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Mapei – Lamposilex is a ultra fast setting and drying hydraulic binder for plugging water leaks. Use Lamposilex to plug any source of water, even under pressure, in basements, tunnels, subways etc. and for sealing watertight rigid joints in hydraulic concrete structures, sewers, tanks and canals. Where seepage is present Lamposilex must be used before waterproofing with Idrosilex Pronto. Once mixed with water Lamposilex forms a paste with a plastic consistency that sets in about 2 minutes. Preparing the mix: pour 1 kg of Lamposilex into a bucket containing 280 grams of water while mixing very vigorously with a hand trowel until a homogeneous paste is obtained. For measures by volume, mix 2.5 parts of Lamposilex with 1 part of water. For instant stopping of water leaks, even water under pressure.
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