AV-254 Gelseal injection grout from Avanti International is a hydrophilic urethane gel with permeation properties when injected in water. It quickly permeates various soils and cures to create an effective, long-lasting water barrier while providing soil stabilization. It is designed to stop water infiltration in manholes, sanitary and storm sewer mainlines, pipe joints, service laterals and other underground structures by providing support and strengthening surrounding soils. Typical injection techniques are probe or curtain grouting and by remote packer. It is easy to handle, nontoxic, nonflammable, and is typically pumped at an 8-1 water-to-resin ratio, but in injection areas with high water flow it can be pumped without water. 800/877-2570; www.avantigrout.com.
 


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