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CertainTeed Roofing Shingles Earn Prestigious Good Housekeeping SealCertainTeed’s entire residential roofing shingle portfolio has been awarded the Good Housekeeping Seal, a distinction that ...
The Good Housekeeping Seal is granted only after rigorous evaluation by the Good Housekeeping Institute (GHI), where scientists and engineers assess products against stringent performance standards ...
April 16, 2025 /PRNewswire/ -- CertainTeed, a leading North American manufacturer of sustainable building materials, is proud to announce that its entire residential roofing shingle portfolio has ...
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