Many bundles of additional shingles are needed to start shingles on the eaves of the roof, especially on roofs with large areas. The primary function of starter shingles is to drain water that builds up between the roofing shingles. Sometimes, you'll require additional rakes as well.
To save money, you can buy shingles with three tabs for use for starter courses, or if you've got leftover shingles from roofing projects that could be used. You can also hire a roofing contractor at https://cbxphoenix.com/ to install your roof shingles.
A lot of roofing contractors use starter courses to rake edges as well to give an attractive edge. It is not recommended to apply laminated shingles to edges for rakes because they're too thick. To determine the amount of shingles that are required as starter courses , take measurements of the roof's edges and rakes. Then divide them by three, which is how long each of the shingles is.
Shingles have to be cut to the required size, meaning that the waste that is generated can't be avoided. Roofers will be cutting shingles that will fit around walls, ridges and valleys, in the vicinity of chimneys, and other features of roofing and features. Certain cut-offs are large enough to reuse, while others must be removed since they're too small. For certain kinds of shingles, like patterns, you need to buy the corresponding pieces otherwise , the appearance of the roof can be damaged.