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Laying Block Paving on top of Heavy Concreate Slabs?

Postby Martman » Mon Apr 10, 2017 1:20 pm

I cant beleive that no one has aked this before id search!

I have an old (over 25 years) patio made of 600mm sq very heavy concreate paving slabs. Can you use this as a base for laying block paving on?

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Simply Build It

Postby collectors » Tue Apr 11, 2017 1:52 pm

Depends whats under the slabs. You want at least 4/5" of type 1 & about 2/3" of sand for your new blocks.All of this knocked down with a good wacker plate.
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