How To Square A Sheet Of Plywood

For example if the area to be covered in plywood is 800 ft 2 then 25 sheets of plywood will be needed to cover it.

How to square a sheet of plywood.

Mark the location of the square s center on the wood sheet with a pencil. These thin layers also called plies are glued together in alternating perpendicular directions to create a cross graining pattern. Place the framing square with the short leg flush with the sheet s edge and the long leg against the mark. If the diagonal measures 5 at the 3 mark of a 4 wide sheet of plywood then the corner is square.

For example if your roof is 3 000 square feet divide 3 000 by 32. Not all plywood is exactly 4 wide. This comes out to about 94 sheets of 4 x 8 plywood. This pattern results in added strength and stability that resists shrinkage and expansion.

A 4 8 sheet of plywood is 32 ft 2. Add an additional 10 for waste and mistakes. Cross cutting plywood sheets to desired length. Now that s how to easily rip cut a plywood sheet but what about cross cuts.

800 32 25 sheets. This video is a introduction to a short series about testing my panel cutting method with the 5 cut method. Divide by the total square footage by the square footage of a sheet of plywood to find the number of sheets required to cover the space. Again you could swap step 3 and 4 but i usually rip first then cross cut second.

Divide the roof s area by 32 32 is the total area of one sheet of plywood to find this figure. A string or a chalkline makes a ready reference for checking the straightness of a sheet of plywood. I use the festool multi routing template to set the festool track saw square. Item 12190 model 154783154783.

15 32 cat ps1 09 square structural douglas fir sheathing application as 4 x 8. If your plywood is moving while you are cutting clamp it onto your saw horses where it won t be in the way of your cutting. When cutting down i can get two sides parallel with no problem but have difficulty getting two adjacent sides square.