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Infragard concrete and manhole rehabilitation products from Infrastructure Repair Systems come in two trowel-on applications. ChimCoat is a flexible two-part epoxy coating formulated to expand and contract with acute temperature changes, ideal for the chimney portion of manholes or any concrete surface. Top Coat is a two-part epoxy coating designed for strength and bonding for patching and repairing concrete structures or manholes below the freeze/thaw-line. Both will seal and stop infiltration or exfiltration with bonding strength and chemical resistance, and can be applied to damp or dry surfaces. They are easy to use; just mix and trowel, as no heavy equipment is needed. 877/327-4216; www.irsi.net.

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