WebThe Gypsum Association “Fire Resistance Design Manual” (GA-600-12) lists file RC2601 with two layers of 5/8 in. gypsum wallboard (GWB) on wood joists. Duct And Light Penetrations Of Fire Rated Assemblies WebWhere a fire wall serves as an exterior wall for a building and separates buildings having different roof levels, such wall shall terminate at a point not less than 30 inches (762 mm) above the lower roof level, provided the exterior wall for a height of 15 feet (4572 mm) above the lower roof is not less than 1-hour fire-resistance-rated construction from both sides …
BXUV.P801 - FIRE-RESISTANCE RATINGS - ANSI/UL 263 - Isolatek …
WebApr 1, 2024 · UL Design I504. Use: Rated ceilings above corridors, mechanical rooms, or other incidental uses required by Section 509 of the IBC. 1 Hr. Horizontal Ceiling Membrane fire resistance rating. 3 layers of Gold Bond ® Fire-Shield ® Gypsum Board (Type X) fastened to 3-5/8” steel studs at 16” o.c. (20 gauge, 30 mil) Spans 8’-0” max, with ... WebRC1 Resilient Channel. CEMCO’s standard RC1 resilient channels are manufactured with a 1-1/4” top flange, and a 1/2” nailing/screw attachment flange, giving the channel 1/2” furring … dwight pinkney christmas good mood
RC1 Resilient Channel Resilient Sound Channels CEMCO
WebMay 16, 2024 · The space between a rated floor slab and the inside face of a curtain wall system is a special case that is called a perimeter barrier. This is an important joint because the wall system requires a wider space than other wall systems and there could be significant movement in the joint, which could allow fire and smoke to pass through easily. WebDec 1, 2006 · The two-hour ceiling membrane consists of four layers of 5/8-inch type X gypsum board applied to ceiling framing spaced 24 inches on center with a 7/8-inch hat … WebMay 10, 2024 · Check out the UL BXUV V421 assembly. If you don't have access to the online UL database, you can use the attached publication from the MBMA - it's old, but the assembly hasn't changed. The head-of-wall is an area of special concern - you'll have to detail that yourself based on the roof construction. MBMA UL V421.pdf crystal key hunter bend realty