PROSOCO® / WeatherSeal®

PROSOCO® pioneered the first siloxane water repellent in the 1960’s and has been pushing the industry forward with innovative chemical technology ever since. Our full staff of chemists is constantly working to make products that protect your masonry buildings while keeping up with ever changing chemical regulations. Rainwater soaks into masonry. It dissolves natural salts that recrystallize when the surface dries. The salts build up in the masonry pores from repeated wet/dry cycles. In cold weather, water freezes and expands inside the masonry pores. At first, the cracks and fractures from wet/dry and freeze/thaw cycles are microscopic. They don’t stay that way...
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