Fully Ballasted Roof

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

Fully ballasted roof.

In other states like massachusetts ballast roof systems are illegal in certain towns because of the additional weight it adds to the building. Ballasted roof systems are simultaneously a roofer s best friend and arch nemesis. Holes mean roof leaks and roof leaks mean call the roofer. Although a ballasted epdm fully adhered roof comes really close.

A ballasted roof also helps protect the epdm membranes from punctures from tree branches. The stone used for single ply ballast has been sized using astm d448. When the concept first came to the u s plenty of roofers scratched their heads and wondered how the roof stayed on without being anchored especially during high winds or storms. It can perform well in high winds if it is adequately embedded into the asphalt matrix or is on a roof with a high parapet.

A ballasted roof means that the roof membrane is not anchored or adhered in any way to the decking material. If your building is in an area that s in danger of falling debris such as tree branches or heavy foot traffic opt for a thicker membrane such as 75 mil. The ballasted system ballasted systems the workhorse of the three epdm roofing systems account for approximately 35 percent of epdm installations today. Because of its reflectivity white epdm is installed using mechanically attached or fully adhered systems.

Built up roofs are designed to be fully adhered to the underlying roof matrix either the roof deck or insulation that is above the roof deck.