Musty basement smell / Guides

Finished basements can lead to mold and mildew
Healthy indoor air quality

Why are basements moldy? How to fix or Prevent a Moldy Basement

...basement, don’t panic. What we write in these pages is meant to inspire ideas and solutions, not fear and anxiety. If you feel good, your basement smells good and your windows (and walls) aren’t dripping, relax! However, if your basement has a certain musty smell, or telltale black mildew and mold marks in corners or...

Basement Design for walls prevents mold & midlew when renovating & finishing
Healthy indoor air quality

Basement renovations: How to prevent mold when finishing basements

...basement, don’t panic. What we write in these pages is meant to inspire ideas and solutions, not fear and anxiety. If you feel good, your basement smells good and your windows (and walls) aren’t dripping, relax! However, if your basement has a certain musty smell, or telltale black mildew and mold marks in corners or...

Non-toxic building materials can improve home air quality
Healthy indoor air quality

Maintaining healthy indoor air quality

...musty smell in basements that is all too familiar is due to either poorly installed insulation , or having no insulation at all. Building below grade presents much greater challenges than above grade as walls cannot dry to the outside. Please see our pages on how to prevent mold in basements guide and basement insulati...

How to insulate basements properly
Insulation and soundproofing

Best practices for basement insulation in new home construction

...basements are typically under-insulated or not insulated at all, and if they are, they almost always trap moisture within wall assemblies. This leads to preventable mold growth and rotting in basement walls - often caused by interstitial condensation . The following basement insulation techniques listed here are desi...