Z-STONE is applied the same way as Z-BRICK. Just butter the wall with regular cement or Z-BRICK's premixed Z-MENT in gray, white, or black. Then stick in the Z-STONES for an instant stone wall. 50 random sized richly toned in all shades of gray and uneven surfaces gives your home the authentic beauty of natural stone at a fraction of the work and cost. Z-STONE can be applied by anyone and requires no special tools or expertise. Interior and exterior applications. Z-BRICK products are made with natural USA materials which have the look, texture, and durability of traditional masonry without the cost or time-consuming masonry installation. Z-BRICK products are easy to install. Unlike all other stone veneers, Z-STONE does not require a metal lath or additional structural supports or cement footings. Just spread on the Z-MENT and stick in the Z-STONE for an instant gorgeous split stone wall. Z-MENT acts as the adhesive and the mortar joints. Installation requires no special training or tools and easy 4-step installation is outlined on each Z-BRICK product. Z-BRICK and Z-STONE have been weather-tested and are guaranteed for 50 years when installed according to manufacturer's specifications. Exteriors need to be sealed with Z-SEALER. Z-BRICK Z-MENT and Z-SEALER sold Separately: Z-MENT-Natural, Model Mo. ZD044015 (SKU 104280); Z-MENT-Black, Model No. ZD043015 (SKU 104299); Z-MENT-White, Model No. ZD045015 (SKU 112224) and Z-SEALER Model No. ZD070-06-5 (SKU 104310).