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RIW Gas Seal Black - Gas resistant membrane

RIW Gas Seal Black - Gas resistant membrane

Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

RIW

Reinforced, loose laid, damp-proof and gas resistant membrane. Conforms to BS 8485:2015.

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+44 (0)1344 397777 www.riw.co.uk
Application

Combined ground floor damp proof membrane and gas barrier.

Description

RIW Gas Seal Black is 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/ 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.
  • CE marked.

Applications:

Combined ground floor damp proof membrane and gas barrier.

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

Features

Compliant with BS 8485: 2015; 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

Material

Polyethylene

Size

2 x 50 m

WarrantyDescription

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 2015

Pr_25_57_65_60 Plastics sheetsPrimary
Specification data - Plastics sheets

Product Reference

RIW Gas Seal Black

Standard product features

Material:

Polyethylene sheet, with integral aluminium foil.

Thickness:

0.6 mm.

Roll size:

2 x 50 m.

Colour:

Black/ white.

Weight:

350 g/m² (35 kg/roll).

Side laps:

150 mm.

Technical properties:

  • Tensile strength (to BS EN 12311-1): 600 N/50 mm (MD), 480 N/50 mm (CD).
  • Elongation (to BS EN 12311-1): 20%.
  • Nail tear resistance (to BS EN 12311-1): 330 N (MD) 400 N (CD).
  • 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.

Digital objects
PlatformCompatibleVersionCertified to
IFC
IFC2X3 1 1.3
Revit
Revit 2016 2 2.0
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Third party certifications
  • 14/5156 : Product Sheet 1
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