In short, it’s a great alternative to the common fiberglass batt insulation in most of our homes. It has a higher R-value per ...

Andrew Legge, CEO of Havelock Wool, a company that produces natural, sustainable building insulation made from wool, explains ...

To get the most R-value with the least thickness, use batt insulation with higher R-value per inch in combination with rigid foam insulation. Rigid foam sheeting has an R-value ranging from R-5 to ...

Typical R-value: R-3.8 and R-6.8 per inch of thickness, depending on the type. Where commonly used: Basement and crawl space walls, and as continuous insulation on a house’s exterior.