Roof Plywood Needed

In this case a 4 8 sheet of plywood is 32 square feet.

Roof plywood needed.

It will support roof. This basically calculates the number of sheets needed for a gable roof. How many square feet are there in a 4 8 sheet of plywood. The calculation is based on that the plywood or osb oriented strand board sheets are of a 4 x 8 size.

The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. You need to measure your roof using a tape measure. Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood. Knowing this number can help you determine how many sheets of plywood you need for your roof.

For example if your roof is 1 500 ft 2 then it will take 47 sheets of plywood to sheath it. The square footage of a hip roof area is identical to the square footage of a gable roof of the same measurements. Even though it isn t visible it is very important to the structure of your home. Gable roof sheathing calculator imperial estimate the amount of plywood or osb needed for sheathing a roof.

A 4 8 sheet of plywood is 32 ft 2. Rafters that are slightly farther apart might require inch or 5 8 inch thick plywood. Osb and plywood come in thicknesses ranging from 5 16 to 3 4 inch and the thickness needed for a particular roof depends on several factors including rafter spacing expected load and roof. One sheet 32 ft.

It will be a good idea to get an extra few sheets of plywood when ordering to allow for waste and off cuts. A standard sheet of plywood is 4 8. You just need to multiply the length by the width. When this is the case experts recommend a 5 8 inch thick sheet.

So dividing the area of the roof by 32 will give you the number of sheets needed. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended.