I Joist Roof Details

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 joist roof details.

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. 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. J4 lpi roof joist top flush beam 1 side. 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.

K1 lpi roof opening framing with connections. Tji joists floor framing details components. The details on this site are recommended for all i joists. Pdf k roofs i joist connection details.

J3 lpi roof joist top flush beam 2 sides. 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. Support back of i joist web during nailing to prevent damage to web flange connection. Follow new articles new articles and comments.

There is no need for bearing posts under the ridge board which is nonstructural. Here you can view and download individual floor and roof details for your use. Alternatively you can download a free viewer by visiting this link and downloading the dwg trueview application. J2 lpi roof joist top on beveled plate with gusset.

Trus joist floor framing made simple. Continuous ceiling joists or collar ties span from rafter to rafter. Conversion table 31 not all sizes are available in all regions. K2 lpi roof joist with.

I joist construction details performance rated i joists in floor and roof framing form no. If you don t have autocad you will need to sign up for a free account and use autodesk viewer a web based applications. Contact your weyerhaeuser representative for joist.