Underwriter Laboratories; Northbrook, IL, 1-1/2 hr "B" label 250 F maximum temperature rise in 30 min, for vertical wall installations. File # R 10364. Warnock Hersey International; Pittsburgh, CA 1 Hr. rating for combustible floor/ceiling assembly.
THE WILLIAMS BROTHERS CORPORATION Standard Fire-Rated Access Door, 12 in Door Width, 12 in Door Height, 12-1/4 in Opening Width, 12-1/4 in Opening Height, Gray, Enamel-Coated, Steel Door, Stainless Steel Frame, Mineral Wool Insulation, Concealed Pivot Pin Hinge
Color | : | Gray |
Door Height | : | 12 in |
Door Material | : | Steel |
Door Width | : | 12 in |
Finish | : | Enamel-Coated |
Frame Material | : | Stainless Steel |
Hinge Type | : | Concealed Pivot Pin |
Insulation Material | : | Mineral Wool |
Opening Height | : | 12-1/4 in |
Opening Width | : | 12-1/4 in |