I need to insulate part of my attic that has no insulation, and would like to increase the insulation in the rest of the ceiling of my house. The present insulation is blow in with celulose material, gray color.
Is is better to use fiber glass insulation or rockwell (made from stone material)? Which of these material combines better with cellulose material already blown in? The house has 25 years.
What are the advanctages of fiber glass versu rockwell?
Thanks. respond to ebelena@stcc.cc.tx.us
E.V.
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