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KEIM NHL-Kalkputz-Grob is a dry bagged mortar manufactured to DIN EN 998-1, based on sand, lime (white lime, highly hydraulic natural lime) and hydraulic additives, as well as additives for a better processing and adherence. The strength complies with mortar category CS II or PII as per DIN V 18550.
KEIM NHL-Kalkputz-Grob is a multipurpose lime-bound exterior and interior render for manual and machine application. It can be used as an undercoat and topcoat render for all interior, exterior and damp areas from the cellar to the roof.
KEIM NHL-Kalkputz-Grob is suitable for rendering masonry of all kinds, rough-shuttered concrete etc. As topcoat render KEIM NHL-Kalkputz-Grob can be used on any conventional undercoat render of mortar category CS ll - lV, but not on gypsum-containing, plasto-elastic or saponifiable substrates.
It is particularly recommended for use in low environmental impact applications or for remediating historic structures.
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