Hip Roof Sheathing Angles

Hip roof framing rafter cut angle template diagram.

Hip roof sheathing angles.

To derive formulas for the critical angles we need to define some terms which i do in figure 2. 13 85 was the difference between your 30 and the 7 12 30 26. See saw miter and blade angle settings. If you cut away the dark brown portion the piece remaining contains all the pertinent angles in 3d including the fascia compound miter angles the roof sheathing compound miter angles which are more important when working with thicker sheathing like 2x planking and the backing angles for hip and valley rafters.

Yes the face cut hip angle for sheathing for a 9 in 12 roof is 51 34 degrees that is the same angle as i stated in a post under framing on 7 16 02. However when the roof slope angle is steeper than an 8 12 pitched roof 33 69007 we will cut the plywood roof sheathing that attaches to the hip or valley rafter on the ground. The easiest way to make an roof sheathing stick is to lay the first plywood sheathe across the hip rafter and lay a stick parallel with the hip rafter and drive two nails next to the hip rafter. Cutting sheathing for a hip roof joseph my skill with the framing square is just fine i was taught to use one to cut roofs before pocket calculators were even invented.

Cutting sheathing for compound roof angles. With the saw bevel angle set to 45 cutting hips and creepers at the plumb cut angle will produce correct side angles. Ply sheathing angle and cut set back both sheet orientations sheathing hip cut calculator hip roof ply cut angle diagram 1138 93 ft 35 6 sheets waste 40 sheets. Hip roof framing hip to common to ridge join diagram.

It s something like the cos of the main pitch divided by the tan of the dormer pitch and then the inverse gives the angle eventually this b s fest i mean fire mtng will be over and i ll get to figuring it out. If using a circular saw or compound miter saw set saw bevel angle to 45 to obtain creeper and hip side angles. Sheathing angles hip roof joe that 13 89224 or 13 89 is the common rafter length per foot run on the framing square.