I should have known better. I should have known better. Why did I trust a Camping World retail person to steer me correctly? $#()*!@#!#@! Okay, now that that's out of my system ... How do I ...
I used the non-sag, but I soon discovered that it will all turn black like my roof's Dicor, which is probably why Winnie recommended the Thermoplastic caulk for runs that you'll see day in and day out.