I have a house with a slate roof 100 yrs old. One valley was done with EPDM rubber. I think of replacing it with aluminum shingles that looks like slate. The ridges are copper, don’t know if that will cause problem and ridges should be made from aluminum as well. The house is located in Boston, approximately 5 miles from the ocean. Thanks.
Copper ridges WILL be a problem for aluminum shingles, due to oxidation between copper and aluminum.
Just get aluminum ridges – it’s not that much money … and you can turn in all your copper to a scrap metal for pretty penny 🙂
PS – I’m also in Boston area, so if you need a referral for an excellent metal roofing contractor – let me know.
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