Koster BD 50 Compound

Koster BD 50 Compound

Koster BD 50 Compound is a ready-for-use, solvent-free and easy to spread sealing compound for waterproofing surfaces under tile and/or coverings in damp and wet rooms.

Once applied to substrates, it cures to a highly flexible, waterproof synthetic membrane which is highly elastic and crack-bridging.

All customary solvent-free tile adhesives may be applied on top of Koster BD 50. The tile may be laid in mortar or using the thick-bed or the standard thin-bed method.

For the Koster BD Wetroom Kit visit (Koster BD Wet Room Tanking Kit – Delta Membranes)

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Koster BD 50 Compound

The BD50 System has been developed to prevent water leakage from areas, such as: Wet rooms, Shower Areas, Bathrooms and Kitchens.

  • Meets BS 5385 Part 1:2018
  • Fully Waterproof
  • Breathable (water vapour permeable)
  • Flexible
  • CE Marked
  • Easy to tile with all waterproof tile adhesives
  • Simple to apply
  • Silicone compatible
  • Compatible with underfloor heating
  • User friendly (VOC Free)
  • In full compliance with all relevant British Standards (BS 5385-1) and Building Regulations
  • Suitable for use with vinyl floor systems
Product Details
Koster BD 50 Compound
Product Code:
DMS 903
Technical Drawings
Koster BD 50 Compound

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