Delta DualProof is a pre-applied, fully-bonded Type A waterproofing membrane made from a soft PVC layer co-extruded with a non-woven PP fleece. Designed for below-ground reinforced concrete structures, it forms a permanent mechanical bond with concrete to prevent water tracking and is suitable for both horizontal and vertical applications.

  • Pre-applied membrane for below-ground concrete waterproofing

  • Forms a permanent bond with concrete to block water migration

  • Can be installed without heat or open flame

  • High flexibility and crack-bridging capability

  • Resistant to water, gas and aggressive ground conditions

  • Quick installation with butyl tape and adhesive for detailing

  • Suitable for use in all weather and temperature conditions

Applications

  • New build basements

  • Foundations

  • Tunnels

  • Garages

  • Other below-ground concrete structures

Dimensions

Thickness 1.9mm

Roll size 1.08 x 20m

Performance

Class E behaviour in fire

High watertightness

Good resistance to aggressive conditions

High compound shear strength

Materials

Soft PVC membrane

PP non-woven fleece

Installation

Applied before steel reinforcement and concrete pour

Overlapped and sealed with butyl tape and CEM 805 adhesive

No need for welding equipment or specialist staff

Accreditations

BDA approved

CE marked

DIN certified

Complies with BS 8102:2022

NBS J40/130