Exterior Wall Ul 2 Hour Fire Rated Wall Assemblies

These ul and intertek listed fire rated wall assemblies provide benefits to architects engineers builders developers contractors and even homeowners.

Exterior wall ul 2 hour fire rated wall assemblies.

Table 2 two hour fire rated loadbearing wood frame wall assemblies. Stc description system rating test no. 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.

Base layer 5 8 15 9 mm densglass fireguard sheathing retardant treated 2 x 6 wood studs 16 406 mm o c. 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. 5 mineral wool batts.

Assemblies rated from both sides. These designs are identified in the ul fire. Sheathing on both sides. 2 hour exterior wall assembly ul design no.

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. 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. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. 2x6 24 o c.

Lp flameblock fire rated osb sheathing is a component of the following code compliant fire rated assemblies. The fire rating of the wall assembly is the lower of the two. 5 8 type x gypsum wallboard h. 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.

Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. V applied vertically with vertical joints over studs e exterior sheathing. Fire rated assemblies are tested and certified in their entirety. 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. V337 2 hour interior wall assembly ul design no.