The Terrifying Truth About Toxic Mold + Nick Offerman’s Farmhouse Wisdom + Easy Insulation Fixes

from This Old House Radio Hour · host American Public Media

Is that dark patch on your basement wall harmless—or a hidden health hazard? This week, we’re breaking down what every homeowner should know about mold, moisture, and how to keep your home healthy. Plus, Nick Offerman shares memories from the Minooka, Illinois farmhouse where he grew up.All of this, plus we’re answering your home improvement questions at 877-This Old House Radio Hour! — That’s (877) 864-7460.In This Episode You Will Learn:*How to tell if a small patch of floor damage can be spot-fixed or if your whole floor needs sanding to look right. (8:43)*How to find out why your outdoor lights keep tripping and how to safely test whether it’s the outlet, the transformer, or the wiring. (14:38)*How to stop cold air from sneaking in under your kitchen appliances by sealing gaps and adding insulation. (18:50)*How to pick the right kind of insulation and understand what “R-value” really means for keeping your home comfortable year-round. (22:14)*How to keep paint from peeling off your home’s trim in strong sun and what materials hold up best in hot climates. (25:57)All of this, plus we’re answering your home improvement questions at 877-This Old House Radio Hour! — That’s (877) 864-7460.

Episode metadata supplied by the publisher feed · Published Oct 14, 2025

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