bulk insulation

bulk insulation

[¦bəlk in·sə′lā·shən]
(engineering)
A type of insulation that retards the flow of heat by the interposition of many air spaces and, in most cases, by opacity to radiant heat.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Environmental Protection Agency (EPA) does not recommend using paints or coatings in place of traditional bulk insulation. "We haven't seen any independent studies that can verify their insulating qualities," the agency reports.
Additional heating is provided through just one appliance, a rarely used low-wattage ceramic plate heater, backed by a stacked-stone veneer background and bulk insulation.