Can You Waterproof a Basement From the Inside Only?

Yes for keeping the basement dry, no for keeping the wall dry. Here is every interior-only option, what each achieves, and where the limits are.

Yes for keeping the basement dry, no for keeping the wall dry. Here is every interior-only option, what each achieves, and where the limits are.

From a 3-year sealer to a 50-year drain, service life varies enormously by method. Here is what each actually lasts and what the warranties really cover.

Standard policies exclude groundwater, seepage and flood. Here is what is covered, the two endorsements that close the gap, and how to document a claim.

It works in a narrow set of conditions and fails badly outside them. Here is what the product actually does, where it holds, and why it peels.

Encapsulation seals the crawl space from the ground and outside air. Here is exactly what it includes, what it costs, and what it will not fix.

Venting was supposed to dry crawl spaces out. In humid climates it does the opposite. Here is the physics, what code allows now, and which is right for you.

Standing water under a house is a structural risk, not just a nuisance. Here are the nine causes, how to tell them apart, and the fixes ranked by cost.

Thickness is about puncture resistance, not vapour resistance. Here is what each mil rating actually buys you and how to pick without overspending.

Target 45 to 50 percent. Above 60 percent mold becomes active, below 35 percent causes its own problems. Here is how to measure and hold the right number.

A dehumidifier removes water from air. It does nothing about water coming through your walls. Here is where the line is, plus sizing and running costs.