R
Plumbing TermRoot Intrusion
/root in-troo-zhun/
Tree roots growing into sewer pipes through cracks, causing blockages and structural damage.
Full Definition
Tree and shrub roots growing into sewer lines through tiny cracks or joints, causing blockages and pipe damage.
Common Usage
“Recurring drain backups, gurgling toilets, and slow drains throughout the house often indicate root intrusion in the main sewer line.”
Did You Know?
Roots can exert up to 150 PSI of pressure as they grow, enough to crack concrete pipes. Some tree species like willows and poplars are particularly aggressive and should never be planted near sewer lines.