NBS Source
Langley PDA-20 C Paracoat Duo

Application

  • For flat roofs, walkways and balcony areas.
  • Suitable for projects where a flame-free application and slip-inhibiting finish is required and existing systems are to be overlaid.
  • Suitable for application to most common deck types and waterproofing, including bituminous felt, mastic asphalt and single-ply.

Description

The PDA-20 C (cold roof) system is part of the Langley Paracoat range of cold applied liquid waterproofing systems. Paracoat Duo is an advanced, single pack, high performance, moisture triggered polyurethane, quick curing, waterproofing system.


Features and benefits:

  • Robust, seamless yet flexible roof covering.
  • Reinforced with glass fibre fleece, permanently elastomeric and UV resistant.
  • Suitable for ‘zero’ falls application.
  • Long-term solution, life expectancy in excess of 30 years. 
  • BBA certified.
  • Meets NHBC Technical Standards Chapter 7.1 for roofs and balconies.
  • Heat and flame-free application.
  • User friendly, quick and easy to install; single pack, no ‘on-site’ mixing required.
  • Rapid curing, typically two hours per coat (depending on ambient temperature).
  • Full range of supporting products that includes specialist primers and biocidal wash.


Components:

  • Langley walkway sealant.
  • Langley quartz chips.
  • Paracoat Duo topcoat (RAL 7015 dark grey).
  • Langley embedment fleece.
  • Paracoat Duo basecoat (red).
  • Appropriate Paracoat primer.

General information

Color

Grey

Finish

Slip-inhibiting

Material

Polyurethane

WarrantyDescription

20 year

Carries a 20 year independently insured guarantee covering design, materials, workmanship and consequential loss.

Uniclass

Ss_30_40_30_40 Liquid-applied cold roof covering systemsPrimary

CAWS

J31/110 Cold deck roof coating

J31/5 Cold deck roof coating

Specification data - Liquid-applied cold roof covering systems Enhanced data

System performance

Fire performance: Broof(t4) to BS EN 13501-5:2016.

Preparation

-

Horizontal work

Paracoat primer.

Primer subject to existing build-up or deck type. Consult manufacturer.

Skirtings and vertical work

Paracoat primer.

Primer subject to existing build-up or deck type. Consult manufacturer.

Liquid-applied waterproofing

-

Type

Paracoat Duo basecoat and Paracoat Duo topcoat.

Reinforcement

Langley GFM embedment fleece.

Surface protection

Langley quartz chippings and walkway sealant.

Colour

Top coat: RAL 7015 dark grey.

Tensile strength (minimum)

11.5 N/mm²

Thickness

Overall system thickness 2500 microns.

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