My builder laid down slabs on my patio but I reckon it's all wrong. On 80% of the patio there is a concrete bed & the rest is soil. He put 150mm deep mortar mix and then slabs. Will my patio crumble?
Md Ariful Islam
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Dr. Md Rushad Rahman
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It can cause problems, especially if the concrete experiences a lot of traffic. The mortar mix will move and shift, which can cause it to crack. If your soil is stable and even, then you might not notice any problems with the finished product. Having a base layer, such as gravel and sand, never hurts, though.
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