Tree roots in drains gain access via the pipe joints, fractures, cracks and through inspection chamber walls and benching. The majority of the drainage systems within the UK are constructed from collar and spigot vitrified clay pipes jointed using sand & cement, these joints offer little resistance to fine tree roots.Condensation that naturally occurs on the outer wall of the drain pipe, or moisture from leaking drain joints attract tree roots looking for a good nutritious feed. Disturbed ground, trenches and house foundations make easy travelling for a root system compared to the adjacent undisturbed ground.Tree root ingress is one of the biggest causes of blockages in the UK. For this reason, we recommend that you have your drains thoroughly investigated with a pre-purchase survey before