Posted on October 25, 2010 by Scott Gibson
in Q&A Spotlight
Eric Nash is renovating a kitchen with "old school" 2x4 walls. He's gutting the room, but not touching the outside of the house. He'd like to present the homeowners with some options for increasing the R-valueMeasure of resistance to heat flow; the higher the R-value, the lower the heat loss. The inverse of U-factor.
of the exterior walls while making a better air seal.
Here's his plan: fill the stud bays with cellulose, add 1 1/2 in. of rigid foam insulation on the inside, then a layer of 1/2-in. plywood on which to hang cabinets, and, finally, 1/2-in. drywall.