Hip Roof Sheathing Angles

With the saw bevel angle set to 45 cutting hips and creepers at the plumb cut angle will produce correct side angles.
Hip roof sheathing angles. 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. 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. 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. Hip roof framing hip to common to ridge join diagram.
To derive formulas for the critical angles we need to define some terms which i do in figure 2. If using a circular saw or compound miter saw set saw bevel angle to 45 to obtain creeper and hip side angles. The sheathing tab displays a plan view of the corner of the main roof and the hip end roof viewed at an angle perpedicular to the plane of the roof and showing all dimensions and angles necessary to calculate and cut the required sheathing. Cutting sheathing for compound roof angles.
13 85 was the difference between your 30 and the 7 12 30 26. 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. Hip roof framing rafter cut angle template diagram. 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.
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. Using these angle definitions i will derive formulas for the sheathing θ s and hip pitch angle θ h given the common pitch angle which i call the roof pitch θ r and plan angle θ p. Sheathing angles for hip angle measured on the t g sheathing angle 50 23784â saw miter angle jack rafter side cut angle 39 76216â saw blade bevel angle backing angle 23 09347â formulas for commonly used roof framing angles framing and joinery angle calculators diagrams and formulas.