Tji Roof Joist Details

See icc es esr 1153 and icc es esr 1387.

Tji roof joist details.

F2 tji non loadbearing cantilever detail. Tji 560 joists δ 22 5 wl4 el 2 29 wl d x 105 material weights include tji weights in dead load calculations see design properties table at left for joist weights tji joists are intended for dry use applications code evaluations. T iijoist 1 1 4 timber. Follow new articles new articles and comments.

In a typical roof framed with dimension lumber the rafters rest on the exterior wall top plate at the lower end and bear against a ridge board at the top. Tji joists have a unique shape which can sometimes require special detailing for hangers bearings and double joists. The dimensional stability of tji joists help them resist warping twisting and shrinking that can lead to squeaky floors. Backer block install tight to top flange tight to bottom flange with face mount hangers.

Featuring trus joist tji joists for floor and roof applications uniform and predictable lightweight for fast installation resource efficient resists bowing twisting and shrinking significantly reduces callbacks available in long lengths limited product warranty. Properly install all blocking hangers rim boards and rim joists at tji joist end supports. Below are some literature links for framing details. I joist construction details.

Good installation begins with specification of the correct joist for the application. In addition to floor and roof framing details this guide includes recommendations for cantilevers and placement of web holes. Knowing certain constructions details is important to make the floor structurally sound and squeak free. Safety bracing of 1x4 minimum must be nailed to a braced end wall or sheathed area and to each joist.

Trus joist floor framing made simple. Tji joists are lightweight and come in long lengths which makes them faster and easier to install than traditional framing and saves you both time and money. Strand lsl closure 1 3 adjacent span max 4 0 max uniform loads only a acentspan. Establish a permanent deck sheathing fastened to the first 4 feet of joists at the end of the bay or braced end wall.

Conventional framing the first thing to understand is how a roof framed with wood i joists differs structurally from a traditional stick framed roof. Tji joists floor framing details components.