1 Hr Exterior Wall At Floor

New wall less than 5 from property line single family residence.

1 hr exterior wall at floor. Rated from both sides. 3 mineral wool batts. Wd stud 5 8 sheetrock brand gypsum panels firecode rating applicable to fire n c core interior 1 foamed plastic and 1 2 plywd siding exposure on interior 2 x 4 16 o c 3 1 2 thermafiber fs 15 blankets face only. Base layer 5 8 15 9 mm densglass fireguard sheathing retardant treated 2 x 6 wood studs 16 406 mm o c.

Wood joists supporting 1 25 4 mm nominal wood subfloor and 1 25 4 mm nominal wood finish floor or 19 32 15 1 mm plywood finished floor with long edges t g and 15 32 11 9 mm interior plywood with exterior glue subfloor perpendicular to joist with joints staggered. Rated from one side and from both sides. Rated from one side and from both sides. According to the book commercial drafting and detailing a typical one hour fire rated wall consists of 2x4 studs spaced 16 inches from the center of one stud to the center of the next covered by 5 8 inch type x gypsum board.

Comments system applications rating reference 1 hr. Exterior wall fire detail physical data description test no. For a 1 hour rating each side as req d. And covered with a single layer fire resistant protective weather retarder paper stapled along each edge at 16 406 mm o c.

Intertek design lpb wpps 60 01 this intertek listed assembly is commonly used in 1 hour exterior walls along the property line including single family construction. 2 fire rated wood frame wall and floor ceiling assemblies. 1 hour wall assembly interek design no. 19th edition ga 600 2009 ga 600 2009 fire resistance design manual y p s m a s o c i a t i o n g u s j u e 2 0 9 n 0 fire resistance design manual sound control gypsum association.

Galvanized self furring wire. Astm e 119 fire test on wall assembly detail ws4 1 1 at 100 design load after one hour of fire exposure. Table 1 one hour fire rated loadbearing wood frame wall assemblies. Per the attached pic what happens where the wall is interrupted by the floor joists or ceiling joists.

5 8 type x gypsum wallboard h 2 6 type s drywall screws 12 o c. 2x4 16 o c. 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.

Type x gypsum board is wallboard to which non combustible fibers have been added. Sheathing on both sides. This assembly is fire rated for 1 hour from both sides. 1 hour exterior wall assembly ul design no.

Examples of exterior wall floor intersection details for type iii construction are also provided.