2hr Fire Rated Concrete Wall

Structural function or both.

2hr fire rated concrete wall. The result t ef is then added to the concrete masonry wall equivalent thickness t e and used in table 1 to determine the wall s fire resistance rating i e the equivalent thickness of concrete masonry assemblies t ea t e t ef. Put two sheets together on one side or use one sheet on each side of a wall. Each sheet of 5 8 inch type x drywall is rated to resist fire for one hour so two layers will produce a two hour firewall. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project.

Dwg pdf fire resistive interior wall joints comprehensive drawing 2 5 16 2 hr 2 hr top and bottom of wall joint for concrete over metal deck simplified drawing 2 29 16 2 hr 2 hr top and bottom of wall joint for flat deck simplified drawing 6 7 16 dwg pdf non fire rated smoke partition cp 506 smoke and acoustic sealant comprehensive. Influence of slab thickness and aggregate type of fire resistance for concrete slabs based on 139 o c rise in temperature of unexposed surface. Based on the unit density of the concrete unit weight aggregate type and the section thickness or clear cover requirements for steel reinforcement the fire rating of a tilt up wall. A publication of the tilt up concrete association 4 provided support for procedures of calculating the fire ratings of concrete walls slabs beams and columns.

These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. For finishes on the fire exposed side of the wall a time from table 8 is assigned to the finish. Equation 6 is used to compute the fire resistance of precast concrete wall panels constructed from two layer of concrete between which a layer of foam plastic is sandwiched. Fire resistance rating or fire rating is defined as the duration of time that an assembly roof floor beam wall or column can endure a standard fire as defined in astm e 119 3.

The fire resistance rating of concrete masonry walls depends on the type of aggregate used in the units. Double the number of type x sheets on the wall for a simple system installed over fire resistant fiberglass insulation.