How To Figure Plywood For Hip Roof
The square footage of a hip roof area is identical to the square footage of a gable roof of the same measurements.
How to figure plywood for hip roof. Here you can calculate hip roof parameters by hip raise and. Divide the width of the plywood 48 by the length of the rafter per foot of run in inches. Hip roof sheathing imperia. From your average hip roof calculator to something more specific like a hip roof rafter calculator there is plenty to consider with this kind of calculation.
But first consider buying my book the roof framers field manual. This basically calculates the number of sheets needed for a gable roof. 800 32 25 sheets. It helps support this site.
Estimate the number of sheets of plywood or osb that are needed for sheathing a hip roof. Cut the plywood for that hip or valley in advance. Divide the total roof area by 32 to get the number of sheets you will need to cover the roof. The calculation is based on 4 x 8 sheets 32 square feet each.
If your roof area is 1 600 square. A typical 4 foot by 8 foot sheet of plywood covers 32 square feet. Multiply the length of the roof in feet by the width of the roof in feet to find the area of the roof in square feet. 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.
One sheet 32 ft. To find the amount of plywood needed to cover a roof start by finding the area of the roof. Once the area is known divide by the area of a 4 8 sheet to find how much sheathing is needed. 1 pyramid hip roof roof base is a square roof sides are identical isosceles triangles 2 hip roof roof base is a rectangle two sides are identical isosceles triangles and two sides are identical trapeziums.
Find the area of a roof. Estimate the amount of plywood or osb needed for sheathing a roof. A 4 8 sheet of plywood is 32 ft 2. To do this your best bet is definitely finding a good hip roof construction calculator so that you can work it all out in a timely and simple fashion.
Hip roof framing hip to common to ridge join diagram.