Products / Kalwall Skylights

A curb-mounted standard skylight system of insulated, translucent fiberglass-reinforced sandwich panels on an aluminum or thermally broken composite I-beam grid core, held in an aluminum clamp-tite perimeter that is factory sealed. It is sold as S-Line flat skylights (4 ft or 5 ft wide, 4 ft to 20 ft long in 1 ft steps), Pyramids (27, 33 or 45 degree pitches, 4 ft to 20 ft wide) and custom-gridded Geo-Roofs (8 ft to 24 ft wide), in 2-3/4 in. panels with panel U-factors the maker lists from 0.53 to 0.05 and SHGC as low as 0.04. The maker's Section 084523 guide specification calls for the system to pass the UL 790 Class A burning brand test, with a UL-listed Class A roof (Type A exterior face sheet) as an option, and for ASTM E661 fall-through testing to OSHA 1910.21. Windborne-debris configurations to ASTM E1886/E1996 (up to Large Missile D) and FM 4471 Class 1 configurations of 2-3/4 in. skylight systems are offered only with specific face sheets and details.