Flat Roof Vs Pitched Roof Gaf

The materials used are generally more weather resistant and durable though with more robust materials being introduced into the flat roofing market this gap is starting to close.
Flat roof vs pitched roof gaf. Roof deck protection 101. Roof deck protection allows moisture to escape from your attic while providing an exceptionally strong layer of protection against wind driven rain. Learn about the liberty sbs self adhering base ply sheet. According to improve net s online roofing calculator a flat roof is significantly cheaper than a pitched roof.
A 900 square foot flat roof in the san francisco area made of concrete tiles costs. Covering a flat roof is a whole different animal specialized skills and expertise are required than shingling a pitched one. Gaf analyzed membrane samples from roofs across the us and studied thickness over scrim surface cracking and the ability to repair aging tpo membranes. On a flat roof generally speaking you want to avoid any types of seams if at all possible.
See the benefits of roof deck protection a new roof is more than just shingles. Gaf mastering the roof chapter 14 the liberty system is designed for both new roofing and re roofing applications. The slope of the roof is steeper than the slight slope of a flat roof and so quickly disperses the water. Residential and commercial roofing shingles slate roof ventilation roof underlayments asphaltic and tpo roof membranes.
Full installation guide for low slope. A recent study of everguard tpo roofs installed between 8 and 16 years ago found they all performed above astm standards for newly manufactured tpo. The rainwater is collected in gutters and flows away safely to a drain. Pitched roofs very effectively divert water away from the roof and building below.