Drain Rat Blockers in Leighton Buzzard

Drain Rat Blockers in Leighton Buzzard

Leighton Buzzard and Linslade sit on the Greensand Ridge, and sandy ground behaves differently from the clay over most of this patch.

It drains freely, it moves, and it lets roots run. All three matter for a buried pipe.

Images on this page are illustrations only.

Sandy ground

Settlement, Roots and Washed-Out Bedding

Three things happen to drainage in sand that happen less in clay.

Settlement. Sand moves under load and after wet weather, and a run that has dropped slightly at one point loses its fall, holds water, and opens a joint.

Root ingress. Roots travel further and more freely through open, well-drained ground, so a tree a long way from the run can still find it.

Washed-out bedding. Where a joint has been weeping for a while, water takes the fine material away from around the pipe and leaves a void. That void is then a ready-made run alongside the drain, which is how a rat gets from a cracked pipe to under a floor without having to dig.

The practical version: on this ground a small defect turns into a usable route faster than it would elsewhere, so it is worth looking sooner rather than assuming a hairline crack is nothing.

Short answers

Leighton Buzzard Questions

Going further

Drain and Rat Guides