Changing With The Times
Fiber glass fibers, unlike asbestos, have been carefully designed to dissolve if trapped in human lung tissue.
Some types of spray foam insulation not only keep out the weather, they also add to the physical strength of the home’s structure.
Many houses built before World War II had little or no insulation. Some wall cavities were simply stuffed with rubble or old newspapers.
Cellulose insulation has the highest
percentage of recycled material of any insulation, containing up to 85% recycled newspaper.