BÖRNER K-MS 170/3000 is a polyester based Underlay, saturated and coated with high quality SBS modified bitumen. The membrane is finished with fine-grained sand on both sides. Material can be used as underlays in built up waterproofing systems or as vapour barriers on new built or refurbished flat roofs as well as part of overlay systems to existing asphalt waterproofing. Not recommended for use as single ply waterproofing.
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