Roof Plywood Estimator

A 4 8 sheet of plywood is 32 ft 2.

Roof plywood estimator.

Muth company roofing recommends that older 3 8 inch plywood roof decks be replaced with 7 16 inch osb oriented strand board when it s time to install new roofing in columbus or other areas of central ohio. The pitch of this roof is 4 8 12. A steep roof pitch can add to the cost of installation as it will be more time consuming to work on a steeper pitch. Finding the number of sheets of plywood needed for a floor wall ceiling or cabinet begins with finding the area that needs to be covered.

Estimate the amount of plywood or osb needed for sheathing a roof. Find the square footage of each space and add together to find the total square footage needed. Area can be found by multiplying the length and width of the space in feet. A typical 4 foot by 8 foot sheet of plywood covers 32 square feet.

The following tools estimate the area of a roof as well as the amount of materials necessary to construct a roof of a given area. The calculation is based on that the plywood or osb oriented strand board sheets are of a 4 x 8 size. If this distance measures 4 inches you have a 4 in 12 pitch. For example if your roof is 1 500 ft 2 then it will take 47 sheets of plywood to sheath it.

Set the level on the edge of the speed square as shown below then place the heel of the speed square on a rafter or gable edge of the roof. To help your shingles last 50 years you need a sturdy deck. A complex roof architecture is more time consuming to complete than a simple flat roof due to angles and fitting. One sheet 32 ft this basically calculates the number of sheets needed for a gable roof.

If your roof area is 1 600 square. The calculator above can handle much of this math. Divide the total roof area by 32 to get the number of sheets you will need to cover the roof. Depending on the pitch additional equipment may also be necessary.

The house base area is the area of land that the house covers and for more complex shapes can be estimated using the area calculator. 8 inches and you have an 8 in 12 pitch. A speed square and level can be used to easily find the pitch of a roof. So dividing the area of the roof by 32 will give you the number of sheets needed.