Image Insulating a crawlspace foundation with “cripple wall” in warm climates; in Climate Zones 5+ replace the foil- or plastic-faced fiberglass batt/roll insulation with impermeable rigid insulation or closed-cell spray polyurethane foam
Image Vented crawlspace foundation insulated at floor joist with rigid foam. Publication Date Mon, 03/01/2021 - 12:00