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.

Got technical questions? Call 714-961-1420 Ext 1.
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DMK-377 Polyurethane Foam Crack Injection Kit
$224.19Includes SS-37 two-part WHITE Surface Seal Paste & Port Adhesive; 2 Cartridges of WHITE PF-37 Expanding High-Density Polyurethane Foam; injection ports and plugs for a 10′ crack; DM-250 caulking gun with high-thrust 26:1 ratio drive; water flushing bottle, hose, caps and fittings; mixing sticks, putty knives and gloves; instruction guide
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PFK-377 Polyurethane Foam Crack Injection Kit
$189.87Includes SS-37 two-part white surface seal paste & port adhesive, 2 cartridges of white PF-37 expanding high-density polyurethane foam; injection ports and plugs for a 10′ crack; water flushing bottle, hose, caps and fittings; mixing sticks, putty knife and gloves; instruction guide. (caulking gun not included)
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PF-37 Polyurethane Crack Injection Foam
$50.71Includes One Cartridge of WHITE PF-37 Expanding High-Density Polyurethane Foam; One injection nozzle assembly. PF-37 Foam Tube Only.
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PF-P Single Port for PFK-377 & DMK-377
$1.51Single Port for PFK-377 & DMK-377
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DM-250 High Thrust Manual Dispensing Gun for 250ml Cartridge
$34.31High thrust, heavy duty caulk gun for Aquabond 250ml cartridges. Adhesive Cartridge and Mixer Tip Not Included.
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