The design of structural members containing fire damper assemblies is normally the responsibility of the fire damper manufacturer and not usg.
2 hr fire rated shaft wall.
Find the right steel studs limiting heights and spans and fire rated assemblies for your shaft walls.
Sw 106 1 hour shaftwall with deflection track.
Sw 207 2 hour shaftwall partition to steel beam.
Sw 206 2 hour shaftwall with deflection track.
Head of wall firestop system elastomeric spray firestop.
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Usg provides resources here for our ul wall assemblies for seamless integration into any construction project.
19 1 mm 3 4 thick panel can achieve a two hour fire rating with single layer construction when used with mineral wool insulation in steel framed.
This is for proper operation of the fire damper during a fire.
Cover wood framed walls with a single layer of 3 4 inch type x drywall rated for 120 minutes of fire resistance.
Install 2 1 2 64 mm type s drywall screws 12 305 mm o c.
Use thicker drywall for a two hour rating if double sheeting is not an option with fire resistant insulation between the wall studs.
These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies.
These listings are short summaries to serve as a.
Fill wall cavity with 1 1 2 fiberglass or mineral fiber insulation.
1 2 12 7 mm toughrock fireguard c gypsum board or 1 2 12 7 mm densarmor plus fireguard c gypsum panel installed horizontally on each side with joints staggered 24 610 mm o c.
What structural header is required above a two hour fire damper located within a two hour fire rated usg cavity shaft wall system.
Sw 205 2 hour shaftwall to steel deck.
Cgc shaft wall systems are non load bearing gypsum wall partition assemblies constructed from outside the shaft at each floor.
Head of wall firestop system gypsum board fire trak shadowline.
Ul design u499 w419.
To studs and track and 1 1 2 38 mm type g drywall screws 24 610 mm.
Ul design u497 w419.
Looking for a usg match for a competitor ceiling product.
Shafts are enclosed early in construction and the walls are.