Exterior Wall Ul 2 Hour Fire Rated Wall Assemblies

Wd stud 2 layers 5 8 sheetrock brand gypsum n a j panels firecode core outside both sides 5 8 sheetrock brand gypsum panels firecode core inside both sides 2 rows 2 x 4 24 o c base layer.

Exterior wall ul 2 hour fire rated wall assemblies.

To confine and isolate fire within a zone comprised of fire resistance rated walls ceiling and floor assemblies. Base layer 5 8 15 9 mm densglass fireguard sheathing retardant treated 2 x 6 wood studs 16 406 mm o c. These blocks while allowing for safe means of egress and fire rating should no longer be looked at as just normal grey cmu. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project.

Lp flameblock fire rated osb sheathing is a component of the following code compliant fire rated assemblies. 5 mineral wool batts. V applied vertically with vertical joints over studs e exterior sheathing. Westbrook block is a proud producer of underwriters laboratories ul approved fire rated cmu in both light weight and normal weight densities in 2 3 and 4 hour configurations.

These designs are identified in the ul fire. Fire rated assemblies are tested and certified in their entirety. Assemblies rated from both sides. Lp flameblock osb sheathing wall assemblies can reduce the number of components within a wall reducing construction time saving labor costs and increasing the flexibility of the design.

The fire rating of the wall assembly is the lower of the two. And covered with a single layer fire resistant protective weather retarder paper stapled along each edge at. 5 8 type x gypsum wallboard h. Table 2 two hour fire rated loadbearing wood frame wall assemblies.

These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Thick nom 0 65 pcf friction fit in the wall cavity between stud plates and cross bracing. These ul and intertek listed fire rated wall assemblies provide benefits to architects engineers builders developers contractors and even homeowners. Faced or unfaced glass fiber insulation 3 1 2 in.

2 hour exterior wall assembly ul design no. With 6d coated nails 1 7 8 48 mm long 0 0915 2 mm shank 1 4 6 mm heads 12 305 mm o c. Stc description system rating test no. V337 2 hour interior wall assembly ul design no.

Typically for an exterior wall with a fire separation distance greater than 5 ft 1 524 mm fire needs be considered on the interior side only. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. Batts and blankets as an option to item 4 when the fire resistance rating is for a fire on the interior face only and the fire resistance rating for the exterior face is not required.