Built-up Roofs (BUR)

Built-up roof installation: Layers of roofing felts and hot-applied asphalt make up this built-up roof membrane.

View of a gravel-surfaced built-up roof.

Useful Links:

1. General: For an informative, in-depth general article about various roof systems, see this page at the Whole Building Design Guide site, which is maintained by the National Institute of Building Sciences.

2. Inspection of built-up roof systems: ROOFER: An Engineered Management System (EMS) for Bituminous Built-Up Roofs is an extremely detailed and valuable resource put together by the US Army Corps of Engineers' Engineer Research and Development Center.

3. SafetySee this Material Safety Data Sheet for health and safety information about the roofing asphalt used in built-up roof systems at the Owens Corning website. This is only an example and other products and brands may be different.

4. SafetySee this Material Safety Data Sheet for health and safety information about coal tar pitch at the Durapax websiteThis is only an example and other products and brands may be different.

5. SafetySee this Material Safety Data Sheet for health and safety information about the interply felts used in built-up roof systems at the Johns Manville websiteThis is only an example and other products and brands may be different.

6. Technical: See this installation guide for insight into how a built-up roof system is put together. Provided by Johns Manville.

7. A list of built-up roof system manufacturers can be seen here.