Prepping RV roof for caulking
We have a 2005 motorhome with a fiberglass roof. I've been told by a couple of techs that it's time to re-caulk (Dicor) the seams on the roof. They mentioned cleaning the roof, so the caulk adheres we...
Forum Discussion
dshinnick wrote:
I was planning on taking a bucket of water&something up there and washing the roof with a soft bristle brush, and rinsing it well.
Depends a lot on how your fiberglass roof is constructed. On my Newmar, the roof is a big rectangle of fiberglass that is overlapped and glued & screwed onto more fiberglass.
My roof had some "warped" fiberglass where water had entered so I had to re-glue & re-screw these spots first.
Anyway, I used a sharp wood chisel (be careful) to remove the old caulk and cleaned with an abrasive pad soaked in 409 cleaner. Finally, I wiped the seams with acetone.
Here are photos of my repair.
