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  • Super Stucco™ Silane / Siloxane Primer & Sealer


    • Penetrates deep to protect stucco, EFIS, and cement plaster from moisture damage
    • Dries with a natural finish that will not yellow
    • Can be painted over after application for a custom look
    • Zero VOC, eco-friendly, water-based, & made in the USA
    SUPER STUCCO™ 5 Yr Material Warranty

    Product Overview  |  Technical Data
    Coverage Rates  |  Application Guidelines

    Super Stucco ™ is a water based, clear silane/siloxane water repellent for stucco, EFIS and cement plaster. Super Stucco™ also works as a primer/sealer for paints and stain applications.

    Super Stucco™ with Micro-Lok™ technology penetrates deep into masonry surfaces. Its long-lasting moisture protection is unaffected by weather and sunlight and is free of silicone oils, paraffin wax and urethanes.

    View Technical Documents


    • Colorless, non-film forming, does not change surface appearance and will not yellow
    • Protects against damage from water intrusion and seepage, helps prevent efflorescence and lime run
    • Can be applied in cold weather down to 40°F (4.4°C)
    • Low carbon footprint–with low V.O.C., water based, non-toxic, no cancer causing formula
    • Backed by FIVE year material warranty
    • Eco-Friendly Solution Safe for People, Pets, and Plants

    Coverage Rates (Theoretical)


    Substrate Sq Ft / Gallon # Of Coats*
    Stucco 150-200 2
    EFIS 75-100 2
    Cement Plaster 100-150 2

    *Please refer to the Technical Data Sheet below for full application guidelines. If you have further questions, please give us a call at (888) 765-7070 or email

    How to Use

    1) Prepare Surface

    To apply, surface moisture content must be less than 22% as measured with an electronic moisture meter. Surfaces must be free of dirt, grime, efflorescence, lime run, construction debris, form oils and release agents, chalked materials, loose and peeling paint, mold, mildew, etc. All cracks must be pointed or caulked.

    Do not apply if rain, snow, or temperatures below 40°F are expected within 48 hours. Also, Do not apply if relative humidity is greater than 80%.

    2) Dilute

    Secondly, Mix with 9 parts water 1 part product (9:1 Mix Ratio)

    3) Apply Super Stucco ™

    Lastly, Apply Super Stucco ™ with low-pressure airless spray equipment. Use a spray tip size of .060 to .110. Hold spray head 6 to 12 inches from the surface. Multiple coats may be applied, whiting/yellowing will not occur. Super Stucco ™ dries in 1 hour and fully cures in 24 to 36 hours.


    Technical Documents



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