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  • Cosella-Dörken Products, Inc. Website
    905.563.3255
    4655 Delta Way Beamsville ON L0R SS 1, Beamsville, ON L0R 1B4

    Dörken Systems Inc., a division of Ewald Dörken AG founded in 1892, specializes in high-performance air and moisture barrier systems for commercial and residential buildings. Their DELTA® products, including vapor-permeable underlayments for metal roofs and comprehensive waterproofing solutions, me…

  • Cosella-Dorken Products Inc Website
    905.563.3255
    4655 Delta Way SS 1, Beamsville, ON L0R 1B4

    Dörken Systems Inc., a division of the century-old Ewald Dörken AG, specializes in high-performance air and moisture barrier systems for commercial and residential buildings. Their DELTA® products, designed to prevent corrosion and moisture accumulation on metal roofs and provide superior protectio…