"Adding more will help." Cellulose insulation, made from treated recycled paper, was a popular choice in older homes due to its affordability and fire-retardant properties, but age and wear can ...

Blown-in insulation is a popular ... and the benefits it can bring to your home. 1. Cellulose insulation is primarily made of recycled paper products. One of the best features of cellulose ...

you can usually leave it in place and layer new blown-in insulation on top. If the old fiberglass batts or cellulose insulation is compacted, water-damaged, has moisture buildup, or contaminated ...