Drainage upgrades in London, Ontario—French drains, downspout extensions

https://israelrobl773.lucialpiazzale.com/french-drains-for-new-builds-in-london-ontario-what-builders-need-to-know

Drainage upgrades in London, Ontario—French drains, downspout extensions, and regrading—redirect water away from foundations to reduce hydrostatic pressure and moisture intrusion.