07 53 00 Elastomeric Membrane Roofing

07 53 00 Elastomeric Membrane Roofing


Specification Details

Pages

3

Dimensions

8.5" x 11"

Editable

Word Doc

Usage Limit

Unlimited Projects

Section

07 53 00

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Elastomeric Membrane Roofing

Utilize this section to specify rigid roof insulation, elastomeric membrane roofing, and related flashings.

 

Elastomeric membrane roofing consists of a single ply of roofing ethylene propylene diene terpolymer (EPDM membrane, either reinforced or non-reinforced. Elastomeric membranes are not heat weldable; they are seamed using adhesive. They can be installed as mechanically fastened, fully adhered, or loose laid and ballasted systems. They are often installed over a cover board to provide protection against hail and foot traffic and for enhanced fire protection.

 

The ability of a roof to withstand high winds and resulting wind uplift is directly affected by the roof systems construction and attachment. Organizations such as Factory Mutual (FM) and Underwriters Laboratories (UL) rate roof systems for wind resistance. While FM is an insurer and therefore places requirements on more than just the insulation attachment, their ratings can be used as a guide for the roofing system.

 

Roof insulation is available in many forms, the most common of which are included in this section.

The R-value of any insulation that uses a blowing agent, in this case polyisocyanurate and extruded polystyrene, decreases after the insulation is manufactured. Consequently, the R-value for this type of insulation is rated by LTTR – Long Term Thermal Resistance, typically measured 5 years after manufacture.

 

For assistance in selecting and detailing elastomeric membrane roofing refer to the National Roofing Contractors Association (NRCA) Roofing Manual: Membrane Roof Systems, available from NRCA at www.nrca.net.

 

Related Sections:

07 51 13 – Built-Up Roofing 

07 52 00 – Modified Bituminous Membrane Roofing 

07 56 00 Fluid-Applied Roofing 

 

 

Elastomeric Membrane Roofing

Eastomeric Membrane Roofing

 

 

 

       
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