Roof Framing Boards

Add the length of the overhang beyond this mark and.

Roof framing boards.

Essentially the spine of a conventional stick framed roof the ridge board is sandwiched between the meeting ends of the roof rafters. Plywood or osb is the most common materials used for the roof sheathing. Wondering how to build the structure of your roof. This will the first point of the rafter measurement line.

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. It must meet the local codes for thickness at least 3 8 which is also based on the rafter or truss spacing. 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. Framing a roof is the last step in framing new construction.

While most home builders will outsource the construction of roofing trusses the rafter supports of the roof itself learning to frame a roof yourself is one of the true arts of carpentry and a basic primer is covered below. The pitch of the roof determines the roofing material you can use. 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. Position the square at the end of the rafter board with the tongue on your left and facing away from you.

We will go over raft. It resembles real wood and particularly strong and stable for bearing heavy load. Part of a roof s frame a ridge board runs horizontally along the peak of a sloped roof. A composite decking made of solid materials.

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. If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center. Measure down y height from the long point of the rafter cut and make a mark. Asphalt shingle can be installed on a pitch of 2 over 12 or greater.

A horizontal timber or metal resting at the peak of the roof. The rafters and trusses are connected to the ridge board for a cohesive framework. Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge.