San Diego Tar And Gravel Roof

Modified bitumen built up roofing.

San diego tar and gravel roof.

If you plan not to remove the roofing membrane along with the tar and gravel make sure you are cutting only as deep as necessary. Built up roofing bur is one of the oldest and most reliable and durable commercial roofing systems for buildings with low slope or flat roof structures. Tar and gravel roofing is meant to be installed on buildings that have flat or low slope roofs i e. Preparing and coating tar and gravel roofs can be extremely difficult with a traditional roof coating approach.

Break up the tar and gravel roof with a carbide roofing cutter. No more than 3 inches of rise for every 12 inches of length. They are composed of layers of perforated felt or fiberglass material with asphalt in between flooding the top with asphalt and applying gravel to the hot asphalt. Tar gravel roofs have been around for centuries.

Unfortunately we have found that things like wind rain and vibrations move the gravel over time. Today s systems are made up of alternating layers of bitumen reinforced advanced materials that include fiberglass roof membranes. 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. This exposes the roof to the elements and decreases its life expectancy.

It must be carbide because it is stronger and stiffer than anything else. Their use has decreased with the more effective modern materials. Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system. The traditional roof coating system simply do.

There are two main types of burs or tar and gravel roofing systems modified bitumen roofs which are a mix of asphalt and rubber with a layer of gravel on top and ballast roofing which is a different style of larger gravel applied on top of a single ply roofing system. Used in the united states for more than 100 years tar roofs were traditionally six ply meaning that they had six layers of roofing material. On older san diego homes it is common to see flat roof hot mop rock systems where gravel has been applied over tar. In the past a tar and gravel roofing system also known as built up roofing typically consisted of tar paper.

We recommend torch down roofing for flat roofs.