Wood I Beams For Roof

Let s consider a basic gable wood roof framing design.

Wood i beams for roof.

I joists are strong lightweight i shaped engineered wood structural members that meet demanding performance standards. 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. Wood i beam blocking panels may be used in place of the 2x4. They are excellent as floor and roof framing supports or as headers for doors windows garage doors and columns.

Here we have a wood framed gable roof. It works very well for as you described long spans but it becomes even more critical that the installation guidelines are followed to a tee and that the builder has a firm handle on this type of installation. The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial. 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.

Laminated veneer lumber lvl headers and beams build quality into designs. Lightweight and cost effective wi and gpi series wood i beam joists are the builder s choice for residential floor and roof systems. A wide selection of sizes and flange choices make it easy to specify the materials that are right for the homes you build whether you re building production homes or custom plans. Floor beam span tables of residential structural design we will now look at roof rafter and beam design.

Continuing on from part 3. Beams of more than one ply must be fastened together with either nails or bolts. A wide selection of sizes and flange choices make it easy to specify the materials that are right for the homes you build whether you re building production homes or custom plans. As long as the roof is properly engineered there is nothing wrong about using wood i s for rafters.

Engineered to deliver consistent stiffness and strength characteristics dimensional stability helps minimize floor squeaks and helps reduce callbacks resists shrinking and twisting for less waste and more consistent performance. In addition we carry a wide selection of lumber and boards. And gpi series wood i beam joists are the builder s choice for residential floor and roof systems. The bottom half is carried by the exterior bearing walls.

Some of those options include laminated veneer and strand lumbers i joist and rim boards glulam beams. Staggered pattern with at least a 3 x 120 nail. The 2012 irc code calls for a minimum of a 32 o c. The load from the top half of the roof is carried by the bearing wall or structural ridge.