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Question DetailsAsked on 7/17/2015

I have a 20x24 insulated aluminum patio roof. It leaks where it meets the house and along the seams - replace cost?

It is a screened in patio. I do not need to replace the metal along the bottom for the screen only the roof part.

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2 Answers


Just a thought, Sunrooms also have same leaking areas and in the past a service call using Geocell elastomeric in caulking or brushable grade (available @ Menard's) has been a lifesaver. It is clear and although it is not immediately waterproof if allowed to dry overnight can be an easy DYI project. Buy throw away brush it is not worth cleaning.

Jim Casper Old Contractor

ps try angie's list for a good handyman to apply if you don't feel able

pps for ideas on gutters and gutter covers see my blogs


Answered 4 years ago by jccasper


In addition to the elastomeric sealant suggestion (which also comes in aluminum/silver color if roof is that color), sounds like in addition to sealant at the roof intersection you need some flashing to cover the transition and divert house roof runoff onto the patio roof over the transition.

The elastomeric at roofing panel seams may work for a few years if squeezed or brushed into the seams, but the best way is to loosen the fasteners at the seams (assuming overlapped seams) and caulk-tube it onto the lower sheet, then replace the fasteners so it squeezes the sealant tight between them.

For professional to do this - a Porch and Awning contractor, or a Roofer - but be sure they are careful about getting up on the roof and putting their weight directly on it - a patio roof may not be able to carry their weight in a concentrated location.

Answered 4 years ago by LCD

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