Is A Flat Roof Also A Built Up

Bur consists of many layers.

Is a flat roof also a built up.

The gravel and tar built up roof is the one most commonly known. The build up roof. Flat roofs exist all over the world and each area has its own tradition or preference for materials used. The built up roof is generally a flat roof or a low pitched roof which is made of a number of levels.

As you might imagine this is the cheapest version possible and good for covering a shed. Also known as the built up roof bur this type of flat roof features three or more layers of waterproof material mixed in an alternating fashion with hot tar and a layer of smooth stone like gravel. In warmer climates where there is less rainfall and freezing is unlikely to occur many flat roofs are simply built of masonry or concrete and this is good at keeping out the heat of the sun and cheap and easy to build where timber is not readily available. A gravel and tar built up roof is exactly that layers of gravel and asphalt laminated felt on top of a flat roof.

A bottom layer or two of insulation board multiple intermediate layers of tar or asphalt alternated with layers of roofing felt and a top layer of gravel. Built up roofs or burs also called a tar and gravel roof is a well established and popular style of flat roof that is made up of alternating layers of roofing felt or fiberglass and asphalt that is applied with heat which combine to make a long lasting sturdy roofing system.