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Withdrawn HPDs

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  1. LIQUI-HARD/W. R. MEADOWS/2026-05-27

    LIQUI-HARD/W. R. MEADOWS/2026-05-27

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    Open the PDF · HPD 45111

    Expiration Date: 2029-05-27

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    Concrete Densifier & Chemical Hardener

  2. LIQUI-HARD ULTRA/W. R. MEADOWS/2026-06-26

    LIQUI-HARD ULTRA/W. R. MEADOWS/2026-06-26

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    Open the PDF · HPD 44479

    Expiration Date: 2029-06-26

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    Molecular Concrete Densifier & Chemical Hardener

  3. LM QUARTZPLATE FF/LATICRETE International/2026-03-16

    LM QUARTZPLATE FF/LATICRETE International/2026-03-16

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    Open the PDF · HPD 44013

    Expiration Date: 2029-03-16

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    L&M™ QUARTZPLATE FF™ is a ready-mixed, scientifically graded, 98% pure silica aggregate, non-metallic, dry shake-on hardener.

  4. LM LUMISEAL FX/LATICRETE International/2026-03-16

    LM LUMISEAL FX/LATICRETE International/2026-03-16

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    Open the PDF · HPD 43987

    Expiration Date: 2029-03-16

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    L&M™ LUMISEAL FX™ is a high solids, water-based, non-yellowing, blush resistant curing and sealing compound. When used as a sealer, L&M LUMISEAL FX is designed to provide an attractive high gloss finish on concrete substrates.

  5. Consolideck LSCS/Prosoco, Inc./2026-05-21

    Consolideck LSCS/Prosoco, Inc./2026-05-21

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    Open the PDF · HPD 34458

    Expiration Date: 2029-05-21

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    LS/CS is a penetrating silicate treatment that hardens, densifies and dustproofs concrete flatwork. Unlike conventional hardeners, it does not have to be scrubbed or flushed. LS/CS will not trigger or contribute to surface ASR (alkali…

  6. Consolideck LS/Prosoco, Inc./2026-05-21

    Consolideck LS/Prosoco, Inc./2026-05-21

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    Open the PDF · HPD 34446

    Expiration Date: 2029-05-21

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    Consolideck® LS® is a zero-VOC premium sealer, dust-proofer, hardener and densifier for concrete surfaces. This deeply penetrating lithium silicate treatment reacts with the concrete to produce insoluble calcium silicate hydrate within the…