One sheet covers 32 square feet with 10 waste factor.
Plywood roof cost per square foot.
Let s very generously add another 50 per square for underlayment plywood nails and supplies etc for the total cost of materials at 150 per square.
For the sake of simplicity let s assume the middle of the road gaf timberline hd shingles which cost about 100 per square 100 square feet.
The national average cost to replace a roof is 7 211 with most homeowners spending between 4 707 and 10 460.
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.
Roofing over costs around 2 to 3 per square foot as opposed to the average full replacement cost of 4 50 so roofing over a 1 500 square foot roof may only cost 3 000 to 4 500.
Find the area of a roof.
Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive.
For low end plywood siding homeowners can expect to pay at least 2 40 per square foot.
To estimate costs for your project.
4 per square foot just like any other type of siding the cost of plywood siding differs depending on the quality of the plywood used as well as the cost of labor.
Conventional slope roof range between 4 in 12 and 8 in 12.
Once the area is known divide by the area of a 4 8 sheet to find how much sheathing is needed.
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.
One square foot of roof sheathing area.
A typical 4 foot by 8 foot sheet of plywood covers 32 square feet.
A low slope roof is anywhere from 2 in 12 to 4 in 12.
Roofing over does present some issues however.
Anything more than 9 in 12 is considered steep.
These benefits do not come cheaply though.
The average roof is 3 000 square feet or around 30 squares.
We figure that a carpenter can install about 77 square feet of plywood sheathing per hour with a little help from an unskilled worker.
Actual costs will depend on job size conditions and options.
For a basic project in zip code 47474 with 125 square feet the cost to install a asphalt shingle roof starts at 3 36 4 42 per square foot.
Roofing material is estimated by the square which is equal to 100 square feet.
Roof installation cost ranges from 400 to 550 per square depending on the roof size and materials used in reroofing.
Steeper sloped roofs are considered more aesthetically pleasing and last longer.
To find the amount of plywood needed to cover a roof start by finding the area of the roof.
This comes out to be around 3 000 to cover 1 250 square feet.