Roof Membrane R

Please note that the r values for roof membranes shingles tiles air films and roof deck materials might or might not be permitted by your local code to be included when total roof assembly r value is being calculated for the purpose of satisfying energy code requirements.

Roof membrane r.

Both types have an r value ranging from 4 r to 6 r per 1 inch of insulation thickness. 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. Available in 9 in. 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.

W it is the optimal choice for valleys and transition areas such as ridges rake edges and drip edges. 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. Roof membrane available in 40 50 and 60 mil thickness. 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.

The average r value for some common roof materials include. R value is calculated by more than just the insulation. The membrane is attached using 12 o c. Membrane roofs are predominately used as a flat roofing system since they are watertight which is critical where water is not shed immediately.

Membrane roofing is a roof system that creates a continuous watertight covering to protect the interior of a building. Epdm commercial roofing membranes with superior durability and flexibility epdm is a smart roofing solution. Our epdm is manufactured thicker with a more uniform surface finish. Always check with your local code authority.