Johns Manville is offering mineral wool insulation. In addition to thermal control, fire resistance and acoustic performance were touted as advantages. Johns Manville states that mineral wool has a 2000° F melting point.
Owens Corning is also getting into mineral wool insulation and cited similar benefits.
Fine Homebuilding Recommended Products
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Utility Knife
This utility knife is well-made and comes in handy when cutting rigid foam insulation. You can extend the snap blade to cut through a 2-inch foam board.
Great Stuff Foam Cleaner
It’s important to clean and maintain a professional foam-dispensing gun, and this product fits the bill. It has a spray applicator for general cleaning, plus it screws onto the dispensing gun so you can clean the inside.
Foam Gun
We like using a professional foam-dispensing gun as opposed to straw cans because it allows you to easily control bead size and reuse the can.
