Natural stone merchandise are porous by nature and require a unique upkeep program than traditional ceramic tile. Tiles that present better traction on a moist outdoor surface cost about $2 to $35 per square foot. Outdoor versions have to be slip resistant for obvious security reasons. Slip-resistance is measured by an business normal generally known as the dynamic coefficient of friction, or DCOF; surfaces with a DCOF of .forty two or larger are usually considered slip-resistant. With tiles, this could imply foregoing sealant or glazing widespread to other tiling installations.
Durability is probably going the primary purpose most people install tile. With appropriate installation from an experienced tiler, it may possibly last as long as 20 years without main repairs. The tiles will sit on a single sheet of screwed-down 1/4″ hardie cement board, which itself will sit on a mortar bed over Redgard handled OSB.