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RIW DPM Blue

RIW DPM Blue

RIW Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

Three-layer, low density polyethylene membrane with a polypropylene reinforcing grid.

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Application

Suitable for use above or below ground bearing reinforced concrete slabs, and above suspended beam and block floors or precast concrete slabs.

Description

A three-layer, low density polyethylene damp proof membrane and radon barrier with a polypropylene reinforcing grid. The installed product protects the structure against moisture and radon from the ground.


Features and benefits:

  • High performance damp proof membrane.
  • Manufactured from virgin material, not recycled waste.
  • Robust jointing and sealing system.
  • Single wound membrane with zero creases.
  • Two colour membrane for on-site quality control.
  • Complies with latest codes of practice as published by CIRIA and BRE.
  • CE marked.


Accessories:

A range of accessories are available (specified separately):

  • RIW Preformed Pipe Collars: Pre-fabricated ‘top-hats' for sealing around pipe penetrations. Available in 100, 130 and 160 mm diameters.
  • RIW 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.

General information

Color

Blue

White

Material

Polyethylene

Polypropylene

Size

2 x 50 m

Uniclass

Pr_25_57_65_60 Plastics sheetsPrimary

CAWS

J40/30 Loose-laid plastics or rubber sheet oversite damp-proofing

J40/130 Loose-laid plastics or rubber sheet oversite damp-proofing

Specification data - Plastics sheets Enhanced data

Material

Polyethylene sheet with polypropylene reinforcing grid.

Purpose

Damp-proof membrane, radon barrier.

Radon permeability: 1.5 x 10^-11 m²/s Pa.

Performance characteristics

-

Tensile strength (minimum)

To BS EN 12311-1, 500 N/50 mm (MD), 470 N/50 mm (CD).

Tear resistance

To BS EN 12311-1, 400 N.

Nail tear resistance.

Physical properties

-

Colour

Blue and white.

Weight (minimum)

275 g/m² (27.5 kg/roll).

Dimensions

-

Thickness (minimum)

0.5 mm.

Width (minimum)

2 m.

Roll length (minimum)

50 m.

Recycled content

None – virgin material.

Product Reference

RIW DPM Blue

Side laps

150 mm.

Elongation

To BS EN 12311-1,15% (MD), 20% (MD).

Environmental information

Recycled content

0 %

Third party certifications

  • 14/5156 : Product sheet 2

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