Floor Assemblies In Type Ii Construction

Roof protection type i b fire resistive non combustible commonly found in mid rise office group r buildings.

Floor assemblies in type ii construction. Combustible traditional wood frame type v a type v b table 2. Horizontal assemblies separating dwelling units and sleeping units shall be not less than 1 2 hour fire resistance rated construction in a building of type iib iiib and vb construction where the building is equipped throughout with an automatic sprinkler system in accordance with section 903 3 1 1. Nonbearing partitions where the required fire resistance rating is 2 hours or less. Allowable uses of frtw in the ibc.

The parking garage is of ordinary type iii construction and is separated from the rest of the building by a floor ceiling assembly of oriented strand board supported by wood trusses and. Type building assembly i and ii nonbearing partitions where the required fire resistance rating is 2 hours or less section 603 1 25 1 nonbearing exterior walls where no fire rating is required section 603 1 25 2 roof construction including. Type i ii construction is where the building elements are of noncombustible material. The floor and roof are plank board.

Combustible materials shall be permitted in buildings of type i or ii construction in the following applications and in accordance with sections 603 1 1 through 603 1 3. The details of type iv construction shall comply with the provisions of 602 4 1 through 602 4 7. Fire retardant treated wood shall be permitted in. Exterior walls 3 hr.

One difference between a heavy timber type iv building and type iii construction is that a heavy timber type iv building does not have plaster walls and ceilings covering the interior wood framework. Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly. Floor ceiling assembly 1 hr. 5 types of construction per chapter 6.

Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies. Type iii construction is where the exterior walls are of noncombustible materials and the interior building elements are of any material allowed by code. An alternative to protecting the rim with one layer of 5 8 type x gypsum board when there is a one hour fire rated floor ceiling assembly is to protect the rim with 1 75 thick timberstrand lsl figure 2.