Interior 1 Hour Fire Rated Wall Assembly

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.

Interior 1 hour fire rated wall assembly.

Two doors each with a fire protection rating of 1 1 2 hours installed on opposite side of the same opening in a fire wall shall be deemed equivalent in fire protection rating to one 3 hour door. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. This ul listed assembly is commonly used in type v multifamily construction in load bearing exterior walls. Lumber shall be identified by the grade mark of a lumber grading or inspection agency that has been approved by an accreditation body that complies with the american.

This assembly is fire rated for 1 hour from both sides. 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. 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. Descriptions of successfully tested i joist floor as.

Mount a 1 1 2 inch fiberglass barrier inside the studs. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies. Use special fiberglass rated for use in firewalls.

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. Tested lumber wall assemblies are provided in table 1 for one hour fire resistance rated wall assemblies and table 2 for two hour fire resistance rated wall assemblies. Lumber shall be identified by the grade mark of a lumber grading or inspection agency that has been approved by an accreditation body that complies with the. It also allows for the use of fiberglass insulation.

For testing requirements see section 715 4 3. Type of assembly required assembly rating hours minimum fire door fire assembly fire. Type x gypsum board is wallboard to which non combustible fibers have been added. The fire rating of the wall assembly is the lower of the two.

The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels.