Full foam, multi-density foam and FiberCor are the best hot tub insulation types. Learn why you should avoid low-quality and partial foam insulation.

Get the most energy efficiency from your insulation by filling all gaps, avoiding compression, sealing holes in framing and other expert tips.

Q. I am currently installing rigid foam insulation around the exterior of my foundation. I’m installing 3 inches of it to a depth of 10-13 inches below grade to keep the heat in and the cold ...