Why do these cost more than normal weight blocks ?
I need 3750 blocks and can find normal weight at 52p each and lightweight at 81p each. I would like to get light weight as they are easier to lay but quite a price diff.
Is the price I have sourced for the 7N block cheap ?
How much can i expect to pay for the 3N blocks. Can they be used for internal and external leaf - external being rendered and dashed to match original afterwards ?
Yes you can use lightweight concrete for internal and external - they are the same strength etc as standard aerated blocks.
The only possible problem, is you may have to source these from a particular merchant, as some may not stock them. Specifically ask for lightweight concrete, not just lightweight blocks. And some manufactures lightweight blocks are lighter than others.
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