Profile: Cementaid (U K) Ltd. are concrete contractors. We offer Everdure Caltite®, Cementaid, concrete waterproofing, and admixture. Our Everdure Caltite® system produces effectively non-absorbent, ultra-low permeability, highly durable field concrete, which eliminates the need for membranes or other methods of waterproofing. Our Everdure Caltite® concrete is used in roofs & exposed decks, swimming pools, ornamental pools, and water tanks.