DIYbanter - View Single Post - Filling a gap between Brick and Vinyl Windows

BobK207

wrote:
Question:

The front of my house is brick, and has vinyl windows. I noticed the
other day that the caulk around the windows has deteriorated. Upon
removing the caulk, I noticed that there is a largeish space between
the window and the brick, that is only about 1/4" where the two meet at
the window frame, but behind there is a greater void - too large to
fill with backer rod.

Should I insulate this space before I replace the caulk? If so, with
what? I am leery to use expanding foam because of the mess, and most
window manufactuers don't recommend it.

Thanks ...

Jeff

the window frame, behind there is a greater void - too large to fill with backer rod.

How about using closed cell flexible foam pipe insulation as an
oversized backer rod?

Or, as suggested by SIKA, take two or three backer rods & twist them
together to form a larger "rod"

cheers
Bob