Most builders spend a lotof time and money making sure the walls of their homes remain weather proof, using a moisture management routine that involves housewraps, home slickers, and flashing. The roof, however, seems to be another matter entirely.
Some of the same construction professionals take a more relaxed approach to their roofs. They may install an ice and water shield on the first 3 feet of the ro...
How do you know what kind of flat roof is right for your building?
Built-Up Roof (BUR)
The traditional hot-tar-and-gravel roof is built from three or more plies of waterproof material alternated with hot tar and ballasted by a layer of smooth river stone. Once made of tar paper, these types of roofs gradually are using more-advanced materials such as fiberglass membranes.