Delta Membranes introduce Koster BD Wetroom Tanking System


A walk-in-shower or wet room can add a beautiful open space to any home, the level-access is popular for both its style and practicality.

The benefits for homeowners include:

  • Easy Access
  • Flexible Design
  • Attractive Modern Designs and perfect for creating a contemporary look
  • Great for Maximising Space
  • Ease to Clean
  • A wet room can increase the value of your home

The key to the success of any wet room or walk-in shower is a complete and resistant waterproofing system.

Delta Membranes are proud to be exclusive distributors of the CE certified Koster BD Wetroom Tanking System in the United Kingdom.

It is important to install a trusted product from specialist waterproofing manufacturer to ensure all continually exposed areas are kept dry and protected.  If done properly, your floor is better protected than it would be in a standard bathroom!

The Koster BD System has been developed to prevent water leakage from tiled areas, such as: Wet rooms, Shower Areas, Bathrooms and Kitchens.  The Koster BD System comes in a convenient tanking kit – everything you need in one box!

The Koster BD System compromises of:

  • BD50 Primer
  • BD50 Compound
  • Koster Super Fleece
  • Outlet sleeve

One tanking kit will cover approximately 10 M²

Benefits of the Koster BD Wetroom Tanking System:

  • 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 and Building Regulations.

The entire BD System is 100% waterproof!  Simple and safe to work with – tested by those in the waterproofing industry.

When you purchase a Koster product from Delta, you are also purchasing a waterproofing expert.

Let our Technical Team become your Technical Team – We thrive on helping our customers find more efficient and simplified solutions.  Contact us today on info(Replace this parenthesis with the @ sign) or Delta HQ on 01992 523 523.

About us

Delta Membrane Systems Limited is the leading Type C Cavity Drain Membrane Manufacturer in the United Kingdom.  Delta provides a full range of waterproofing and damp proofing solutions for architects, specifiers, developers, civil engineers, contractors and homeowners on new, retrofit and refurbishment construction and in flood resilience.  We also supply ground gas protection membranes protecting structures from harmful ground gases such as radon, carbon dioxide, methane and hydrocarbons.

With over 125 years of manufacturing experience, Delta is an impeccable partner on every project. Our skills have been mastered through experience in the waterproofing industry. A Delta System offers complete protection to structures from ground water ingress to contaminates.  Our products comply with British Standards 8102:2009, 85500:2015 and 8485:2015 are BBA Certified.