Drywall Slip-on Frame is an industry term describing a 3 sided frame designed to be installed on a wall composed of steel or wood studs with gypsum board or other facing material and is i...
ITS/WHI is "Warnoch Hersey". ITS/WHI is the formal designation for Intertek Testing Services / Warnock Hersey. ITS/WHI is an independent agency with testing, listing, in-plant inspection, and label...
ITS/WHI Fire Rated three (3) frames are available in the following maximum door opening sizes:
F and FN-Series:
4' 0" X 10' 0" single door
8' 0" X 10' 0” double door or pairs
MU-Series:
...
F-Series frames are available without returns:
Fire Rated frames must have welded corners.
Frames must include weled in wood or steel stud anchors.
Installation requirements:
Frames must be...
NO - Louvers are not approved for installation in a fire rated transom / side panel frames.
NFPA Pamphlet 80 - paragraph # 6.3.4.4 states “Louvers shall not be installed in either transom or s...