For many years, flat roofs were exclusively made from built-up roofing. Innovation, however, has introduced an advanced material for flat roofs called modified bitumen. This roofing material was introduced in the early 1960s and has grown increasingly popular in both the residential and commercial sectors ever since.
Roofing manufacturers have different rules when it comes to warranties. Some cover both labor and materials while others only cover labor. Certain warranties are prorated, while others are not. Manufacturers also have their own criteria when it comes to what voids their protection. Read on as your leading roofing company shares the top three factors that can void your warranty. [Read more…]