Best Insulation for Floor Joists in Crawl Space: The Contractor’s Truth

I have spent two decades army-crawling through dark, damp foundations across America. When homeowners complain about freezing hardwood floors, skyrocketing heating bills, or a musty smell in their living room, the culprit is almost always rotting subfloor insulation. Upgrading the thermal boundary under your feet requires specific building science. The International Residential Code (IRC) dictates […]