Gravel Surfaced Built Up Roof

National roofing contractors association.

Gravel surfaced built up roof.

Built up roof membrane smooth surfaced membrane only 0 24. 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. This photo shows a split in a gravel surfaced built up roof that was causing some severe interior damage. For over 100 years.

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. Gravel roofs our experience is that most gravel roofs are 3 ply hot mopped asphalt built up with a gravel finish applied. 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. Built up roof membrane gravel surfaced membrane and gravel only 0 33.

When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary. If you have a home with a flat roof a tar and gravel roof may be a good option for you. Cellulose insulation manufacturers association. 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.

This acts as an adhesive when it cools. Built up systems are installed by alternating layers of asphalt or tar and supporting fabrics directly onto the roof. Photo of an aggregate surfaced bur. Most houses with flat or nearly flat roofs are topped with built up roofing or tar and gravel roofing made from fiberglass based asphalt sheeting that is applied in layers with hot bitumen tar mopped on between each layer.

1 gallon of roofing cement. National roofing contractors association. Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system. National roofing contractors association.

These roof systems are commonly referred to as tar and gravel roofs. 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. A rubber glove to spread the roofing cement. In order to make the proper repairs a few materials are needed.

Cellulose blown attic 3 8. Built up roofing systems have been in use in the u s.