1 Hour Rated Exterior Wall
1-Hour Fire Resistive Rated Wall Assemblies.
1 hour rated exterior wall. ASTM ISO EN CANCGSB CANULC. Thick 100 2 hours 3 layers 12 in. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels.
The UL Fire Resistance Directory Ref. 2 x 6 wood frame with r19 batt insulation. Building System Chase Walls.
1 layer 5 8 fire rated gwb on interior side. 58 Type X Gypsum Wallboard H 2¼ 6 Type S drywall screws 12 oc. It also allows for the use of fiberglass insulation.
Sheathing on Both Sides. Bearing Wall Rating 1 Hr Finish Rating See Items 3 3A 3D 3E 3F 3G 3H 3J and 3L. None 58 Type X Gypsum Wallboard H 2¼ 6 Type S drywall screws 7 oc.
Standards products are certified against. A fire resistance rating is based on a fire resistance period and usually given in half-hour or hourly increments. The fire-resistance rating of the exterior wall shall extend not less than 4 feet 1220 mm on each side of the intersection of the fire wall to exterior wall.
Thick or 100 2 layers 34 in. The wood studs are typically protected from fire on the inside by fire-rated gypsum board which can be layered to provide the required rating. Corridor walls permitted to have a 1 2hour fireresistance rating by Table 10201 2.