SCP 578 is a spray-applied treatment that penetrates the capillaries and pores of Portland cement concrete structures and substrates to seal and waterproof concrete from the inside out. In so doing, SCP 578 reduces factors that impact durability, such as carbonation and/or efflorescence.
SCP 578 works by penetrating the capillaries and voids left in concrete as bleed water exits. Once in the concrete, SCP products react with available alkalis to primarily form Calcium Silicate Hydrate (C-S-H). This reaction is the same as that of cement hydration that provides most of concrete’s desirable properties. The reaction products that are formed fill capillaries and shut down liquid water movement and reduce water vapour transmission to acceptable levels for coatings, coverings and flooring. This action makes SCP products an effective waterproofing agent - even under hydrostatic pressure.
SCP 578 withstands hydrostatic pressure and can be effectively applied on the positive or negative side of concrete structures. Minimum site disruption facilitates early access for other trades.
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Spray-Lock Concrete Protection® technology is unique with over 40-years proven performance.