Proper Attic Insulation provided by ServiceMagic.com.
Insulating systems are designed to control moisture, reduce the movement of heat, and assure proper ventilation. Among the most important home insulators is attic insulation. Whether you choose to add a barrier of foam insulation, fiberglass insulation, or a spray foam insulation, attic insulation will do wonders in helping control long term energy costs. The trick is knowing how much attic insulation you need and what material you should use, rather than whether or not you need it.
Do You Have Proper Attic Insulation?
If you or your attic insulation contractor are looking around and see minimal insulation, you might want to consider how much energy is being lost for little reason. Take a look. The first thing to do is head up those attic stairs, or up the attic ladder, and see what's up there. Do you see fiberglass strips between the rafters and joists? Is your attic finished, or are the rafters open and exposed? Is the ceiling finished or similarly open and exposed? Even if your attic does have insulation, what kind is it and how much is there? Equally important, does it look water damaged? If it does, it is causing more problems than it fixes?
Types of Insulation
The four most commonly used kinds of insulation are fiberglass batts (strips), blown-in loose fiberglass, foam strips, and spray foam.
Fiberglass insulation is easy to spot. Typically it is yellow or pink, and looks a bit like cotton candy. If it is in batts, it will be trapped inside thick paper, otherwise it might be blown or stuffed between walls. Fiberglass offers the most ventilation, though it is not as good an insulator as foam.
Spray foam insulation is a hardened foam that looks exactly as it sounds—like foam that was once liquid but has solidified in the cracks and seeped in to fill every hole. If you need to seal up a room, this is the way to do it.
Standard foam insulation is cut into strips, much like fiberglass batts, and is similarly laid in between the rafters. This allows ventilation between the cracks while also the insulation of foam.
Proper Attic Insulation: An Issue of Heating/Cooling Costs and Air Quality
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