Asphalt shingles are made by using a layer of asphalt on a base mat and covering it with a layer of granules. The two layers allow these singles to be waterproof and UV-resistant, making them a favourite among roofers across Canada.
Asphalt shingles are made by using a layer of asphalt on a base mat and covering it with a layer of granules. The two layers allow these singles to be waterproof and UV-resistant, making them a favourite among roofers across Canada.
