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Posted by Harold Kestenholz - Hydronic Network on April 9th, 2001 01:31 PM
In reply to EPDM rubber roofing questions by Charlie on April 8th, 2001 11:32 AM [Go to top of thread]

EPDM is a tough material, similar to tire tube. I have used it for solar applications and walked on it on roofs. It is degraded by bitumen or oils, so it must be kept from oil-based materials. If the traffic is not frequent it should last. I have some tank bladder sheet material from 20 years ago as good as when purchased. Any piercings, such as nails or screws through the material should be done through a piece of patch with silicone caulking between to prevent leaks, then silicone drop over the fastener head.

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