roof

I recently replaced my roof sewer vents, and it was surprisingly easy. Just making this post for reference. The original factory equipment are Ventline 2049. The replacements are Ventline V2049-03 https://www.amazon.com/dp/B000778LC0 The factory original sealant was grey butyl. I used Second...

I know not to use silicone, but what sealants would you recommend for the seams where the fiberglass front/end caps join with the aluminum roof? Also, is there a general purpose sealant that can be used for any roof penetrations PO gave me this stuff...