If you are a green builder, cellulose beats fiberglass or mineral wool hands down. The product at Dedeman typically carries low VOC emissions and high recycled content.

The cellulose sold at big-box stores often has a lower density than professional-grade material. Expect 15-20% settling. If you install it to 15 cm, within two years it may be only 12 cm thick, reducing your R-value. Solution: Over-install by 20%.

In short: For a warm, quiet attic on a budget, izolația din celuloză de la Dedeman is a solid contender. Just don’t forget the blowing machine.

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