GAF Timberline HDZ and Timberline CS Roofing Shingles Earn NSF International Environmental Product Declarations

PARSIPPANY, N.J. — GAF announced two new Environmental Product Declarations (EPDs) for its Timberline® HDZ™ and Timberline CS Shingles.

NSF International recognized both residential roofing solutions for cradle-to-grave excellence, underscoring GAF’s growing commitment to transparency and sustainability in its products that support green building.

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GAF Timberline HDZ and Timberline CS Roofing Shingles Earn NSF International Environmental Product Declarations

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