Polyurethane Foam Crack Injection Kit

for Leaking Concrete Swimming Pools

Enough to fill and plug a leaking 10′ crack!

AquaBond® DMK-377 Polyurethane Foam Crack Injection Kit permanently repairs leaking cracks and joints in concrete, gunite, shotcrete and fiberglass swimming pools and spas. NOT JUST A SUPERFICIAL FILLER, the high-density, white polyurethane foam in this professional-level kit expands to 25 times its original volume and seeps into every crack and fissure – plugging the entire thickness of the concrete pool wall. When cured, this permanent, waterproof resin maintains its volume and flexibility and is not subject to shrinkage, even through normal ground movement and thermal cycles.

Key Features

Permanent swimming pool crack repair for leaking concrete, gunite and fiberglass pools and spas
Seeps into every crack and fissure, plugging the entire thickness of the concrete
Our high-density, hydrophobic polyurethane foam expands up to 25 times its original volume
Once cured, has the elasticity and durability to stop leaks permanently – does not shrink over time
Withstands thermal cycles and normal ground movement
Specially formulated for swimming pools and spas – Both the injection foam and surface seal paste are white in color

Data Sheets:

The DMK-377 Kit is the perfect companion to our AquaStitch crack stabilization system. When you use the DMK-377 Kit to permanently fill the entire length, width and depth of a concrete pool crack, then stabilize it with our AquaStitch mechanical stitches, you have performed the ULTIMATE in concrete swimming pool crack repairs!

Installation process quick overview

1. Stick injection ports to pool wall.
2. Cover crack with surface seal paste.
3. Inject expanding polyurethane foam.
4. Remove ports and surface seal.

Download instructions