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What causes bricks to do this?

gazfocus
Posts: 2,465 Forumite


Not sure if this was the correct place to post this so apologies if it’s not.
Went to view a house today and the outside wall has deteriorated bricks like in the picture.
The section shown in the picture isn’t the worst, as there’s some much worse further towards the back of the house, but I was just wondering what causes this and is it something to be concerned about (other than it not looking particularly nice)?


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Comments
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It's spalling, caused by frost damage. Badly damaged bricks can be individually replaced, but it is more important to make sure the mortar is intact to avoid water ingress.
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If a wall is originally built in lime mortar, and later on repointed with a strong cement mortar, this can increase the chance of the brickwork spalling.4
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That’s an unusual brick bond. Is that an extension?No reliance should be placed on the above! Absolutely none, do you hear?0
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Horrendous brickwork.
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They used a different sized for the front, which is why it's been bonded like that.0
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stuart45 said:They used a different sized for the front, which is why it's been bonded like that.0
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It was often the case years ago, when only the front flank had high quality, expensive brickwork, and the sides and rear had the cheaper, poor quality bricks.2
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gazfocus said:GDB2222 said:That’s an unusual brick bond. Is that an extension?stuart45 said:They used a different sized for the front, which is why it's been bonded like that.No reliance should be placed on the above! Absolutely none, do you hear?1
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Probably a much higher quality brick.1
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