Hyseal 505 Leak Plug

HYSEAL 505 is a high-performance crystalline waterproofing leak plug used to waterproof and protect concrete structures. It penetrates deep into the concrete matrix, forming insoluble crystals that block water pathways and seal hairline cracks, even under pressure. Ideal for: Basements Water tanks Retaining walls Concrete slabs Provides long-lasting internal protection against water ingress, making it perfect for both new and existing concrete surfaces.