The R-value of insulation is a measurement of how much heat resistance the material has per inch of depth, so even if the insulation R-value for one material is lower than it is for another ...

Poor ductwork insulation creates significant challenges for homes and businesses. Energy inefficiency, rising utility bills, ...

Building insulation materials are often evaluated by its R-value, a measure of thermal resistance. However, R-value does not account for the quality of construction of a building, or local ...

What’s the best attic insulation? That depends on your definition of “best”. An expert home inspector goes through which ...

Rooflight performance varies with pitch, which affects the U-value. For instance, Stella rooflights achieve a U-value of 1.5 ...

By installing a layer of foam insulation on or inside any surface, it creates a thermal envelope thanks to their relatively high R-value, which is the material's thermal resistance to heat flow.