How Much Plywood For 800 Sq Ft Roof

1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.

How much plywood for 800 sq ft roof.

To find the amount of plywood needed to cover a roof start by finding the area of the roof. The calculation is based on that the plywood or osb oriented strand board sheets are of a 4 x 8 size. Find the area of a roof. Remember the longer the cut the more the waste.

Roofing cost per square foot. No calculator can tell how much waste will be on each run plywood. Average costs and comments from costhelper s team of professional journalists and community of users. Or 450 per square to replace an asphalt shingle roof.

Then add at least four feet for waste. Do it yourself materials to install an asphalt shingle roof on an average one story ranch style home with a gently sloping roof of 1 700 2 100 square feet can run 680 3 700 depending on the quality of the materials. A new asphalt shingles roof for a typical 2 000 sq. How much a new roof should cost.

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. 800 32 25 sheets. Across the us a typical architectural asphalt shingle roof will cost between 4 00 and 7 00 per sq.

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 square footage of a hip roof area is identical to the square footage of a gable roof of the same measurements. One sheet 32 ft. Get the square footage of roof and divide it by 100 and it will give the number of squares you need and for every decimal number over 3 buy a bundle to achieve the amount of material.

Roofing over does present some issues however. 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. That said on average most contractors will charge between 3 50 and 5 50 per square foot or 350 to 550 per square 100 sq ft to install or replace an asphalt shingle roof on a typical house. Thus at the mid point of the above price range you can expect to pay about 4 50 per sq.

This basically calculates the number of sheets needed for a gable roof. For a shape like a circle pentagon hexagon or octagon find 25 of the width and measure the length at that point. Single story ranch house can range in price from 8 500 to 16 500 fully installed. This price range.

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. According to the united states census the average roof is 17 squares or about 1 700 square feet. When calculating roofing costs per square asphalt shingles run from 350 and 500 per square metal or tin roofs costs 600 to 1 200 per square and concrete or clay costs between 1 200 and 1 800 per.