Forum Discussion

profdant139's avatar
profdant139
Explorer II
Apr 27, 2014

Drilling thru roof for solar mounts: risk of leakage?

I'm a reasonably handy person -- lots of do it yourself projects, some of them fairly successful. I am thinking about a hundred watt panel on my roof -- that's practically all I have room for, and th...
brulaz's avatar
brulaz
Explorer
Apr 27, 2014
I second the use of 3M 5200 or 4200 Marine adhesive and sealant. Especially in the screw holes and under any mounting plates. The reason is that 3M 5200, in particular, is an excellent adhesive as well as sealant. Once mounted, you can cover the plate and screw heads with Dicor Lap Sealant which is primarily a sealant.

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