Seven Things Worth Knowing
How to Compare Waterproofing Quotes
Not the prices — the quotes. What a real one contains, the five questions that expose a bad one, and why the cheapest number frequently covers the least.
Old Stone Foundations: What’s Normal
A two-hundred-year-old cellar has always been damp. Which damp is normal, which is a problem, and why sealing one is the most expensive mistake available.
Before Freeze-Up: Gutters, Grading and a Bucket of Water
October 2026. The outside fixes that close for the winter, how to test a sump so the test means something, and the free diagnosis an autumn rainstorm hands you.
Getting Ready for the Melt
A month-by-month plan from October to April, and why the work itself belongs in July.
Sump Pump Buying Guide
What actually matters when choosing one for a New Hampshire basement, and the components people forget until the night they need them.
Efflorescence, Tide Lines and Rust
The white staining is not mould. What each mark on a basement wall actually means — and why the height it sits at is the most useful measurement in the room.
Selling a House With a Wet Basement
Disclose, fix, or price it in — and why an undocumented problem costs a seller more than a documented one.
Or start with a symptom
Water after rain, spring flooding, a crack, a musty smell, a sump that never stops.
Or Work It Out Directly
Wet Basement Diagnostic
Where, when and what the foundation is — and out comes the likely cause and an honest cost band.
Crack Triage
Four patterns illustrated, with an honest verdict on each.
Sump Sizing
Capacity class for your basement, plus a straight answer on battery backup.
Why NH Basements Get Wet
Water tables, snowmelt, frost depth and fieldstone — with cost benchmarks.