Is A Flat Roof Also A Built Up

Built up roofing bur built up roofing bur was the most common type of flat roof before modified bitumen and membrane roofing were developed.

Is a flat roof also a built up. The gravel and tar built up roof is the one most commonly known. 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. The built up roof is generally a flat roof or a low pitched roof which is made of a number of levels. A gravel and tar built up roof is exactly that layers of gravel and asphalt laminated felt on top of a flat roof.

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. That is because it s not only the quality of the roof installed that matters with the addition of a professional touch you will have a roof that will serve you for 20 years or more. 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. Bur consists of many layers.

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. However when the flat roofing installation is up to very high standards it can add a few years to the life.