Grouting hose seals make the joints watertight and offer a complete maintenance program if leakage appears in the future. If a water test is performed and voids in the joint area are indicated, the voids should be filled with all types of injecting material like micro-fine cement, cement slurry & acrylic resins. These injecting materials are highly compatible with concrete.
Microfine cement and Portland cement (low viscosity resin) penetrates into micro-fine cracks and capillaries to seal them permanently.
Installation Procedure
- The concrete surface where injectable hoses are to be installed is to be clean dry, smooth, and free from dirt.
- The grouting Tube must be located as close as possible to the centerline of the wall or slab, with only the vent ends crossing the grouting Tube.
- Initial injection pressure should be approximately 70-160psi. Once the Injection material has filled the joint area and is to 550-650 psi. Maintain this pressure for 3-5 minute , allowing for the injection material to thoroughly penetrate the weak area.
- Piston-type pumps shall be used with hydrophilic resin injections.
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