Examining an attic may be a little disconcerting as a wide variety of materials have been used as insulation, in the past. Old houses, generally over 100 years old, were insulated with many different types of natural materials ranging from horse hair, goose feathers, wood chips, sawdust and newspaper, if found insulated at all. From around the turn of the century to the 1960 or 70s, mineral based insulations such rock wool, asbestos and vermiculite had become increasingly more popular. With newer homes, since the 60’s, fiberglass, cellulose and foam type products are the most common insulation products used for energy savings and reduction of heat loss. Peter H. Schaming shows us how.
Read more: How to Inspect an Attic to Ensure the Insulation is Effective