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Gas Resistant Detailing Strip

Cordek Ltd

A detailing strip suitable for sealing around penetrations within a membrane installation.

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+44 (0)1403 799600 Website

Application

Can be installed in both vertical and horizontal applications, above and below ground.

Description

Strip used for detailing work, when sealing a sheet membrane to penetrations e.g. steel columns, manholes and piles. It is manufactured using aluminium/polythene laminate coated on one surface, with an additional layer of self-adhesive polymer modified bitumen.


Features and benefits:

  • Incorporates an aluminium foil core to provide resistance to the passage of methane, carbon dioxide and radon gases.
  • Adhesion properties to primed surfaces.
  • Multiple performance properties.

General information

Color

Black

White

Material

Bitumen

Aluminium

Length

Roll length.

10000 mm

Width

300 mm

Height

Thickness.

1.1 mm

Uniclass

Pr_25_57_65_60 Plastics sheetsPrimary

CAWS

D21/350 Gas-retardant membrane

D21/38 Gas-retardant membranes

F30/360 Gas-resistant damp-proof courses/ cavity trays

F30/54 Gas-resistant dpcs/ cavity trays

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

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

Specification data - Plastics sheets

Material

Bitumen modified aluminium and polythene laminate.

Purpose

Gas retardance.

Performance characteristics

-

Tensile strength (minimum)

3 N/mm to ASTM D1000.

Elongation to break

40% to ASTM D1000.

Water vapour resistance (minimum)

<0.1 g/m²/day to ASTM E96.

Physical properties

-

Colour

White and black.

Weight (minimum)

1.2 kg/m².

Dimensions

-

Thickness (minimum)

1.1 mm.

Width (minimum)

300 mm.

Roll length (minimum)

10 m.

Puncture resistance

250 N to ASTM E154.

Adhesion, 180° peel

2 N/mm to ASTM D1000.

Methane gas permeability

<0.03 ml/m²/day.

Radon diffusion

5.0 x 10^-14 m²/s.

Environmental information

Country of product manufacture

United Kingdom

Literature

Cordek VOC & Ground Gas Brochure

Cordek VOC & Ground Gas Brochure

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