Gravel Surfaced Built Up Roof

When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary.

Gravel surfaced built up roof.

Built up roofing systems have been in use in the u s. Photo of an aggregate surfaced bur. If you have a home with a flat roof a tar and gravel roof may be a good option for you. A rubber glove to spread the roofing cement.

You can choose the number of layers or plies that are installed. National roofing contractors association. Surfacings for built up roof systems include aggregate such as gravel slag or mineral granules glass fiber or mineral surfaced cap sheets hot asphalt mopped over the entire surface aluminum coatings or elastomeric coatings. In order to make the proper repairs a few materials are needed.

Gravel roofs our experience is that most gravel roofs are 3 ply hot mopped asphalt built up with a gravel finish applied. These roof systems are commonly referred to as tar and gravel roofs. Cellulose blown attic 3 8. A built up roof for example will typically include the built up membrane itself with or without gravel as well as some kind of insulation and cover board which will vary in thickness from roof to roof.

National roofing contractors association. Gravel to protect built up roofs a built up roof bur sometimes called a tar and gravel roof is a tried and true style of flat roof. 1 gallon of roofing cement. Aggregate surfacing has been applied to built up roof systems for over a century.

Built up systems are installed by alternating layers of asphalt or tar and supporting fabrics directly onto the roof. The aggregate which typically consists of gravel crushed rock or blast furnace slag is set in a uniform bitumen flood coat over the membrane surface. Pea gravel crushed rock and decorative rock white quartz are often dispersed into a flood coat of hot asphalt and applied over the top of the roof membrane. This acts as an adhesive when it cools.

Built up roof membrane smooth surfaced membrane only 0 24. This photo shows a split in a gravel surfaced built up roof that was causing some severe interior damage. Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system. Cellulose insulation manufacturers association.

Built up roof membrane gravel surfaced membrane and gravel only 0 33. Tar and gravel roofing tar and gravel roofs sometimes referred to as conventional built up roofing or bur roofs tar and gravel roofing is a system of flat roofing protection that is budget friendly and can have a lifespan of up to 30 years.