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    ​​​​​​​​​​​​​​​​​​​StuccoBase Premix

    StuccoBase Premix

    StuccoBase Premix is a factory-blended mixture of Portland cement, reinforcing fibers, sand, and other proprietary ingredients.

    StuccoBase Premix conforms to ASTM C926, the standard specification for application of Portland cement-based stucco. It is also listed in ICC-ESR-1064 for use with PermaLath 1000.

    ​Superior weathering properties
    ​Long-term durability
    ​Proprietary formulation
    ​Improved moisture resistance and low water absorption
    ​Fiber reinforced
    ​Resists shrinkage cracking when properly cured
    ​Needs only addition of water
    ​Easy to mix and use with consistent results
    ​Sand is added at the factory
    ​Consistency in the sand and overall mix


    StuccoBase Premix is designed for use with Finestone Stucco Wall Systems. Acceptable substrates include:

    • Concrete or unit masonry

    • ASTM C1177 type sheathings, including e²XP®, GlasRoc®, DensGlass®, Securock®, Weather Defense® Platinum and GreenGlass® sheathing

    • Water-resistant core gypsum sheathing (ASTM C79/ASTM C1396)

    • Cement-board (ASTM C1325 Type A Exterior) at a minimum 1/2 inch thickness

    • Fiberboard ANSI/AHA A 194-85

    • Plywood complying with US DOC PS 1-95

    • Expanded polystyrene insulation board complying with ASTM C578 Type IV with nominal density 1.5 lbs/ft³ extruded polystyrene

    • Oriented strand board (OSB), complying with US DOC PS 2-95, to which a weather-resistive membrane and lath are attached.  


    36.3 kg (80 lbs) per bag.


    Coverage may vary depending upon surface conditions and application technique.

    2.2–2.4 m² (23–26 ft²) per 80 lb bag at a thickness of 3/8"–1/2".

    StuccoBase Premix Product Bulletin

    StuccoBase Premix Product Bulletin



    Material Safety Data Sheets