F18 (1mm) - F16 (1.3mm) - F14 (1.7mm) - F12 (2.5mm) - FS16 (1.3mm) - FN18 (1mm) - FN16 (1.3mm) - FN14 (1.7mm) - FE16 (1.3mm) - FE14 (1.7mm) - MU18 (1mm) - MU16 (1.3mm)

Recommended Usage
F18 (1mm), FN18 (1mm) or MU18 (1mm) for 1-3/8"(35mm) or 1-3/4"(45mm) thick hollow core wood doors only.

F16 (1.3mm), FN16 (1.3mm), F14(1.7mm), FN14 (1.7mm), F12 (2.5mm) or MU16 (1.3mm) for 1-3/4"(45mm) thick doors. FE16 (1.3mm) or FE14(1.7mm) for 1-3/4"(45mm) thick double egress doors.

Galvanealed steel is recommended where atmospheric conditions require extra protection.

All frames, except 12 gage (2.5mm), are supplied with rubber bumpers installed, (3) per strike jamb and (2) per double head for pair of doors. F12 (1.5mm) frames are supplied with loose pressure sensitive bumpers for field application by others.

STAINLESS STEEL FS-Series
Type #304 stainless steel is recommended for areas where corrosive materials are present in the atmosphere.

Type #316 (optional) stainless steel is recommended for swimming pool areas where high concentrations of chlorine are used.