Drains are subject to numerous problems including, subsidence, plant and tree roots and damage from building work and, in some cases, old age!
Leaks or holes in drains can have major health implications including allowing rats to enter buildings.
The Sewer Drain Smoke Test Procedure;
Once opened smoke is pumped into the sewer system using a professional sewer smoke testing machine which we have found yields more accurate results than the basic smoke bomb favoured by some companies.
If drains are cracked then the smoke finds its way out and pinpoints the problem area. Testing like this can save significant sums of money locating and fixing a problem.By relining or patch repair
Our smoke test is similar to this DVD