How Much A Square Foot To Roof A House

Divide this by one hundred for the number of squares.

How much a square foot to roof a house. Remember to add two feet for valleys. A square is equal to 100 square feet of the 3 dimensional roof surface. The average roof is 3 000 square feet or around 30 squares. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.

Estimate the pitch of the roof. All professional roofers use squares to measure and estimate roofs. Outside of the u s a degree angle is typically used. In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches.

Measure each roof plane. A roof that s less than 1 000 square feet will cost around 4700 while a roof that s 1 000 to 1 000 square feet will cost around 9 200. The average residential roof size in the us is about 1 700 square feet or 17 squares although there are many larger homes with roofs that are twice as large. Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100.

This nominal square footage amount is then multiplied by a factor associated with the roof s pitch. For shapes such as trapezoids triangles and trapeziums find the average length by finding the center of the width. Roofing material is estimated by the square which is equal to 100 square feet. It is often compared to slope but is not exactly the same.

Measure your house at ground level then add in the roof s overhang for greater accuracy. 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. There are three bundles of shingles for each square. Add the square footage of all of the roof planes together.

The answer is the number of roofing squares for the roof. Roofing cost per square foot. According to the united states census the average roof is 17 squares or about 1 700 square feet. Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive.

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 square. Roofing material pricing is in 10 by 10 foot 100 square feet sections. A typical homeowner spends between 5 209 and 10 249. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.

Roofing contractors charge different prices in different regions of the us. The average national price for roof installation is 7 727. Average roof replacement cost by roof size. In many cases the larger your roof the more you ll pay to replace your roof.