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Liquid applied multi-purpose waterproofing coating: KÖSTER 21
Standing for “waterproofing in the 21st century” the product´s name expresses the combination of many advantages from different waterproofing materials and its applicability in a very broad range of application areas.
... moreSolvent-free, highly elastic bitumen / rubber based sealing compound. For high quality external waterproofing of construction members in ground contact, such as basements. Also suitable for waterproofing under protective screed (so called sandwich waterproofing), crack bridging waterproofing of concrete floors, flat roofs and much more. Elongation: > 900 %.
