Why Put Stone Chippings On A Flat Roof

Our roofer has told us that we don t require chippings on our new flat roof due to the quality of the felt he has used.

Why put stone chippings on a flat roof.

To protect the underlying layer of roofing materials as is the case with built up roofs burs. To weigh down or secure the roofing material as is the case with single ply flat roofs. Originally your flat roof should have installed with slight pitch to allow water to drain away. What ever you consider to do think about the extra weight you will add to the roof structure by adding a layer of gravel chippings.

Most flat roofs will need some form of surface protection for the following reasons. Gravel to protect built up. 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. There are different types and weights of gravel used on flat roofs for these purposes.

A flat roof should actually have a fall of at least 1 in 80 and preferably more. Flat roof surface protection. So it sounds as though your problems are caused not by the presence of the stone chippings but rather by poor. There are two torched on layers with the top layer being a green mineral felt which i must say does look very smart.

Gravel is used on flat roofs for two reasons. The roof covers quite a large area and incorporates an existing. Two common problems faced by owners of flat roofed properties are the build up of moss or silt and the free movement of improperly secured gravel chippings or pea shingle from the surface.