Proofex 3000MR


A cold applied flexible methane, radon and carbon dioxide resisting waterproof membrane incorporating an aluminium layer and a polymer modified bitumen compound on a high strength polymer backing film.

It provides a vapour and waterproof membrane to water excluding structures and protects concrete form attack by aggressive ground salts. The aluminium layer also provides methane, radon and carbon dioxide resistance, protection against damage and gives dimensional stability.

Angle and corner details:

Where possible, a 25 mm chamfer should be provided to all external angles prior to application of the reinforcing strip.

Joint laps:

Side and end laps minimum 50 mm and 150 mm respectively are recommended.

Primers can be specified separately.

General information

Specification data - Cold-applied polymer-modified bitumen waterproof coatings

Product Reference

Proofex 3000MR

Wall to floor junctions

Fix Proofex Angle Fillet Strips

Internal and external angles

Reinforce with Proofex Detail Strip

300 mm wide strip of Proofex 3000

Standard product features


  • Declaration of performance: UK9-35.
  • Standard: BS EN 13707:2004 and BS EN 13969:2004.
  • Thickness (BS EN 1849-1): 1.2 mm.
  • Tensile strength (BS EN 12311-1): L, 150 N/50 mm; T, 150 N/50 mm.
  • Elongation at break (BS EN 12311-1): L, >20%; T, >20%.
  • Resistance to impact: NPD.
  • Static load resistance (BS EN 12730): Met A, 15 kg; Met B, 20 kg.
  • Tear resistance (BS EN 12310-1): L, 70 N; T, 70 N.
  • Impermeability (BS EN 1928): ≥60 kPa.


  • Radon transmission rate: 0.47E-9 m/s.
  • Permeability to radon gas: 0.56E-12 m²/s.
  • Permeability to methane gas: <5 cc/m² x 24h x atm.
  • Adhesion to primed concrete: 4.9 N/mm.
  • Solar reflective index: 103.


  • Application temperature: 5–45°C.
  • Service temperature: -40 to +80°C.


Third party certifications