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    ​​​​​​​​​​​​​​​​​​​Alpha Dry Base Coat

    Alpha Dry Base CoatAlpha Dry Base Coat is a dry-mix polymer adhesive and base coat containing Portland cement, and requiring only water for mixing.  



    ​Dry, bagged product

    ​Does not require heated shipping or storage; just add water to mix

    ​Mix only what you need

    ​Use for small repairs; reduces dumpster and landfill costs of pail disposal

    ​Lower cement-to-polymer ratio

    ​Reduces the chance for efflorescence

    ​Smooth, creamy consistency

    ​Trowels easily, speeds mesh embedment, reduces applicator arm fatigue, increases job-site productivity

    Water based

    ​Safe, non-toxic; clean up easily with soap and water


    Alpha Dry Base Coat is designed for use as the adhesive and/or base coat in several wall systems from Senergy.
    Alpha Dry Base Coat is used with the Senerflex Wall System to adhere expanded polystyrene insulation board to the following acceptable substrates:
    • Senershield
    • Senershield-R
    • Unpainted and unglazed concrete or unit masonry
    • PermaBase® brand cement board (or other ASTM C1325 Type A Exterior approved cement boards)
    • Poured concrete/unit masonry
    • Fiberock® Aqua-Tough™ sheathing
    • ASTM​ C1177 sheathings (eXP® by National Gypsum, GlasRoc® by Certainteed and DensGlass® exterior sheathing)
    • Gypsum sheathing (ASTM C79/C1396)
    • New and untreated Exposure 1 or exterior plywood sheathing (Grade C-D or better)
    • Exposure 1 OSB
      Note: Wood-based sheathing substrates require priming with Senerprime.​
    Alpha Dry Base Coat used with Senerflex EIFS, Senturion I, II, and III residential EIFS, Senergy Cement-Board Stucco System and all Senergy Surfacing Systems to embed Corner Mesh and Reinforcing Mesh.
    Alpha Dry Base Coat will also adhere expanded polystyrene insulation board (EPS) to expanded polystyrene insulation board enabling the build out of architectural shapes and details.


    22.6 kg per bag (50 lbs per bag)


    Approximate coverage rates are as follows:
    • ​Embed FLEXGUARD 4: 11.1 m² (120 ft²) per bag.
    • Embed INTERMEDIATE 12: 7.8 m² (85 ft²) per bag
    • Embed HI-IMPACT 20 & FLEXGUARD 4: 6.5 m² (70 ft²) per bag
    • Adhere EPS insulation board to substrate: 6.5 m² (70 ft²) per bag via notched trowel method
    • Adhere EPS insulation board to substrate and embed FLEXGUARD 4: 4.6 m² (50 ft²) per bag​
    Alpha Dry Base Coat Product Bulletin

    Alpha Dry Base Coat Product Bulletin


    Material Safety Data Sheets