Glass-Free Polyester Insulation 
Glass-free polyester insulation is 100% formaldehyde and carcinogen free and won't absorb moisture. There is no need to wear protective gear or a respirator, because there is no fiberglass in the insulation.

Glass-free polyester insulation has many benefits including great acoustics features, great compression and friction-fit installation. In addition, there is no long term degradation, making this type of insulation a sustainable and energy efficient choice.
Glass-free polyester insulation, Poly Insulation, Insulation-Glass Free
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