WebSep 18, 2015 · Acoustical Rating There are two common measures of sound performance: Sound Transmission Class (STC) and Impact Insulation Class (IIC) ratings. STC rating represents airborne noise such as music … WebWhat is fire rated gypsum? Gypsum is approximately 21 percent by weight chemically combined water which greatly contributes to its effectiveness as a fire resistive barrier. When gypsum drywall is exposed to fire, the …
Firestop Needed for Sprinkler Penetration? - MeyerFire
WebOct 4, 2024 · resistance rated, shall be provided with a ½ -inch (12.7 mm) gypsum wallboard membrane, ⅝-inch (16 mm) wood structural panel membrane, or equivalent on the underside of the floor framing member. Penetrations or openings for ducts, vents, electrical outlets, lighting, devices, luminaires, wires, speakers, drainage, piping and WebC. Into gypsum board - When a face layer of gypsum board is attached to a base layer, the screw must fully penetrate 1" through surface of base layer to achieve maximum holding strength. D. Gypsum board - Applied as a face layer through a base layer, penetration into wood joists: 1". 8. is a frog a final consumer
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WebUNITED STATES GYPSUM CO — Types STRUCTO-CRETE, USGSP System No. 5 Subflooring — Min 19/32 in. thick wood structural panels, min grade "C-D" or "Sheathing". Face grain of plywood or strength axis of panels to be perpendicular to the joists with joints staggered. Vapor Barrier — (Optional) — Commercial asphalt saturated felt, 0.030 in. thick. WebTJI® Joists Floor Framing Details & Components Follow AUTOCAD AND SKETCHUP Trus Joist® Floor Framing Made Simple Squash Blocks Web Stiffeners Blocking Panels Blocking Requirements for TJI® joists at Cantilevers Backer and Filler Blocks Double TJI® Joists Does a TJI floor system require Mid Span Bridging? Stacking Gypsum Board on … WebMay 16, 2024 · There are two types of penetration firestopping: Through Penetration Firestop systems are those that protect penetrations that pass all the way through the barrier, whether it is a wall or a floor. In general, both sides of the penetration are sealed with the proper system. old western auto ratchet