Roof Framing Boards

Plywood or osb is the most common materials used for the roof sheathing.

Roof framing boards.

The last pieces to go in were nailing blocks above the ledger for the back of the return and at the bottom edge of the soffit for attaching the rake 20. This video covers one of the most exciting parts of roof framing installing rafters. We will go over raft. As a general rule roofs that have a high human occupancy rate should be framed with rafters every 16 structures such as sheds or barns can be frames with rafters every 24 again make sure to consult local codes.

Wondering how to build the structure of your roof. Before the roof sheathing goes on the open framing provides easy access for attaching the return blocking and the nailers for the rake soffit. This will the first point of the rafter measurement line. It resembles real wood and particularly strong and stable for bearing heavy load.

Add the length of the overhang beyond this mark and. Measure down y height from the long point of the rafter cut and make a mark. It must meet the local codes for thickness at least 3 8 which is also based on the rafter or truss spacing. If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center.

The pitch of the roof determines the roofing material you can use. Framing a roof is the last step in framing new construction. Position the square at the end of the rafter board with the tongue on your left and facing away from you. Asphalt shingle can be installed on a pitch of 2 over 12 or greater.

Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge. Definition of structural ridge or ridge beam used in roof framing a structural ridge beam is a horizontal beam placed at the peak or ridge of a roof and is designed to carry much of the live and dead loads or weight of the roof structure by itself. The rafters and trusses are connected to the ridge board for a cohesive framework. From one end of the rafter material using a speed square or framing square mark an x in 12 angle on the rafter and cut it.

A horizontal timber or metal resting at the peak of the roof. Roof framing rafter layout. A composite decking made of solid materials.