However when the flat roofing installation is up to very high standards it can add a few years to the life.
Is a flat roof also a built up.
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.
Flat roofs exist all over the world and each area has its own tradition or preference for materials used.
The gravel and tar built up roof is the one most commonly known.
The build up roof.
As you might imagine this is the cheapest version possible and good for covering a shed.
Built up roofing bur built up roofing bur was the most common type of flat roof before modified bitumen and membrane roofing were developed.
The built up roof is generally a flat roof or a low pitched roof which is made of a number of levels.
Bur consists of many layers.
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.