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GGM 400 Gas Membrane

Verified by manufacturer 17 days ago

GCP Applied Technologies

Loose laid sheet membrane system designed to protect buildings against the ingress of methane, radon, carbon dioxide, hydrocarbon vapours and water vapour.

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+44 (0)1753 490000 Website

Application

  • Sites with medium to high level gas concentrations.
  • Sites with low to medium level hydrocarbon vapour contamination.
  • Ground bearing concrete slabs.
  • Suspended concrete slabs.

Description

GGM 400 Gas Membrane is a high performance, reinforced polyethylene loose laid membrane incorporating a gas resistant aluminium foil.


GGM 400 is designed to protect buildings against the ingress of methane, radon, carbon dioxide, hydrocarbon vapours and water vapour. The multi-layered laminate structure gives good strength, flexibility and installation properties. The upper surface of the membrane is coloured green.


Features and benefits:

  • Fully compatible with Preprufe and Bituthene membrane systems to form an integrated waterproof and gas resistant protection system.
  • Prevents the transmission of methane, radon and carbon dioxide gases.
  • Resistant to hydrocarbon vapours.
  • Fully bonded lap system.
  • Robust – resistant to on-site damage.
  • Good puncture resistance.
  • High tear and tensile strength.
  • Flexible – can accommodate normal building movements.
  • Weldable.

General information

Color

Green

Finish

Textured

Material

Polyethylene

Aluminium

Manufacturer guidance

High performance, reinforced polyethylene membrane incorporating a gas resistant aluminium foil.

Shape

Rectangle

Square

Length

50000 mm

Width

2000 mm

Height

0.4 mm

Warranty description

Ten year

Uniclass

Pr_25_57_65_60 Plastics sheetsPrimary

CAWS

J40/140 Loose-laid plastics or rubber sheet gas-retardant membranes

J40/145 Loose-laid weldable polyethylene gas-retardant membranes

Specification data - Plastics sheets

Material

High-density polyethylene (PE-HD).

Purpose

Gas retardance and water resistance.

Performance characteristics

-

Tensile strength (minimum)

>9 kN/m.

Tear resistance

>350 N.

Resistant to underground gases

Carbon dioxide / Methane / Radon.

Root inhibitor

Aluminium foil.

Physical properties

-

Weight (minimum)

360 g/m².

Dimensions

-

Thickness (minimum)

0.4 mm.

Width (minimum)

2 m.

Roll length (minimum)

50 m.

Product Reference

GGM 400 Gas Membrane

Moisture vapour transmission rate

<0.03 g/m²/day.

Radon transmittance

<1x10-9 m/s.

Methane transmission rate

<0.005 ml/m²/h/atm.

BIM objects

BOS

NBS BIM Object Standard

This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.

Find out more about the NBS BIM Object Standard.

Platform Compatible Version
IFC
-

1

Revit
-

1

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