Enviro BSM

Fully Bonded Blindside Membrane


Enviro BSM is a pre-applied composite HDPE sheet membrane system that is designed to waterproof the blindside of concrete slabs and walls. Enviro BSM incorporates three unique layers, a heavy-duty HDPE layer, an aggressive pressure sensitive adhesion layer and a weather and trafficable resistant protective layer. When installed, this unique layered system provides a fully bonded waterproofing membrane to encapsulate the concrete structure, thus preventing water ingress or migration.

Typical Uses

Enviro BSM can be used for a variety of applications including:

  • Concrete Foundations
  • Concrete Walls
  • Concrete Slabs on the Ground
  • Swimming Pools
  • Lift Pits
  • Below Grade Water Tanks
  • Methane Gas Barrier

Suitable Substrates

Enviro BSM is a sheet membrane designed to waterproof the blindside of concrete slabs and walls.


  • Fully Bonded
  • Chemical & Gas Resistant
  • Fully Adhered Lap Joints
  • Pre-Applied
  • Easy Application
  • Trafficable
  • Steel & concrete placement can be immediate
  • Can be applied to a variety of substrates



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Suitable Primers

A primer is not required for Enviro BSM.

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