thanks for the info. For the Dicor, I've read it says "works on most TPO roof membranes". What if mine is not most? I also read that the same color/no fleece backing is an Alpha systems TPO membrane, so I'm thinking it's logical to use an Alpha systems sealant.
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Travel Trailer: 2019 Keystone Hideout 178LHS
Tow vehicle: 2019 F150, 2.7L Ecoboost (with 2.7L payload package)
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