Roof Plywood Needed

Rafters that are slightly farther apart might require inch or 5 8 inch thick plywood.

Roof plywood needed.

Sometimes referred to as roof sheathing or a roof deck this plywood acts as a foundation for the layers of underlay and the shingles on your roof and connects the roof to the frame of the house. A standard sheet of plywood is 4 8. Keep in mind that the load of the roof still plays a role in the plywood thickness. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended.

You need to measure your roof using a tape measure. Gable roof sheathing calculator imperial estimate the amount of plywood or osb needed for sheathing a roof. One sheet 32 ft. Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood.

You just need to multiply the length by the width. So dividing the area of the roof by 32 will give you the number of sheets needed. Unfortunately because the roof sheathing isn t normally visible damage can go unnoticed by homeowners. It will support roof.

The calculation is based on that the plywood or osb oriented strand board sheets are of a 4 x 8 size. When this is the case experts recommend a 5 8 inch thick sheet. The square footage of a hip roof area is identical to the square footage of a gable roof of the same measurements. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.

Even though it isn t visible it is very important to the structure of your home. A 4 8 sheet of plywood is 32 ft 2. It will be a good idea to get an extra few sheets of plywood when ordering to allow for waste and off cuts. This basically calculates the number of sheets needed for a gable roof.

Knowing this number can help you determine how many sheets of plywood you need for your roof. How many square feet are there in a 4 8 sheet of plywood.