Sealing a section of drain and pressurising it with air to check that it holds, demonstrating that the pipe and joints are watertight. Required on new below-ground drainage.
What it means for you
If a builder cannot show you a passed test on new drainage, the work has not been properly completed.
Not sure whether this applies to your property? Ask us. There is no call-out charge and the price is fixed before any work starts.
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