1 Hour Fire Rated Exterior Wall Assembly Both Sides

U301 u302 and u371.

1 hour fire rated exterior wall assembly both sides.

Exterior walls shall be fire resistance rated in accordance with tables 601 and 602 and this section. 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. 1 hour exterior wall assembly ul design no. Structural shear rated wall with interior fire exposure rating lp wall assembly for this application has been allowed by building code officials.

Table 2 two hour fire rated loadbearing wood frame wall assemblies. 5 mineral wool batts. Ratings for these two hour assemblies are from both sides. 5 8 type x gypsum wallboard h.

705 5 fire resistance ratings. 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. This assembly is fire rated for 1 hour from the interior side only except when brick is the exterior facing. Assemblies rated from both sides.

2x6 24 o c. Fire resistance ratings are expressed in the number of minutes or hours a structure can withstand a fire simulation test. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. This assembly is fire rated for 1 hour from both sides.

V applied vertically with vertical joints over studs e exterior sheathing. 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. 1 hour rated exterior fire wall. Both exposed sides of the wood framing with 1 7 8 in.

According to the engineered wood association a one hour rating indicates that a wall constructed in a manner similar to the one tested will contain flames and high temperatures and support its full load for at least one hour after the fire begins. 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. Sheathing on both sides. Rated from one side and from both sides.

This ul listed assembly is commonly used in type v multifamily construction in load bearing exterior walls.