Flat Roof Gravel Size

Gravel is used on flat roofs for two reasons.

Flat roof gravel size.

Email save comment 2. It also provides protection from foot traffic. Gravel to protect built up. We recently had the building regs inspector around to sign off the extension we have had built.

There are so many tipes of gravel out there now all different colours and shapes. Can i use pea shingle size 10 15mm does anyone know what sort of area one of the bags from a diy store would approx cover. He told me that i needed to lay some gravel on the flat roof. Our roof gravel is available for delivery in tunnel lift bulk bags allowing an easy method of transporting the gravel onto a roof using a crane not provided.

Roof gravel provides a protective layer to flat roofs reducing the weather damaging effects from uv rays and heavy snow hail and wind. To weigh down or secure the roofing material as is the case with single ply flat roofs. Their is silver fire proof paint out there now thats is painted on the roof you might get this fire proof paint in black or other colours. Thats if you dont want to use stone if you want to use pebbles.

There are different types and weights of gravel used on flat roofs for these purposes. To protect the underlying layer of roofing materials as is the case with built up roofs burs. The idea of putting gravel on flat roofs was to stop sparks landing on the roof and starting a fire.