Ebook Description :

Pitch measurement method 1 1 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 levels bottom straight down to the roof if this distance measures 4 inches you have a 4 in 12 pitch 8 inches and you have an 8 in 12 pitch. For most shingle types it takes 3 bundles to cover each square so heres the last piece of shingle math you need to do multiply your number of squares by 3 the resulting number is how many bundles of shingles you can expect to use for your project. Roofing contractors estimate projects and materials by the square so it is crucial to find this measurement to estimate the amount of material needed accurately a square simply refers to a 10 x 10 square of roofing this is simply 100 square feet of roof to find the squares divide the overall roof area by 100 and then round up