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Insulating Knee Walls Correctly with Spray Foam


I’d be willing to wager that 90% of all houses built in the last 20 years with knee walls aren’t insulated properly.  Batt insulation that’s commonly used does a terrible job of insulating these spaces.  I have seen it falling down and flopped over on just about every house I’ve inspected.  In this video I’ll show you how to insulate these tricky spaces correctly.  Matt Risinger