Quote:
Originally Posted by retiredguy123
According to AI, the cost for blanket ceiling insulation is $0.50 to $1.50 per SF vs foam on the rafters at $3 to $7 per SF. Also, the foam requires more square footage because the roof is sloped and you need to insulate the entire roof, whereas with ceiling insulation, you can omit the garage and lanai ceilings. No wonder the builder doesn't install it.
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Right. They love to cheap out and cut corners.