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.
Plywood roof cost per square foot.
Roofing over does present some issues however.
A 12 in 12 roof can cost up to 50 more than a 4 in 12 roof.
Actual costs will depend on job size conditions and options.
Conventional slope roof range between 4 in 12 and 8 in 12.
This comes out to be around 3 000 to cover 1 250 square feet.
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.
Steeper sloped roofs are considered more aesthetically pleasing and last longer.
We figure that a carpenter can install about 77 square feet of plywood sheathing per hour with a little help from an unskilled worker.
The average roof is 3 000 square feet or around 30 squares.
To estimate costs for your project.
Once the area is known divide by the area of a 4 8 sheet to find how much sheathing is needed.
Anything more than 9 in 12 is considered steep.
A typical 4 foot by 8 foot sheet of plywood covers 32 square feet.
These benefits do not come cheaply though.
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.
A low slope roof is anywhere from 2 in 12 to 4 in 12.
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.
The national average cost to replace a roof is 7 211 with most homeowners spending between 4 707 and 10 460.
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.
Add 10 percent.
One sheet covers 32 square feet with 10 waste factor.
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.
Set project zip code enter the zip code for the location where labor is hired and materials.
Find the area of a roof.
One square foot of roof sheathing area.
Roofing material is estimated by the square which is equal to 100 square feet.
For low end plywood siding homeowners can expect to pay at least 2 40 per square foot.
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.