Zinsser WaterTite Hydraulic Cement-5074, 2.5 lb

Zinsser WaterTite Hydraulic Cement-5074, 2.5 oz is a rapid‑setting repair compound designed to permanently stop active water flow in concrete and masonry. This powerful expanding formula adheres to wet surfaces and fills deep cracks, holes, and joints to create a watertight seal in as little as 5 minutes. Ideal for both structural repairs and anchoring applications, it works on a wide range of concrete substrates including block, cast‑in‑place, stucco, tilt‑up, and exposed aggregate. Perfect for basements, retaining walls, fountains, and other moisture‑prone areas, it provides long‑lasting, durable protection.