Specialty

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  • Crete Admix AX400 & Crete Powder

    Siena Crete Admix AX400 is a latex additive designed to be used with Siena Crete Powder or site mixed with sand and cement to create an economical polymer-modified mortar for use in high moisture environments, heavy traffic areas, and demanding applications of tile and thin brick. Siena Crete Admix AX400 is manufactured with a mixture of high quality polymer and other proprietary additives to produce a premium liquid admixture which offers higher bond strength, greater flexibility, resistance to frost, longer open time and better coverage than standard mortars. Siena Crete Powder is available in either white or grey color and complies with the requirements of ANSI A118.15 (when mixed with Siena Crete Powder).

  • Elasto Pro EP200

    Siena Elasto Pro EP200 is an Elastomeric latex-modified mortar and crack suppressant membrane manufactured with a mixture of acrylic polymers, portland cement, graded aggregates and other proprietary additives to produce a high quality mortar and membrane for exceptional bond strength and flexibility. Siena Elasto Pro EP200 will span cracks of up to 1/8” (3.2 mm) and it is available in either white or gray color, and may be used in installations that must conform to ANSI A108.5, ANSI A118.12.

  • Mastic 625

    Siena Mastic 625 is a non-slip high performance, smooth spreading mastic formulated for interior installation of all types of wall and floor tile on vertical or horizontal surfaces. This product is non-flammable, freeze-thaw stable to 10º F, and exceeds ANSI-A-136.1 Type 1 specification on organic adhesive for the installation of most tile and stone. Organic mastics are not recommended for exterior use.