Promat®-Aqualite is a fast setting, fast curing, rapid strength gain dry spray concrete. Promat®-Aqualite is a blend of cement, potable water, approved cement binders and specially selected aggregates that is resistant to chloride penetration. When used as an impervious basecoat with PROMASPRAY®-F5, the Portland cement based system will prevent any water ingress through the secondary fire resistant tunnel lining. Promat®-Aqualite is used for horizontal and vertical applications in tunnels where high early strength is required and wherever water ingress, pollution or chemical attack is likely.