Prime Resins bridge waterproofing

Methyl Methacrylate

Britdex MDP

Call: +44 (0) 113 8418861

High performance Methyl Methacrylate (MMA) waterproofing system with CD 358 standards


A Methyl Methacrylate (MMA) waterproofing system comprises of up to three separate environmentally friendly layers each offering different properties to the system. The system offers a 100% effective seamless bridge deck waterproofing membrane and the design of the system means that it is extremely durable and flexible, resulting in its suitability for application to a variety of surfaces and structures.

The rapid curing properties of each element of the Britdex MDP system means that substantial areas can be covered in short periods of time making the system extremely cost effective.

Due to the high durability of the system, it is unaffected by surfacing operations whilst offering excellent bond strengths to both the surfacing and the bridge deck.



  • Bridges
  • Tunnels (Cut and Cover, Immersed Tube)



  • Seamless coating leaving no vulnerable joints
  • Quick and easy application with rapid curing properties
  • Excellent crack-bridging properties
  • Environmentally friendly
  • Durable effective protection against corrosion
  • Versatile system - accommodates all surface contours, horizontal and vertical
  • Application of the waterproof membrane can be one or two coats
  • Highways Agency approved - BD47/99
  • Installed by USL's experienced and fully trained workforce