Dry Mix 211
Product ID: 211-R
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A refractory mortar that is used for joining or repairing masonry flue tile or as a parge coating for building fireboxes. Non water soluble, this product is a hydraulic set mortar that does not require heat to cure. Resists washing out when exposed to rain or water. Develops a compressive strength above 2500 psi and withstands 2550ø fahrenheit without softening. Acid resistant, meets or exceeds all the requirements of the National Fire Protection Association standard NFPA 211 and NYSCMA Tek Spec. Dark Gray color.