Blocks used in foundations

wakey77 · 9 Nov 2014

Is it ok to use 3n 100mm concrete blocks in the foundation of a single storey extension
I normally use 7n but have a surplus of 3n and therefore would like to use them up providing it will cause no problems.
Thanks.

themiddleagedun · 9 Nov 2014

Aye, no problem.

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Blocks used in foundations

wakey77

themiddleagedun

DIYnot Local

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