NRCA has updated their R-value recommendation for polyisocyanurate roof insulation with the publication of the 2011 The NRCA Roofing Manual: Membrane Roof Systems. The new recommendation for R-value ...

Homes and buildings need insulation to control inside temperatures. Are you getting the best value for your project? Here's a look at how R-Value affects what you pick. R-Value, also known as "thermal ...

To minimize the loss of thermal resistance in design, the R-value of roof insulation should be computed based on the actual performance of the insulation material and the local climate, says the ...

Q: I know you have talked about insulation before and you keep mentioning something about a value for the insulation and how much is needed. Where can I find information about my home area? A: ...

According to the Insulation Institute, fully 90 percent of today’s American homes are underinsulated. That’s really too bad, because insulating your house is one of the greenest moves you can make.

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Proper attic insulation is the best way to prevent heat loss in the winter and retain ...