Sand can cause some problems as it should be dry before blocks are laid etc.but it should be easy to protect with tarpaulin as required.
Best place to ask is
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and go the forum. You will need to register (free) before you can ask a question but no doubt your query has been asked before and there will be archive information.
The site also has very extensive information on construction details for block paving. A lot more to the work than it seems. "Knowledge is power" as they say. Majority of contractors are honest and decent - unfortunately a small minority gallop up your drive to quote you "happy".
The contractor should have given a breakdown of material costs etc.and drainage requirements. He should also indicate the levels he is going to use to drain surface water. BTW, what price per sq. metre is it going to cost you. £55 to £60 seems to be the norm
Sand can cause some problems as it should be dry before blocks are laid etc.but it should be easy to protect with tarpaulin as required.
Best place to ask is
formatting link
and go the forum. You will need to register (free) before you can ask a question but no doubt your query has been asked before and there will be archive information.
The site also has very extensive information on construction details for block paving. A lot more to the work than it seems. "Knowledge is power" as they say. Majority of contractors are honest and decent - unfortunately a small minority gallop up your drive to quote you "happy".
The contractor should have given a breakdown of material costs etc.and drainage requirements. He should also indicate the levels he is going to use to drain surface water. BTW, what price per sq. metre is it going to cost you. £55 to £60 seems to be the norm
£45 a metre. Could be ok depending on where you live but I would check the spec given by your contractor against the info on the pavingexpert website. The sub-base is crucial to the longevity of the driveway. Drainage is another factor given the heavy rainfall experienced this year and the area to be block paved.
Colour of cheaper concrete block paving tends to fade over time. Clay pavers do not, but could be 50% more expensive. .
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