Engineered for use in wall and attic retrofit applications, GreenFiber premium-grade natural insulation is produced with an all-borate, fire-resistant formula that offers a higher level of dust suppression during installation. It’s made from 85 percent recycled paper fibers and offers R-values ranging from 13 to 60. GreenFiber, 800.228.0024. www.greenfiber.com

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