The first step was to determine the number of homes in each state that likely require increased insulation.

Refrigerator cars required effective insulation to protect their contents from temperature extremes.

The lines are very hot and dangerous and therefore require thick insulation.

This temperature differential requires insulation, and isolation from the rest of the structure.

The system is simple and requires thermal insulation.

Building codes now require thermal insulation and efficient windows for new construction or retrofits.

Low voltage also required less insulation for safe distribution within buildings.

The older buildings require insulation in the ceiling and walls.

He therefore requires sure footing and insulation from cold water, both provided by hip boots or chest-high waders.

Going outside requires enough insulation to pass the Anchorage building code.