blown-in insulation

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Old 07-11-01, 06:25 AM
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Tell me about blown-in insulation. Is it effective? Can it be done with a brick house? Is it expensive?
 
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Old 07-11-01, 10:44 PM
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Whether it can be done to a brick house of not depends on how the house is constructed. If you have a brick veneer over wood framed (2X4 or 2X6) walls, then yes, cellulose can be blown into the walls (from the interior side). But if your walls are solid masonary (brick, block,...), then no, insulating them is out of the question. You have no cavity into which to put the insulation. The fiberglass insulators may argue with me, but cellulose is, in my opinion, simply a better insulation. It's fire retardant, not just "non-combustible" (like fiberglass is). It has a higher "R" value per inch of thickness, and is a great sound attenuator. And varmits won't nest in it (like they will other types of insulation).
 
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