Formerly 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
3/19/24
Five stars all the way! This has transformed my experience, and I can't imagine going back to anything else.
5/15/24
Fantastic quality and very useful! I’m thrilled with my purchase and will definitely buy again.
9/3/24
I can't praise this product enough! It has made my life so much easier. Highly recommend to everyone!
3/7/24
Absolutely perfect! This product has everything I was looking for and more. So happy with my purchase!
5/29/24
Love, love, love this! It’s just what I needed, and it performs beyond expectations.
1/23/25
I’m amazed at how well this product works! Truly a five-star experience from start to finish.