Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs.
How many playwood is a squeer roof.
The square footage of a hip roof area is identical to the square footage of a gable roof of the same measurements.
The average roof is 3 000 square feet or around 30 squares.
This basically calculates the number of sheets needed for a gable roof.
The calculation is based on that the plywood or osb oriented strand board sheets are of a 4 x 8 size.
Once you have the area you can divide by the area of a sheet of plywood to find the number of sheets needed.
Roofing material is estimated by the square which is equal to 100 square feet.
For most home improvement projects knowing how to calculate square footage is an important skill.
One sheet 32 ft.
Most roofs will be sheathed in plywood at least 3 8 inch thick.
From flooring to paint to landscaping square footage is going to be a necessary measurement to get the right amount of materials for your project.
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.
This comes out to about 94 sheets of 4 x 8 plywood.
For example if your roof is 3 000 square feet divide 3 000 by 32.
Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive.
A 4 8 sheet of plywood is 32 ft 2.
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.
Our square footage calculator sqft calculator helps you calculate the area required for roofing shingles landscaping for a garden tiling flooring space carpeting and wallpaper.
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.
There is even a siding square footage calculator so you can estimate house siding costs without any hassle.
See the image below for more explanation on rise run and pitch.
So dividing the area of the roof by 32 will give you the number of sheets needed.
A 12 in 12 pitch is a steep 45 degree angle roof.
800 32 25 sheets.
That will suffice on a roof with rafters set 16 inches apart with minimal roof loads.
A 4 8 sheet of plywood is 32 ft 2.