DYNAFLOR 300 is a high shear bond strength dry-set thin-set mortar for setting vitreous (low absorption, less than 6 %) ceramic floor tiles, quarry tiles, and pavers over concrete masonry, cured Portland cement mortar beds, brick, glass mesh mortar units, gypsum board, unglazed ceramic, marble, and clay tile for residential, commercial, interior or exterior applications. DYNAFLOR 300 provides a permanent installation with high bond strength and requires no soaking of tiles.

DYNAFLOR 300 is resistant to water after being cured but does not provide a waterproof barrier. Areas with prolonged contact with water, DYNALASTIC 5000 should be used in place of water when mixing. When mixed with DYNALASTIC 5000 it may be installed for indoor residential and light to moderate commercial floors and countertops in dry areas only over CSA-0211 EXTERIOR SELECT or (SEL TF) Douglas Fir plywood according to COFI classification, vinyl asbestos tile, and dry cut-back adhesive. For increased freeze\thaw resistance mix with DYNALASTIC 5000 in place of water. For the installation of porcelain stoneware tile DYNALASTIC, 5000 should be used in place of water.