I have recently had a CCTV survey of the main waste drain to my 33-year-old bungalow. It showed the drain pipe material to be pitch fibre, and that one or two small bubbles (delaminations) were ...
I have recently had a CCTV survey of the main waste drain to my 33-year-old bungalow. It showed the drain pipe material to be pitch fibre, and that one or two small bubbles (delaminations) were ...