Pebble Ballast Roof

Easy to spread the material provides good insulation and drainage and is ideal to walk on during roof inspections.

Pebble ballast roof.

Ballasted flat roofs are a popular choice especially for commercial buildings. Ballasted roof systems are not really a new concept. Our roofing shingle is a clean natural material with a good visual impact power screened to industry standards. Ballasted roof systems are simultaneously a roofer s best friend and arch nemesis.

Magazine and roofing southwest although. Somebody walking on the roof will undoubtedly step on the ballast and put a hole in the membrane. They look aesthetically appealing and installation is fast and easy. Holes mean roof leaks and roof leaks mean call the roofer.

They were installed on roofs even in the early 1970 s. Simply put a ballasted roof is easy to install and basically guaranteed maintenance work for a roofer. Additional benefits of ballast on a flat roof. The buildup is ballasted with a gravel layer of at least 50 mm and 80 kg m 2.

This is an alternative size for most ballasted flat roofs with a higher wind load. 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. 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. The single ply membrane and other roof components including thermal insulation are loose laid.