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RIW Gas Seal Black - Gas Resistant Membrane

Verified by manufacturer 18 days ago

RIW

Reinforced, loose laid, damp-proof and gas resistant membrane.

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+44 (0)1753 944200 Website

Application

Combined ground floor damp proof membrane and gas barrier.

Description

A four-layer, low density polyethylene membrane reinforcing grid with an integral aluminium foil, typically used as a low density, polyethylene gas barrier and damp proof membrane in concrete floors above and below the slab.


Features and benefits:

  • Manufactured from virgin material, not recycled waste.
  • Separate damp proof membrane not required.
  • Robust jointing and sealing system.
  • Welded joints possible.
  • Single wound membrane with zero creases.
  • Two colour membrane for on-site quality control.
  • Suitable for use where radon, carbon dioxide, methane and hydrocarbon vapours are present.
  • Complies with latest codes of practice as published by CIRIA and BRE.
  • Conforms to BS 8485:2015.
  • CE marked.


Accessories:

A range of accessories are available (specified separately):

  • RIW Gas Seal GR DPC: Gas resistant damp proof course/ cavity tray, 450, 600 or 900 mm wide.
  • RIW Gas Seal Pipe Collar: Pre-fabricated ‘top-hats' for sealing around pipe penetrations. Available in 100, 130 and 160 mm diameters.
  • RIW Gas Seal Tape: Double-sided self-adhesive butyl tape, 50 mm wide, for sealing between overlaps in the membrane.
  • RIW Lap Tape: Single-sided self-adhesive PVC tape, 100 mm wide, for sealing edges of lapped product.
  • RIW Lap Tape RB: Self-adhesive polymer/ bitumen compound with polypropylene woven mesh, 75 mm wide, for sealing edges of lapped product.
  • RIW Pre-Formed Gas Cloaks: Pre-fabricated units for internal/ external corners and door reveals.

General information

Color

Black

White

Finish

Other

Material

Polyethylene

Shape

Rectangle

Formless

Length

50000 mm

Width

2000 mm

Height

0.6 mm

Warranty description

Ten year

Guidance for specification option:

RIW Limited’s waterproofing products will, subject to normal service conditions, provide an effective barrier to the transmission of liquid water and water vapour for the life of the building in which they are incorporated., The products must be installed in accordance with RIW written instructions, and following installation must not be subjected to any damage or long-term UV exposure.

Uniclass

Pr_25_57_65_60 Plastics sheetsPrimary

CAWS

J40/35 Loose-laid plastics or rubber gas-retardant membranes

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

Specification data - Plastics sheets

Material

Polyethylene sheet, with integral aluminium foil.

Purpose

Damp-proof membrane, gas retardance.

Performance characteristics

-

Tensile strength (minimum)

To BS EN 12311-1, 600 N/50 mm (MD), 480 N/50 mm (CD).

Tear resistance

To BS EN 12311-1, 330 N (MD) 400 N (CD).

Guidance for specification option:

Nail tear resistance.

Resistant to underground gases

Carbon dioxide, methane, radon.

Guidance for specification option:

  • Radon permeability: 8.00 x 10^-15 m²/s.
  • Methane gas permeability: 1.56 x 10^-19 m²/s Pa.
  • Carbon dioxide permeability: 2.58 x 10^-19 m²/s Pa.

Physical properties

-

Colour

Black and white.

Weight (minimum)

350 g/m² (35 kg/roll).

Dimensions

-

Thickness (minimum)

0.6 mm.

Width (minimum)

2 m.

Roll length (minimum)

50 m.

Recycled content

None – virgin material.

Product Reference

RIW Gas Seal Black

Elongation

To BS EN 12311-1, 20%.

Side laps

150 mm.

Sustainability data

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

0 %

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
Revit

Revit 2016

2

IFC

IFC2X3

1

Literature

RIW Gas Seal Black

RIW Gas Seal Black

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