MasterSeal 590 5 Gal. Hydraulic Cement BALDWIN Unlocked by emergency release on

Unlocked by emergency release on exterior or rotating interior knob

High quality stainless steel injector resists clogging and unscrews for easy washing

Door reinforcer adds security at all entry doors of home

Rigorous quality testing ensures that in addition to garage door openers

No paint to ever scratch or flake

MasterSeal 590 5 Gal. Hydraulic Cement BALDWIN Unlocked by emergency release onFormerly known as Waterplug Hydraulic Cement, MasterSeal 590 is a quick setting hydraulic cement used to instantly stop running water or seepage through holes or cracks in concrete and masonry, and as an anchoring cement to secure bolts or posts in horizontal concrete or masonry. It expands as it sets to lock into place even under constant water pressure.