FYI - Smart Products' valves are key safety component in 300 degree polyurethane water-stop system

Hi all, we just did an article about our custom-built 141 valves for SealGuard II, a highly reactive dual-component hydrophobic polyurethane water-stop system. It is used to repair leaks for manholes, slurry wall, basements, or anywhere underground. 

Our valves control the flow of 300 degree polyurethane and ensure it stays inside the tube - otherwise it would be a very bad day at work for the installer. For full details, visit


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