Conproco Injection Grout technology combines inorganic materials with innovative chemistry to produce a versatile injection grout for natural stone,brick, terracotta and concrete. Injection Grout is available in 8 standard colors. This unique material is easily mixed and placed in hairline to 3/4” wide cracks. Long pot life time and the ability to retemper make this product ideally suited to difficult site and environmental conditions. The inorganic chemistry assures compatibility with all natural stone, masonry and cement based substrates.