I have a serious problem with a blocked drain, which is being dealt with by a specialist company via my home insurance. They have used CCTV and say the drain is 90% blocked due to tree roots from the beech tree directly above it.
Their proposed solution is to use a mechanical root cutter to clear all the tree roots. Then use a polyester 100mm liner to cover the root damage. Then use a polyester 100mm patch liner to seal the drain. They can achieve all this without the need to dig down to the drain.
Has anybody heard of this type of relining of a blocked drain and how effective is it in preventing a re-occurrence as the roots grow back? I have been assured that this lining will prevent the roots entering the drain again and they are providing a 10 year guarantee. Sounds too good to be true. Any comments from similar experiences would be welcomed.