Insulating the Rim Joist Cavity
HTML-код
- Опубликовано: 8 сен 2024
- Listen in as Robert explains why we obtain a R37 (R5 exterior insulation + R10 rigid foam + R22 batt) insulation value in the cavity, far exceeding the R22 code requirement. For more information on the JRSH difference, visit www.JRSH.ca