Condition of Existing Insulation: If the fiberglass insulation is in good shape—dry, fluffy, and evenly distributed—it may not need to be removed; however, attic insulation that's compressed ...
Adding blown-in insulation to your attic space is a popular way to improve energy efficiency and reduce heating and cooling costs. But what if you already have fiberglass insulation? Do you need ...
The two most common types of insulation materials found in older homes are fiberglass insulation and cellulose insulation, though some may encounter vermiculite or asbestos-containing materials.