Pebble Ballast Roof

Simply put a ballasted roof is easy to install and basically guaranteed maintenance work for a roofer.

Pebble ballast roof.

The single ply membrane and other roof components including thermal insulation are loose laid. Our roofing shingle is a clean natural material with a good visual impact power screened to industry standards. Gravel ballast of 20 40 mm diameter is required in order to provide resistance to the effects of wind scour bre digest 311 july 1988 refers which can easily remove smaller units from the roof. This is an alternative size for most ballasted flat roofs with a higher wind load.

Easy to spread the material provides good insulation and drainage and is ideal to walk on during roof inspections. The gravel in a ballasted roof helps absorb heat preventing the sun from heating the roof materials below and making the roof more energy efficient. Ballasted roof systems are not really a new concept. Additional benefits of ballast on a flat roof.

Ballasted flat roofs are a popular choice especially for commercial buildings. Though ballast roofing systems look very similar to built up roofing systems or bur s there are certain differences. Holes mean roof leaks and roof leaks mean call the roofer. Ballasted roof systems are simultaneously a roofer s best friend and arch nemesis.

The use of timber decking can also be considered as a ballasted application but due to its general lack of sufficient actual dead weight to resist. Magazine and roofing southwest although. Somebody walking on the roof will undoubtedly step on the ballast and put a hole in the membrane. The buildup is ballasted with a gravel layer of at least 50 mm and 80 kg m 2.