Efflorescence on spalling bricks during frost

Joined
31 Dec 2022
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Hi all,

The front door area of my house has a few areas of spalling brick that also needs repointing. During frost white efflorescence appears on the brick due to what seems (from googling :)) to be some kind of moisture issue. See the photos of the three main areas effected.

Question - Would it be enough to just repoint the cement or should I replace the bricks to? Furthermore, could the spalling and efflorescence be a symptom of a bigger issue or is the more likely root cause the fact that the pointing has degraded causing water to get in behind the brick?

My next door neighbour is a retired brick layer and I asked him and he said I should just get some brick sealant to spray on it so I did. But I can't help but think that's not going to stop the continuation of spalling. I've lived in the house for two winters and over each winter I get more of the brick falling away.

I don't mind replacing the bricks if I'm going to be able to find a colour match for it. I'm assuming that I could pay my next door neighbour to do it :)
 

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