8 inches and you have an 8 in 12 pitch.
Roofing average 1200sq ft.
The average cost for a new metal roof is 11 000 but most homeowners will pay between 7 858 and 14 412 depending on the size and slope or roof and the materials chosen.
On a ladder beside the roof place the level a foot or so up the roof hold it level and measure from the 12 inch mark on the level s bottom straight down to the roof.
Roofing felt is sold by the roll.
The average roof is 3 000 square feet or around 30 squares.
Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive.
Rolls of felt are 36 wide x 144 long for 15 and 72 long for 30.
Roofing material is estimated by the square which is equal to 100 square feet.
However most roofing contractors will price your roof per square meaning 100 square ft.
The average roll of 15 pound roofing felt covers about 400 ft 2 or 4 squares while the average roll of 30 pound roofing felt covers about 200 ft 2 or 2 squares.
On average a metal shingle roof ranges from 7 to 10 per square foot installed while a standing seam metal roof costs between 10 and 12 per square foot installed.
If this distance measures 4 inches you have a 4 in 12 pitch.
Of total coverage equals 1 square.
Roofing cost per square foot.
Or 15 squares in roofing terms.
According to the united states census the average roof is 17 squares or about 1 700 square feet.