Home Insulation
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Types of Insulation
How Does It Work? | Moisture | Types of Insulation | Locations | When to Replace
Blankets
Rolls or batts of insulation are spun mineral fibers that have been shaped into flat mats. This type of insulation is good for attics, garages and basements where the wall is exposed. You can simply staple or nail the insulation up between the studs. Flame retardant insulation is available in rolls if you wish to leave the insulation exposed.
Blown-in
If you wish to insulate a cavity or area that is difficult to reach, small insulation particles can be blown in. It can be coated in adhesive to facilitate a uniform blowing, and they help to seal leaks and drafts. There is a variation on blow-in known as foamed in place which has the same theory but uses semi-liquid foam that hardens in place.
Rigid Insulation
Pressed foam or plastic boards that are nailed onto walls during construction is another form. It can be molded to fit around pipes and joints. As well as being thermally protective, they also provide acoustic protection. They are also very light while still being strong.
Reflective Insulation
Generally only useful for insulating from downward heat, a reflective system is an aluminum foil over another material such as paper, plastic, bubbled polyethylene, or cardboard. It primarily protects against heat rather than cold, and is more useful in warmer, sunnier climates than in humid regions.