This is how you make a basic repair this is commonly known as a 3 course repair. Materials you will need. Doing a basic wall repair like this can save you a lot of money, and is very easy to do. This is a standard method of repair and can be used on built-up or SBS modified…
Description Built-Up Roofing (BUR) is a traditional flat-roof system made by installing multiple layers of roofing felt bonded together with hot asphalt. These layers are assembled in “plies,” most commonly: The roof is finished with a protective surface, which may include: The asphalt between layers serves as the primary waterproofing. Common Uses BUR systems are…