Common mistakes
- Downspouts ending at the corner with no extension
- Buried drains clogged with silt and leaves
- Splash blocks pitched back toward the wall
- Two downspouts tied into one undersized pipe
NH freeze–thaw angle
Water that pools at the sill freezes, heaves grade, and works into cracks. Spring melt adds volume fast after ice dam seasons.
We size outlets and extensions with the roof square footage in mind — not a one-size elbow.
Scope it with gutters
Gutter replacement is the right time to correct outlet locations and add extensions or buried lines where grade allows.
We do not claim to solve every basement waterproofing issue — we keep roof water off the wall and say when a foundation specialist belongs in the conversation.