Window/brick gap problem.
All manner of questions and solutions to problems and issues surrounding the subject of brickwork, blockwork and stonework

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paladingray
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Window/brick gap problem.

Post by paladingray » Thu Sep 24, 2026 8:24 am

Hello all, first post!

I have an old porch, however there is an problem as the brick work has begun to separate from wooden window frames. The gap is very slight and even at its maximum it is probably less than 1mm.

So my first thought was expanding foam - however will the expansion of the foam cause even more pressure as it expands worsening the problem, and will it provide enough of a bond once set?

If not what about one of those tubes of all in one sealant/filler products and then gunning it in. Does anyone have a brand they would recommend as there is so many I fell a bit lost as to what would be best?

My final thought would be one of those tubes of repair concrete, but would that provide enough adhesion with a wooden window frame against brickwork?

Cheers for any ideas

Rob.

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