EPDM

Adhered EPDM
Adhered EPDM utilizes reinforced or non-reinforced membrane varying in thickness from .045-.6 millimeters. The process entails mechanically fastening or adhering with adhesives or hot asphalt appropriate insulation to the roof deck. Next, EPDM membrane is fully adhered to the insulation. Membrane sheets are adjoined with a minimum of 3″ of membrane overlap and the use of adhesives or tapes. With an adhered EPDM roof, you will have the option of a 10, 15, or 20 year warranty.

Mechanically Fastened EPDM
Mechanically Fastened EPDM utilizes reinforced membrane ranging in thickness from .045-.060 millimeters. The process dictates that appropriate insulation be mechanically fastened to the roof deck and the membrane be mechanically fastened into the roof deck as well. Adjoining sheets are spliced together with a minimum of 6″ of overlap using cements or tapes for adhesive. With a mechanically fastened EPDM roof, you will have the option of a 10, 15, or 20 year warranty.

Ballasted EPDM
Ballasted EPDM utilizes non-reinforced EPDM membrane with a thickness of .045 millimeters. Both the membrane and insulation are loosely laid over the roof deck. Adjoining sheets of EPDM are spliced together with a minimum of 3 inches of overlap, using cements or tapes for adhesive. The membrane and insulation are then held in place with a minimum of 10 lbs (or ballast) per 1 square foot. Additional ballast may be required based on building height. With a ballasted EPDM roof, you will have the option of a 10, 15, or 20 year warranty.

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