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50 Eco-Friendly Products Selected by Green Builder's Editors



This open-cell, semi-rigid, polyurethane foam does away with ozone-depleting propellants by being completely water blown. With a density of 0.5 per cubic foot and a minimum of 3 percent bio-based material, this product expands 100:1 when sprayed, filling voids and crevices and reducing infiltration—and consequently, energy demand. With an R-value of 3.8 per inch—R-20 at 5.5”—Bio-Based 501W contributes to a tight building envelope, while reducing the risk of moisture accumulation and sound transfer.

Rhino Linings Bio-Based 501W

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This closed-cell, medium-density spray foam insulation maintains its installed R-value throughout its service life, unlike air-permeable insulation types, which lose their field thermal performance because of sagging, shrinking and ongoing convective current loops within the insulation. This product is also 100 percent water-blown, eliminating ozone-depleting blowing agents. With an R-Value of 4.9 per inch and superior adhesion performance, ProSeal Eco is suitable for projects in any climate zone across North America.

Icynene ProSeal Eco

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