I have been fitting skirting boards in my kitchen, and
have been looking for a *non-flexible* gap filler. In
the past, I always just bought Decorator's Caulk from
Wickes, but even that is now a "stay flexible" product.
Gripfill is really for sticking things, it just happens to fill any gaps
between the items to be stuck.
As Al Reynolds says you need caulk. It does exist because I saw a chippy
using some to fill the gap around some new architrave only last week. When
asked nicely he gave me a tube ... which I left at daugther's...
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