Epdm Ballasted Roofing System

Although a ballasted epdm fully adhered roof comes really close.

Epdm ballasted roofing system.

Extremely difficult to find a leak in this system since the membrane is well hidden. Drawbacks of a ballasted roof system. No roofing system is 100 resistant to everything. This is when the roof membrane is held in place by aggregate.

In fact the weight for a ballasted roof can range from about 15 pounds per sf psf to about 25 psf. In a ballasted roofing system the aggregate is usually stones at least an inch in diameter and applied heavily throughout the roof. Epdm ballasted roofing system. Firestone epdm ballasted system application.

Ballast stone traps a lot of dirt making patching difficult. Ballast stone fractures and gets sharper over time which can puncture the. An epdm ballasted system offers an economical roof system that can be applied to many different types of buildings assuming the building structure and decking have been designed to hold the additional weight of the ballast. It is most commonly used on large open roofs without many penetrations such as a warehouse.

Adds a lot of weight to the roof system typically 10 15 pounds per square feet. Depending upon the object and the membrane thickness epdm can puncture.