Wood Joist Roof

The bottom half is carried by the exterior bearing walls.

Wood joist roof.

9030 floor framing standards guide. Rafter and joist span faq. Tj 9001 installation guide for floor and roof framing with tji 110 210 230 360 and 560 joists. We offer roof trusses storage building trusses and frames floor trusses and trusses that are immediately available to pick up at one of our conveniently located plants.

In addition we carry a wide selection of lumber and boards. Instead a wood i joist roof system is framed with either a central bearing wall or a structural ridge a beam that carries the roof load to posts. For example you can span a 1 grade no knots southern yellow pine a greater distance than a 2 grade with knots southern yellow pine. Joists attach to beams lying parallel to each other and being aligned horizontally.

With wood i joists there is no practical way to make a strong shear connection between the floor joists and the rafter ends. Some of those options include laminated veneer and strand lumbers i joist and rim boards. The load from the top half of the roof is carried by the bearing wall or structural ridge. Oncenter bli 40 wood i joist 11 875 in x 2 5 in x 40 ft.

Tj 9510 installation guide for floor and roof framing with tji s31 s33 and s47 joists east canada. The lengths and sizes of joists vary depending on the species and quality of the lumber used. Roof supports which are angled are known as rafters.