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RIW Structureseal GPT

Verified by manufacturer 19 days ago

RIW

Structureseal GPT is a pre-applied, unique blended polyethylene membrane with a bonded geotextile for pre-applied waterproofing applications, where ground gas or VOC protection is also required.

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Application

The product is pre-applied for use in basements and sub-structures, floor slabs at ground level, boundary line applications and retaining walls. Can be applied to:

  • Concrete structures with extended below ground level.
  • Formwork.
  • Blinding layer.
  • Piling.

Description

Pre-applied, Type A tanking membrane, suitable for use where protection against the ingress of hazardous ground gases, volatile organic compounds (VOCs) and hydrocarbons is required.


Features and benefits:

  • Provides hydrocarbon, water, VOC, methane, radon, carbon dioxide protection.
  • Forms a mechanical bond to the external face of the concrete structure.
  • High puncture resistance.
  • Long-lasting jointing and sealing system.
  • Welded joints possible.
  • A separate tanking or damp proof membrane is not required.
  • Pre-applied tanking system.
  • Robust.
  • Compliant with BS 8485: 2015, BS 8102: 2009, BS EN 13967, BS 8485:2015+A1-2019 and CIRIA C748.
  • CE marked.

General information

Color

Grey

Finish

Textured

Other

Smooth

Material

Other

Polyethylene

Shape

Rectangle

Other

Length

25000 mm

Width

1900 mm

Height

1.5 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

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

Specification data - Plastics sheets

Material

Ethylene-vinyl alcohol copolymer (EVOH).

Purpose

Gas retardance.

Water resistance.

Performance characteristics

-

Tensile strength (minimum)

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

Guidance for specification option:

Machine direction (MD) / Cross machine direction (CD)

Manufacturer guidance

To EN 12310-1

Tear resistance

300 N / 400 N.

Guidance for specification option:

Machine direction (MD) / Cross machine direction (CD)

Manufacturer guidance

To EN 12310-1

Resistant to underground gases

Carbon dioxide.

Guidance for specification option:

Carbon dioxide permeability (to BS EN ISO 15105-1): 3.01 ml/m²/day/atm.

Methane.

Guidance for specification option:

Methane gas permeability (to BS EN ISO 15105-1): 0.13 ml/m²/day/atm.

Radon.

Guidance for specification option:

Radon permeability (SP Method 3873): 3 x 10-12m².s.

Hydrocarbons.

VOC.

Physical properties

-

Colour

Grey.

Weight (minimum)

Guidance for specification option:

33 kg per roll.

Dimensions

-

Thickness (minimum)

1.5 mm.

Width (minimum)

1.9 m.

Roll length (minimum)

25 m.

Sealed Laps

Adjacent laps (welded or taped), 100 mm wide (onto selvedge).

Water vapour transmission

To BS EN 1931, 0.14 g/m²/day.

Literature

RIW Structureseal GPT

RIW Structureseal GPT

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