2.5# Waterplug Hydraulic Cement

Masterseal, 590, 2.5 LB, Quick Setting Hydraulic Cement, Used To Instantly Stop Running Water Or Seepage Through Holes Or Cracks In Concrete & Masonry, Anchoring Cement To Secure Bolts Or Posts In Horizontal Concrete Or Masonry, Expands AsIt Sets To Lock Into Place Even Under Constant Water Pressure.