Greg describes radon control system for a stone foundation. Ground water and radon expert Guy describes a typical radon-control system. Matt asks how to improve the airtightness of his basement garage. Alec asks about spot ERVs. The crew talks about recent changes to paint stripper formulas.      Tune in to <a href= "https://www.finehomebuilding.com/2025/06/13/podcast-episode-689-basement-garages-compact-ervs-and-safer-paint-stripper"> Episode 689</a> of the Fine Homebuilding Podcast to learn more about:  <ul> <li class="paragraph" style= "text-indent: 0in; vertical-align: baseline; font-size: 12pt;"> Controlling radon in new and old houses  </li> <li class="paragraph" style= "text-indent: 0in; vertical-align: baseline; font-size: 12pt;"> Effective air-sealing and insulation for tuck-under garages </li> <li class="paragraph" style= "text-indent: 0in; vertical-align: baseline; font-size: 12pt;"> Are safer paint strippers as effective as methylene chloride </li> </ul> Have a question or topic you want us to talk about on the show? Email us at <a href= "mailto:fhbpodcast@taunton.com" target="_blank" rel= "noopener">fhbpodcast@taunton.com</a>.     ➡️ Check Out the Full Show Notes: <a href= "https://www.finehomebuilding.com/2025/06/13/podcast-episode-689-basement-garages-compact-ervs-and-safer-paint-stripper"> FHB Podcast 689</a> ➡️ Learn about the <a href= "https://www.finehomebuilding.com/2025/05/21/fhb-summit-2025-design-build-business"> Fine Homebuilding Summit</a> ➡️ Follow Fine Homebuilding on Social Media:   <a class= "Hyperlink SCXW160084753 BCX0" href= "https://www.instagram.com/finehomebuilding/" target="_blank" rel= "noreferrer noopener">Instagram</a> • <a class= "Hyperlink SCXW160084753 BCX0" href= "https://www.facebook.com/FineHomebuildingMagazine" target="_blank" rel="noreferrer noopener">Facebook</a> • <a class= "Hyperlink SCXW160084753 BCX0" href= "https://www.tiktok.com/@finehomebuilding" target="_blank" rel= "noreferrer noopener">TikTok</a> • <a class= "Hyperlink SCXW160084753 BCX0" href= "https://www.pinterest.com/fhbmagazine/" target="_blank" rel= "noreferrer noopener">Pinterest</a> • <a class= "Hyperlink SCXW160084753 BCX0" href= "https://www.youtube.com/user/finehomebuilding" target="_blank" rel="noreferrer noopener">YouTube</a>  ⭐⭐⭐⭐⭐  If you enjoy the show, please subscribe and rate us on iTunes, Spotify, YouTube Music, or wherever you prefer to listen.