Knee walls are short, vertical partitions that separate ... to boost R-value and prevent air leaks. Install a radiant barrier if the attic is prone to overheating in warmer climates.

Don't forget to also install on all vertical exterior walls in attic ... coverage between indoor attic area and outdoors. Industrialized strength perforated radiant barrier attic insulation ...

Knee walls are short, vertical partitions that separate a finished attic space from the unconditioned ... Insulating knee walls effectively creates a thermal barrier, improving energy efficiency ...