The effect of attic radiant barriers on the temperatures of roofing materials is the subject of a recently completed RIMA-I study. Dark roofing material (shingles) can absorb as much as 95% of incident solar radiation and, as a result, will increase in temperature above the surrounding air temperature. The temperature reached by a roof in …
In both the United States and Canada there is significant interest in the use of reflective insulation materials in concrete floor systems. These materials typically have one or more aluminum foil surfaces and consist of flexible foam cores or cores with one or more layers of air filled bubbles (bubblepack). The most common concrete floor …