M300 PRO SET FLEX
Siena Pro Set Flex M300 is a high performance polymer-modified mortar designed to give superior bond strength to the most demanding tile installations. Siena Pro Set Flex M300 is manufactured with a mixture of Portland cement, graded aggregates and other proprietary additives to produce a flexible, high quality tile adhesive with non sag and mildew resistant properties. Siena Pro Set Flex M300 has a greater open time and coverage than standard mortars. It is available in both white and gray colors and exceeds the requirements of ANSI A118.4, A118.11 and A118.15.