2 Hour Fire Rated Exterior Wall Assembly Stucco

1 hour and 2 hour fire resistance ratings depending on components used.

2 hour fire rated exterior wall assembly stucco.

Portland cement stucco 1 2 thick applied directly to c m u. Base layer 5 8 inch 15 88 mm type x gypsum wallboard applied parallel to studs with 6d coated nails 1 7 8 inch 228 6 mm long 0 0915 inch 2 48 mm shank inch 6 35 mm heads 12. 2 x 4 wood framing at 16 o c. Find the right steel studs limiting heights and spans and fire rated assemblies for your shaft walls.

7 8 exterior cement plaster at exterior condition min. 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. C core gypsum base in wall assemblies without compromising the fire rating see application guide specifications part. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels.

2 hour fire rating. Exterior stucco flat ceilings because of its rigidity 249 o c for studless 29 solid plaster. Resistance rating for fire from the exterior face optional for 2 hr fire resistance rating for fire from interior face. Wood structural shear panel where occurs metal lath over 1 layer of weather resistive barrier 7 8 exterior cement plaster one hour rating per ibc table 720 1 2 item 15 1 3 1 hour exterior stucco wall see footnote m for reduction of allowable f c.

2 hour fire resistance rated exterior wall assembly. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Exterior wood siding min 11 32 in. Elements of buildings the fire resistance rating classifies the ability of an assembly 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. Use where wall is required to be rated from the exterior and interior sides. Estimate materials and find usg equivalents for your building projects. Thick 4 ft wide wood plywood siding panels or 7 16 in.

Accepts no responsibility for proper application of the rated wall assembly above or. Find the right fire rated assemblies and design details drawings for your architectural plans. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. And covered with a single layer fire resistant protective weather retarder paper stapled along each edge at.