Exterior Wall Ul 2 Hour Fire Rated Wall Assemblies

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.

Exterior wall ul 2 hour fire rated wall assemblies.

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. Sheathing on both sides. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. Thick nom 0 65 pcf friction fit in the wall cavity between stud plates and cross bracing.

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. V337 2 hour interior wall assembly ul design no. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. Fire rated construction acoustical performance partition applications fire detail physical data description test no.

2x6 24 o c. The fire rating of the wall assembly is the lower of the two. 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. Stc description system rating test no.

Table 2 two hour fire rated loadbearing wood frame wall assemblies. These blocks while allowing for safe means of egress and fire rating should no longer be looked at as just normal grey cmu. 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. Base layer 5 8 15 9 mm densglass fireguard sheathing retardant treated 2 x 6 wood studs 16 406 mm o c.

These designs are identified in the ul fire. Fire rated assemblies are tested and certified in their entirety. Assemblies rated from both sides. Faced or unfaced glass fiber insulation 3 1 2 in.

To confine and isolate fire within a zone comprised of fire resistance rated walls ceiling and floor assemblies. 5 mineral wool batts. 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. And covered with a single layer fire resistant protective weather retarder paper stapled along each edge at.

These ul and intertek listed fire rated wall assemblies provide benefits to architects engineers builders developers contractors and even homeowners. V applied vertically with vertical joints over studs e exterior sheathing. 5 8 type x gypsum wallboard h.