Framing Edge Of Roof

Wondering how to build the structure of your roof.

Framing edge of roof.

In high wind areas sheathing along the eaves rakes and ridges is nailed every 6 in. Partially these will depend on the style of roof you ve selected but you ll also have some wiggle room depending on the design elements of the house. Position the square at the end of the rafter board with the tongue on your left and facing away from you. Install the drip edge as normal.

Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge. Roof sheathing is nailed every 6 in. Add the length of the overhang beyond this mark and. The american plywood association says there s no reduction in strength for nails overdriven by 1 16in.

Then bend in the. Cut the entire drip edge by your second mark so that it only hangs past the edge by an inch. On both ends of the roof i let the subfascia run out beyond the anticipated width of the rakes. This video covers one of the most exciting parts of roof framing installing rafters.

Finish the eaves framing after ripping the top of the subfascia with a circular saw set to 26 5 degrees i flushed the top ripped edge with the top of the plumb cut on the rafters and screwed the subfascia to the rafter tails. Collar ties rafter ties tension beams structural ridge beams. We will go over raft. When you reach a corner where an eave and rake edge meet you need to make a cut to ensure a proper fit.

A stick framed roof uses 2x4 s or 2x6 s or whatever you are framing with but has a ridge board running down the middle ridge line. The roof framing must support the roof decking and sheathing and resist loads applied to the sheathing and transfer loads vertically to support walls or frames. Some of these can support the roof and prevent ridge sagging and wall spreading. Roof framing is the next building component found within the load path.

You then have rafters running down from this ridge board and resting on the top wall plates. For our 4 x8 lean to example using a 2 4 rafter the depth of the birdsmouth is limited by the 1 3 depth of the rafter rule. The framing style of the roof refers to the actual components of each roofing truss and the design of the structural foundation of that roof. Sometimes the rafter will have a tail and extend out past the wall so that you have a soffit or overhang.

This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams.