I was told that 100% silicone doesn't adhear to vinyl that great. So it was
recommended to use something like PL -polyurethane(sp?) Sealant for vinyl
windows instead of that or regular caulking. Is this true?
I prefer polyurethane to silicone in most applications but it can be
more difficult to get an aesthetically pleasing seal. I usually mask
the sides of the seal bead and then remove the masking as the
polyurethane begins to polymerize, about 20 to 40 minutes with typical
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