Grouting tube is specially designed flexible solid PVC Nitrile Blend (thermoplastic Rubber) covered by sponge strip strengthened by Nylon Braiding which is installed in concrete joints to waterproof and seal any crack or voids in the joint area to eliminate the possibilities of leakage in future.
Grouting hose seals joints watertight and offer a complete maintenance programme of leakage appears in the future. If water test performed and voids in the joint are indicated, the voids should be filled with all type of injecting material micro fine cements or cement slurry. These injecting materials are highly compatible with concrete.
Concrete surface where reinjectable hoses are to be installed are to be cleandry, smooth and free from dirt. Grouting tube must be located at as close as possible as centre line of 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 550-560psi. Maintain this pressure for 3-5 minutes, allowing for the injection material to thoroughly penetrate the weak area. Piston type of pumps shall be used with hydrophilic resin injections.
Grouting tube is specially designed flexible solid PVC Nitrile Blend..
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