh-Density Polyurethane InsulationR-Value: 16–18Best-in-Class Thermal Performance
3-Layer Insulated Construction1½” or 2″ Thick, Double-Sided Steel Panels24–27 Gauge SteelPolystyrene Insulation CoreR-Value: 6–13Good Thermal Performance
2″ Thick, Single-Sided Steel Panel25–26 Gauge SteelNon-insulated
Headroom Available
Rust-proof, 24–26 gauge panels with a virtually maintenance-free surface.
15,000 cycles, handmade from galvanized steel for corrosion resistance.
Premium nylon rollers for smoothness and quietness (not plastic or steel)
Heavy-duty 14-gauge steel hinges (replaces standard 18-gauge).
Double-fin with cover weather seal. not single nail on
All our glass comes with insulated double-pane thermo technology, so you never have to compromise on comfort or energy efficiency.