Considering a flat roof extension for your home? Forget what you've heard, this is a great way to add space and value to your ...
BUR, or built-up roofing.This material is also known as tar and gravel roofing. It’s made from layers of bitumen and gravel ...
Then come multiple layers of roofing felt, followed by bitumen — a crude oil byproduct ... mindful that this material is best suited for a flat or low-slope roof. An extreme slope makes it ...