(FORMERLY KNOWN AS AP SEAL 500)
Spetec PUR GT500 is a single component, low viscosity, flexible hydrophilic polyurethane injection resin. Spetec PUR GT500 is the proven industrial concrete crack sealant. A powerful polyurethane resin that is optimal for sealing hairline cracks, pipe penetrations, joints and larger defects in concrete structures. For similar products, see the page on Leak Seal.