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TRUE-SCREED® | Cementitious Leveling Underlayment (CLU)
TRUE-SCREED® | Cementitious Leveling Underlayment (CLU)

    TRUE-SCREED® | Cementitious Leveling Underlayment (CLU)

    TRUE-SCREED® Cementitious Leveling Underlayment (CLU) is a Portland cement-based underlayment that is specifically designed for projects with deep-fill requirements that need to stay on budget. TRUE-SCREED® CLU provides a cost-effective method to transform cracked, uneven concrete floors into a smooth, strong surface for finished floor coverings. The product also offers exceptional surface hardness and quick drying time, keeping construction projects on schedule.

    Recommended For

    • Concrete Toppings & Self-Levelers: Cracked or damaged concrete, new construction and renovation projects, & commercial Buildings.

    Features & Benefits

    • Resurfaces cracked, uneven or damaged concrete floors
    • Up to 6500 psi (44.8 MPa), portland cement
    • Superior bonding characteristics
    • No troweling required; low in-place cost
    • Expert Application; installed only by trained Licensed Applicators nationwide
    Specification
    • Technical DataPropertiesASTM
      Thickness1/2" to 2"
      Compressive Strengthup to 6500 psi (44.8 MPa)C109
      Flexural Strengthup to 1300 psi (9.0 MPa)C348
      Fire Hazard ClassificaitonFlamespread index 0; Fuel Contribution 0; Smoke Density 0E84
      Sand1/8" (3mm) or less washed plaster or masonry sand or silica sandE11


    Technical specification
    • Unique ref.true-screed-cementitious-leveling-underlayment
    • Product familyCementitious Floor Underlayment
    • Product groupSelf‑Leveling & Deep‑Fill Underlayment
    • TypeObject (single object)
    • Date of publishing2026-03-02
    • Edition number1
    Related
    • Designed inUnited States
    • Manufactured inUnited States
    Classification
    • BIMobject CategoryFlooring - Underlay
    • CSI MasterFormat 2014 Code03 54 16
    • CSI MasterFormat 2014 TitleHydraulic Cement Underlayment
    • OmniClass Number23-15 17 11 13 11
    • OmniClass TitleCementitious Floor Underlayments

    Region availability

    North America
    Anguilla
    Antigua and Barbuda
    Aruba
    Barbados
    Belize
    Bermuda
    British Virgin Islands
    Canada
    Caribbean Netherlands
    Cayman Islands
    Collectivity of Saint Martin
    Costa Rica
    Cuba
    Curaçao
    Dominica
    Dominican Republic
    El Salvador
    Greenland
    Grenada
    Guadeloupe
    Guatemala
    Haiti
    Honduras
    Jamaica
    Martinique
    Mexico
    Montserrat
    Nicaragua
    Panama
    Puerto Rico
    Saint Kitts and Nevis
    Saint Lucia
    Saint Pierre and Miquelon
    Saint Vincent and the Grenadines
    Saint-Barthélemy
    Sint Maarten
    The Bahamas
    Trinidad and Tobago
    Turks and Caicos Islands
    U.S. Virgin Islands
    United States
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