https://knowledge.growingthecommons.org/ 2026-05-06T03:19:30+00:00 https://knowledge.growingthecommons.org/ https://knowledge.growingthecommons.org/lib/exe/fetch.php/favicon.ico text/html 2026-03-26T18:33:37+00:00 Anonymous (anonymous@undisclosed.example.com) https://knowledge.growingthecommons.org/doku.php/insu/insulation?rev=1774550017&do=diff This topic is part of Buildings & construction and Power & heating. Insulation ---------- ""All insulation is environmentally friendly. Some installation has better environmental credentials, but what matters is the energy it saves." - Dick Strawbridge" What is insulation? It's any material that slows down the rate at which heat is lost through the fabric of your building (although it can also mean sound or fire insulation, or keeping heat out, we're talking about keeping heat in). Air i…