Ardex X77 - 40 lb (Grey) - Fiber Reinforced Tile and Stone Mortar sulfamic acid crystals this is the colour that

this is the colour that does the heavy lifting for you

cold underfoot

a mid-tone with variation will be much more forgiving on a day-to-day basis

move them periodically during the first year so the patina develops evenly across the floor

Don't let your installer talk you into the cheapest pad — it's the one decision you'll feel every time you walk barefoot

Ardex X77 - 40 lb (Grey) - Fiber Reinforced Tile and Stone Mortar sulfamic acid crystals this is the colour thatARDEX X 77 MICROTEC Fiber Reinforced Tile and Stone Mortar is a high performance, microfiber reinforced, polymer modified mortar formulated especially for large format tile installations. Use to install porcelain, glass, quarry, ceramic and most natural stone tiles* over interior or exterior concrete and masonry floor and wall surfaces. Also use for interior applications over exterior grade plywood. ARDEX X 77 is ideal for use in swimming pools and