Thermacore® Sectional Steel Doors 591
When your project requires a sectional door with an exceptional degree of thermal efficiency, the Thermacore® Sectional Steel Door Model 591 is a proven performer. The Thermacore® steel-polyurethane-steel panel construction provides a thermal barrier that withstands extreme climatic conditions and the most demanding environmental requirements.
This 1 5/8” (41 mm) thick, heavy duty door fits a wide range of opening sizes and the spectrum of applications - making it the best-selling door system in the Thermacore® line and one of the most-specified insulated sectional doors in the industry. Boasting an R-value of 14.86 (2.63 W/m2), a U-value of .067 (.380 m2/W), and one of the best air infiltration ratings, the Thermacore® 591 will meet or exceed almost any thermally efficient application requirement.
Standard max width
35'2" (10,719 mm)
Standard max height
24'1" (7,341 mm)
1 5/8" (41 mm)
14.86 (2.63 W/m2)
.07 (.38 m2/W)
at 15 mph (24 kmph) .08 cfm/ft2 (1.46 m3/hr/m2)
at 25 mph (40 kmph) .08 cfm/ft2 (1.46 m3/hr/m2)
.015" (.38 mm) galv.
Designs available for usage in high-wind conditions
10 year limited delamination
1 year limited on door
3 year/20,000 cycle limited on door & operator system (when purchased together; on material and workmanship)
20 year limited on high performance fluoropolymer coating option
- Aluminum sash section available up to 24'2" (7,366 mm) wide
- Insulated glass, tempered glass, polycarbonate, multi-wall polycarbonate, etc.
- High performance fluoropolymer coating (Trinar® or equivalent)
- Four-section pass door
- High-usage package
- Wind load options
- Electric operator
- Chain hoist
- Posi-Tension™ drums
- Safety bottom fixture
- Bottom-sensing edge
- Flexible jamb, header seal
- Exhaust ports
- Window Glazing Options