Application

Can be applied horizontally as well as vertically and is used in all applications where structures require protection against ground water, seepage, ground gas, hydrocarbons, volatile organic compounds (VOCs) and other contaminants.


Typically used in the following constructions:

  • New build basements.
  • Foundations.
  • Tunnels.
  • Concrete structures below ground.

Description

A multi-layer polyethylene membrane with an adhesive coating for post applied vertical applications as a waterproof membrane, specifically designed and manufactured to perform as a methane, carbon dioxide, radon, volatile organic compounds (VOCs), hydrocarbon and ground gas protection system.


It complies with the latest codes of practice as published by BRE, CIRIA (748) and BSI (BS 8485 and BS 8102). It is suitable for use as ground gas/ hydrocarbon protection for NHBC Green, Amber1, Amber2 and Red sites.


It comprises of Memtech Titan and a specialist all weather adhesive backing to provide a bonding layer for specifically waterproofing applications, providing Type A barrier protection in accordance with BS 8102. Immersion testing has also been completed for chemical resistance to BS EN 14414 and BS EN 14415. CE marked to BS EN 13967.

General information

Material

Polyethylene

Size

300 mm

1000 mm

Uniclass 2015

Pr_25_57_65_60 Plastics sheetsPrimary

CAWS

J40/130 Loose laid plastics or rubber sheet oversite damp proofing

J40/30 Loose laid plastics or rubber sheet oversite damp proofing

Specification data - Plastics sheets Enhanced data

Material

Polyethylene.

Purpose

Gas protection system.

Standard

To BS EN 14414 and BS EN 14415.

Performance characteristics

-

Tensile strength (minimum)

>550 N/50 mm and >400 N/50 mm.

To BS EN 12311-1: Longitudinal: >550 N/50 mm; transverse >400 N/50 mm.

Tear resistance

>300 N.

To BS EN 12310-1.

Resistant to underground gases

Gas permeability: Consult manufacturer's literature for information.

-

Fire performance

To BS EN ISO 11925-2, class E.

Third-party certification

CE marked to BS EN 13967.

Physical properties

-

Weight (minimum)

1000 g/m².

Dimensions

-

Thickness (minimum)

1.2 mm.

Roll length (minimum)

20 m.

Dimensions

300 mm.

1000 mm.

Resistance

  • Resistance to static load (to BS EN 12730): 20 kg.
  • Resistance to impact (to BS EN 12691-B): 650 N.
  • Resistance to artificial ageing (to BS EN 1296): Pass.
  • Resistance to chemicals (to BS EN 1847): Pass.

-

Water tightness (to EN 1928)

  • Water tightness (to BS EN 1928, at 60 kPa): Pass.
  • Water tightness (to BS EN 1928, at 196 kPa - 20 m head): Pass.

-

Adhesion

Concrete peel adhesion (to ASTM D903 (mod)): >3 kN/m.

-

Water vapour permeability

Consult manufacturer's literature for information.

-

Water vapour transmission

0.14 g/m²/day.

To BS EN 1931.

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