1 Hour Fire Rated Exterior Wall Assembly Both Sides

Sheathing on both sides.

1 hour fire rated exterior wall assembly both sides.

U301 u302 and u371. The required fire resistance rating of exterior walls with a fire separation distance of greater than 10 feet 3048 mm shall be rated for exposure to fire from the inside. Examples of two hour fire rated bearing wall assemblies with less than 10 feet fire separation distance for illustration purposes three ul assemblies are shown. Structural shear rated wall with interior fire exposure rating lp wall assembly for this application has been allowed by building code officials.

705 5 fire resistance ratings. Assemblies rated from both sides. 1 hour rated exterior fire wall. V applied vertically with vertical joints over studs e exterior sheathing.

1 hour exterior wall assembly ul design no. Rated from one side and from both sides. Long 6d nails spaced 6 in. This ul listed assembly is commonly used in type v multifamily construction in load bearing exterior walls.

Both exposed sides of the wood framing with 1 7 8 in. Fire safety caution passing a fire test in a controlled laboratory setting and or certifying or labeling a product as having a one hour two hour or any other fire resistance or protection rating and therefore as acceptable for use in certain fire rated assemblies systems does not mean that either a particular assembly system. 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. This assembly is fire rated for 1 hour from the interior side only except when brick is the exterior facing.

2x6 24 o c. Fire resistance ratings are expressed in the number of minutes or hours a structure can withstand a fire simulation test. 5 mineral wool batts. An additional assembly 15 1 6 which can be found in ibc table 720 1 2 is also shown.

Ratings for these two hour assemblies are from both sides. 5 8 type x gypsum wallboard h. It also allows for the use of fiberglass insulation. This assembly is fire rated for 1 hour from both sides.

Exterior walls shall be fire resistance rated in accordance with tables 601 and 602 and this section.