A section of pipe that has lost its structural shape, either partly deformed or fully broken. Ground movement, heavy loading above, corrosion and age are the usual causes.
What it means for you
A collapse cannot be jetted away. It needs either a lining repair or excavation, and a survey decides which.
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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