Floor Assemblies In Type I Construction

For example type iiia requires the floor construction to be rated for 1 hour while type iiib has a rating of 0 hours for the floor construction.

Floor assemblies in type i construction. Floor intersections in type iii a platform construction are provided in figures 1a through 1c. The type of gypsum board mentioned in the construction description re ects the type of board used in the acoustic test reports. All wall assemblies are considered non load bearing unless otherwise speci ed. Even when using type b unprotected construction with a residential occupancy floors still need protection in residential and mixed use occupancies per ibc section 711 3.

This system of designating types of construction also breaks down types of construction through the use of arabic numbers. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies. The details of type iv construction shall comply with the provisions of 602 4 1 through 602 4 7. Exterior walls 1 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. Heavy timber floor ceiling roof assemblies type v a protected wood frame commonly used in the construction of newer apartment buildings. This might not make sense as to the purpose of this when looking at chapter 6 alone but when you consider chapter 5 you will see that you are allowed to have a larger building given the added fire. For example increasing the spacing from 400 mm o c.

E g type i 442 type ii 111 type iii 200 and indicate the fire. Floor ceiling roof type v b unprotected wood frame examples of type v n construction are single family homes and garages. Consult listed re references for speci c gypsum board type and brand to obtain listed performance. In assemblies with wood i joists decreased the fire resistance by 12.

Floors both type iii and type v construction require one hour rated floor assemblies. To 600 mm o c. Widening the spacing between resilient channels for floor assemblies might not be desirable from a fire resistance standpoint. Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly.

An example de tail for an exterior wall floor intersection in type iii b construction is provided in figure 2. Structural frame 1 hr.