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Can I install EPDM over smooth surface asphalt or shingle roofs?

April 26, 2017Asphalt EPDM install roofs shingle smooth

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Can I install EPDM over smooth surface asphalt or shingle roofs?

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A – Installing EPDM over old smooth surface asphalt or shingles is not recommended. The adhesives used to adhere the membrane will activate “dead” asphalt and not bond properly. A retrofit or insulation board should be installed over the old substrate.