EPDM Rubber is one of the most common flat roofing systems for residential homes featuring low-slope or flat roofs, today. For the most part, it’s a fairly decent low-slope alternative to asphalt shingles that would normally require a minimum 3 to 12 roof pitch.

EPDM in a Nutshell

Rubber membranes for low slope and flat roofs are made from EPDM rubber, a type of synthetic rubber characterized by a wide variety of applications. The E in EPDM refers to Ethylene, P refers to Propylene, D refers to Diene, and M refers to its classification. The characteristics of natural rubber are modified to serve the purpose of synthetic rubber, which means that synthetic rubber has improved weather resistance qualities.

Costs

EPDM rubber roofing average installation cost is $4.00 to $6.00 per square foot, or about $6,000 to $9,000 for a 15 square (1,500 square feet) flat roof. The cost may be higher or lower depending on the tear-off and removal cost of the existing roof, insulation layers, and the number of penetrations on your flat roof.

Install Roof Shingles $7,500 Average price	Install Metal Roof $14,500 Average price	Install Flat Roof $8,225 Average price
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For comparison, PVC and TPO roofs cost an average of $5.50 to $7.50 per square foot installed, including materials and labor warranty.

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