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  1. ProGrade 941 Primer/Henry Company/2025-06-17

    ProGrade 941 Primer/Henry Company/2025-06-17

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    Open the PDF · HPD 32809

    Expiration Date: 2028-06-17

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    Pro-Grade® 941 Primer is a one-component, film forming adhesion promoter designed to enhance the bond strength of silicone top coatings to roof surfaces, including single ply membrane roofs, metal roofs, concrete roofs and previously…