I Joist Roof Details

I joists are strong lightweight i shaped engineered wood structural members that meet demanding performance standards.

I joist roof details. J3 lpi roof joist top flush beam 2 sides. K2 lpi roof joist with. If you don t have autocad you will need to sign up for a free account and use autodesk viewer a web based applications. J2 lpi roof joist top on beveled plate with gusset.

Alternatively you can download a free viewer by visiting this link and downloading the dwg trueview application. The details on this site are recommended for all i joists. Contact your weyerhaeuser representative for joist. Trus joist floor framing made simple.

There is no need for bearing posts under the ridge board which is nonstructural. K1 lpi roof opening framing with connections. Continuous ceiling joists or collar ties span from rafter to rafter. Follow new articles new articles and comments.

I joists are comprised of top and bottom flanges which resist bending united with webs which provide outstanding shear resistance. Engineered wood products ewp span and size charts for bci joists. The roof loads are carried to the top plates of the bearing walls where the floor joists acting in tension keep the rafter ends from spreading out. I joists coated with an approved field applied coating are required to demonstrate the same equivalency to 2 x 10 dimension lumber or structural composite lumber as the fire protective membrane methods published in apa system report sr 405 in addition to several other requirements such as the effects if any of the coating on the structural properties of the i joists.

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. Support back of i joist web during nailing to prevent damage to web flange connection. I joist construction details performance rated i joists in floor and roof framing form no. Bci joists are specially constructed i joists with flanges made from strong versa lam laminated veneer lumber with oriented stranded board webs and approved waterproof structural adhesives providing outstanding strength and durability.

Tji joists floor framing details components. Conversion table 31 not all sizes are available in all regions. Design information for all joists tji joist floor framing 24 rim board selection and installation 25 floor details 26 27 roof framing 28 roof details 29 30 cut length calculation 31 material weights and.