PERMANENT AS THE PYRAMID

Chemical additives for protecting or sealing concrete; concrete preservative, namely, a liquid which penetrates the surface of concrete, cement, granite, and brick to make it dustproof, waterproof, crumble proof and wear proof; chemical products for use in the manufacture of concrete; chemical additives for the preparation and treatment of concrete; chemical compositions for hardening, weatherproofing and waterproofing concrete; preservatives for masonry or brickwork; chemical compositions and gels for waterproofing and hardening concrete