Flat Roof With Stone Chippings

It also provides protection from foot traffic.

Flat roof with stone chippings.

However the chippings can move around or conceal defects in the roof and should not be walked on as they may puncture the membrane. Gravel is used on flat roofs for two reasons. Roofs covered with stone chippings do tend to grow moss quicker than a roof coating with no stones because the chippings provide the moss with the perfect growing area. 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.

Stone and slate chippings are a great alternative to gravel offering flatter textures to finish potted plants and borders. Chippings should only be used on roofs at less than 10 as complete adhesion at steeper pitched is not possible. Chippings can be used provide a ballast layer to help hold down the roof surface in exposed locations. To weigh down or secure the roofing material as is the case with single ply flat roofs.

Gravel to protect built up. The chips act as a barrier between non solar reflective felt and the sun basically help prolong its life span of the felt if its green mineral on your new roof you will not have to chip it as the minerals are solar reflective. The fact that they are covered in moss will allow them to absorb the suns rays therefore defeating the. Roof gravel provides a protective layer to flat roofs reducing the weather damaging effects from uv rays and heavy snow hail and wind.

To protect the underlying layer of roofing materials as is the case with built up roofs burs. These issues are not something that you should encounter in the natural lifespan of your flat roof so should be taken as a sign warranting investigation. Whether your roof is constructed from a standard 3 layer asphalt or from rubber based compounds or even sheets they are all susceptible to the growth of moss. The chippings are put on the roof to reflect the suns rays in order to protect the felt.