Roof Membrane R

Our epdm is manufactured thicker with a more uniform surface finish.

Roof membrane r.

The average r value for some common roof materials include. Based on the grace ice and water shield technology grace roof detail membrane is a flexible product that conforms tightly to common roof details such as skylights chimneys and dormer walls. Mechanically attached installation uses heavy duty screws and barbed plates to hold the membrane down tightly and is not affected by possible iso de lamination. Membrane roofs are predominately used as a flat roofing system since they are watertight which is critical where water is not shed immediately.

Pattern with perimeter sheets attached 6 o c. Always check with your local code authority. The membrane is attached using 12 o c. Our epdm production facility is one of the world s most technologically advanced allowing us to extrude our sheets instead of using the traditional calendering process.

Available in 9 in. R value is calculated by more than just the insulation. Only product in the marketplace to offer prefabrication of the entire roofing system. Duro last 50 mil membrane is manufactured with 28 mil of thickness on the top performance layer far exceeding industry standards as well as competitor systems with equal and even greater mil values.

Roof membrane available in 40 50 and 60 mil thickness. Epdm commercial roofing membranes with superior durability and flexibility epdm is a smart roofing solution. To calculate the r value of a roof system your contractor will take into account the underlayment coverboards adhesives insulation and even the membrane. Both types have an r value ranging from 4 r to 6 r per 1 inch of insulation thickness.