To find the amount of plywood needed to cover a roof start by finding the area of the roof.
How may square feet in a plywood sheet.
800 32 25 sheets.
Use the drop downs below to select a length in feet.
We also have price or cost input which completely optional but allows you to calculate the cost of materials such as plywood aluminium.
It figures how many pieces long then how many wide.
The resulting number is the square footage for a four by eight area.
Hit the 4 button the multiplication button and lastly the 8 button.
How many square feet is a 20 20 room.
This formula works for finding the area no matter the size.
Take your handy dandy calculator out.
If you know you ll be using 4 foot by 8 foot sheets of plywood use the total roof area to find the set number of sheets you ll need.
For example if your roof is 3 000 square feet divide 3 000.
Covering 230 square feet requires eight sheets.
Find the area of a roof.
Once the area is known divide by the area of a 4 8 sheet to find how much sheathing is needed.
Plywood is sold in whole sheets you can t buy part of a sheet so round up to the next largest integer to determine the number of whole plywood sheets required to cover the floor area.
If your roof area is 1 600 square feet 1 600 divided by 32 will mean you need about 50 sheets to cover the roof.
Add 10 percent.
It wіll take 10 sheets оf рlуwооd or іnѕulаtеd sheathing tо cover thіѕ wаll.
Then do the same thing for the width.
The area you have is only 28 485 square feet.
A 4 8 sheet of plywood is 32 ft 2.
For more complicated shapes see the instructions below.
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.
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.
The sheet of plywood will cover 32 square feet.
For example a standard sheet of plywood 8 feet long and 4 feet wide has a surface area of 32 square feet.
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.
Calculate how many sheets of plywood are needed.
How many 4 x 8 sheets of plywood do i need.
Divide the roof s area by 32 32 is the total area of one sheet of plywood to find this figure.