Weight Of Ballasted Epdm Roof

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Weight of ballasted epdm roof.

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. First ballast material is heavy adding between 10 and 25 pounds per square foot to a building s load. At only half a pound per square foot for 60 mil fully adhered membrane only epdm it s significantly lighter than your average asphalt shingle which weighs roughly 2 3lbs per square foot. 1075 2000 lbs.

52 5 97 65 kg. A loose ballasted roof where you have 1 to 2 inches of gravel is more on the order of 12 psf. Ballast stone traps a lot of dirt making patching difficult. Fast and easy to install a roll of epdm roofing material because epdm is manufactured in large sheets or rolls it is quick and easy to install.

The weight of a roofing system varies depending on components used. Using large panels measuring up to 50 feet by 200 feet the ballasted system provides fast coverage at a relatively low cost. Once completed the epdm membrane is held in place using one of the following materials as ballast with a minimum weight of 50 kg m. Gravel in form of round smooth river washed aggregate without broken pieces nominal 16 to 32 mm.

Epdm roof membrane 90 mil fully adhered membrane only 0 56 lbs. Insulation membrane fasteners and adhesive typical installation weight is less than 2 pounds per square foot 10 kg per square meter when 060 thick membrane typically weighing 1 3 pound per square foot or 1 6 kg per square meter is utilized. Managing the heavy ballast also can be an issue. Adds a lot of weight to the roof system typically 10 15 pounds per square feet.

Crushed gravel that must be graduated. Ballast stone fractures and gets sharper over time which can puncture the membrane. The ballasted system ballasted systems the workhorse of the three epdm roofing systems account for approximately 35 percent of epdm installations today. Epdm roof membrane 60 mil ballasted membrane and stone ballast only 10 75 20 lbs.

Insulation membrane fasteners and adhesive typical installation weight is less than 2 pounds per square foot 10 kg per square meter when 060 thick membrane typically weighing 1 3 pound per square foot or 1 6 kg per square meter is utilized. After combining the weight of components i e. Can epdm be used on freezer applications. Similar to any roof system ballasted roofs have limitations and are not ideal for every building.

Ballasted systems demand roof structures that can support the extra weight. Ballasted roof dead load jike structural 19 jun 14 22 09. Extremely difficult to find a leak in this system since the membrane is well hidden. After combining the weight of components i e.