Types of Roofs

Low slope roofs are most often found on commercial buildings and occasionally on older residential buildings or on things like porch extensions and added garage shelters. The technical definition is that a low slope roof has a drop of less than 4-inches per foot. That means this roof will drain water very slowly and it is therefore not advisable to use asphalt shingles on low slope roofs. The most typical roofing materials are Built Up Roofing, Modified Bitumin Systems, and EPDM which is a membrane system. The average life span of a properly installed syste