About to drill through the roof to mount solar panels- tips?
Just that. :) I've got 200W of solar I'm planning on wiring up today.
Forum Discussion
Sky: it sounds like you have stale product? Virtually all caulking and seam sealant goes bad after some time period on the shelf (1 year; 16 months; etc...). Caulking not sold before expiry date is often shipped back to manufacturer by retailer (or, distributor). However, I have seen (on many occasions) very badly expired caulking on numerous building supply store (and, RV parts store) shelves! Some of it (after I've done a squeeze test on the tube) had turned into nearly cured rubber-like substance.
Sealant is a very tricky thing: always check the expiry date of the caulking (marked on every tube). I never buy sealant of the expiry date is within 6 months of ending.
eg. my Fast-Cure 3M 4200 is still in excellent shape after 3.7 years on the camper exterior. The Pro Flex (Geocel) is in fairly good shape around my TPO roof-line after 9 years, however, I will be replacing the TPO caulking this summer (with Geocel: designed for TPO contact).
Sealant is a very tricky thing: always check the expiry date of the caulking (marked on every tube). I never buy sealant of the expiry date is within 6 months of ending.
eg. my Fast-Cure 3M 4200 is still in excellent shape after 3.7 years on the camper exterior. The Pro Flex (Geocel) is in fairly good shape around my TPO roof-line after 9 years, however, I will be replacing the TPO caulking this summer (with Geocel: designed for TPO contact).
