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Block paving

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oops!!! | 12:14 Wed 18th Jul 2007 | Home & Garden
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How deep should I excavate before layibg block paving.
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Avatar Image buildersmate
What are you running over the top of it? - people, cars or something even heavier?
12:51 Wed 18th Jul 2007
Avatar Image oops!!!
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Running cars over it. Thanks for interest
15:20 Wed 18th Jul 2007
Avatar Image sddsddean
As an absolute minimum, you should allow for 25mm of sand to bed the blocks on and 150mm of well compacted Type 1 under that. This assumes that the formation level (the level you are at when you have dug out the 250mm) is solid and not cr@p. Laying the blocks is the (relatively) easy bit. Do not skimp on the preperation. Oh, and lay some Terram or similar on the formation before laying your Type 1.
19:22 Wed 18th Jul 2007

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