Gravel Roof House

The additional complexity of your roof will add to the tar and gravel roof.

Gravel roof house.

Darker reddish brown roofs often cap off redbrick and off white houses. Once made of tar paper these types of roofs gradually are using more advanced materials such as fiberglass membranes. A gravel layer that is 2 to 3 inches thick suffices and too much gravel can impede water s movement. There are different types and weights of gravel used on flat roofs for these purposes.

Built up roof bur the traditional hot tar and gravel roof is built from three or more plies of waterproof material alternated with hot tar and ballasted by a layer of smooth river stone. Asphalt roofs and crushed stone asphalt and gravel roof are an affordable solution for flat roofs with a quality and sustainability of about 20 years. Built up roofing can include up to four plies or more consisting of alternating layers of bitumen asphalt coal tar or other adhesive with a topping aggregate layer of gravel or other materials. Remember there are multiple styled homes in the u s from.

Oakridge in desert tan about 97 per square. A multilayer asphalt and gravel roof membranes consist of asphalt and crushed stone. To protect the underlying layer of roofing materials as is the case with built up roofs burs. The tar is no longer used since the 70 s because of the risks and its toxicity.

To weigh down or secure the roofing material as is the case with single ply flat roofs. Red photo by istock. Unlike ground covers such as organic mulch gravel does not absorb moisture. Visit every supply house that sell your particular brand of tar and gravel roof and try to negotiate a better price with each supplier i save on average 20.

Gravel roof disadvantages on the other hand gravel roofs are hot energy inefficient heavy moisture trapping and unstable. This pale tan roof also picks up shades in the creamy yellow clapboards. Each layer is hot mopped with liquid asphalt to form a. Gravel is used on flat roofs for two reasons.

Contemporary colonial cape cod style ranch. Gravel particles shun precipitation allowing moisture to move away from the building s foundation. Built up roofing bur better known by their street name of tar gravel roofs bur is just that. Gravel roof advantages most gravel roofs are inexpensive to build offer some protection to vulnerable asphalt against uv damage and the stones are very durable.