Langley PQ-20 C Paraquartz Liquid Roofing System

Langley PQ-20 C Paraquartz Liquid Roofing System

Langley Waterproofing Systems Ltd Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

The Langley PQ-20 C Paraquartz System (cold roof) is a cold-applied liquid waterproofing system. Paraquartz is a quick cure single-pack, moisture-triggered polyurethane with a skid-inhibiting surface.

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Application

Suitable for use in flat roofs, walkways and balcony areas where a skid-inhibiting finish is required for refurbishment or new build projects (where conditions allow). Can be used on all roof deck types and most substrates, including bituminous felt (BUR), mastic asphalt and single-ply roofs.

System accessories include biocidal wash, specialist primers, rooflights, flashings, refurbishment outlets, vents, and edge trims (specified separately). Consult manufacturer for further details.

Description

A high-performance, cold roof, cold-applied liquid waterproofing roof covering system for refurbishment projects, with a skid resistant finish.

Features and benefits:

  • Robust.
  • Seamless and flexible.
  • Includes reinforcement with a glass fibre fleece.
  • Permanently elastomeric.
  • UV resistant.
  • Slip resistant finish
  • Life expectancy of approximately 30-years.
  • Moisture-triggered curing.
  • Quick and easy to install, with no on-site mixing required.
  • Manufactured in accordance with BS 476: Part 3: 2004, and EN 13501-5: 2006.
  • BBA certified.
  • Comes with a 20-year independently insured guarantee for materials and workmanship, which may be extended to a 25-year guarantee with an additional top coat (only valid when installed by approved contractors).

Components:

  • Preparation: Paracoat Primer.
  • Liquid applied waterproof coating: Paraquartz Top Coat (0.75 kg/m²) and Paraquartz Base Coat (1 kg/m²) polyurethane waterproof coatings.
  • Waterproof coating reinforcement: Langley Glass Fibre Embedment Fleece (0.225 kg/m²).
  • Coating surface treatment: 0.7-1.2 mm Paraquartz granules (5 kg/m²) with clear coat sealer (0.75 kg/m²).

Application:

Suitable for use in flat roofs, walkways and balcony areas where a skid-inhibiting finish is required for refurbishment or new build projects (where conditions allow). Can be used on all roof deck types and most substrates, including bituminous felt (BUR), mastic asphalt and single-ply roofs.

System accessories include biocidal wash, specialist primers, rooflights, flashings, refurbishment outlets, vents, and edge trims (specified separately). Consult manufacturer for further details.

General information

Color

Dark grey

Features

Durable, flexible, UV resistant, Slip resistant finish, Reinforced construction, Permanently elastomeric, Fast-curing, Suitable for most substrates

Material

Polyurethane

WarrantyDescription

20 year independantly insured guarantee for both materials and workmanship, may be extended to 25 year guarantee with an additional top coat, only valid when installed by approved contractors

Uniclass 2015

Ss_30_40_30_40 Liquid-applied cold roof covering systemsPrimary

CAWS

J31/110 Cold deck roof coating

J31/5 Cold deck roof coating

Product range

Liquid Roofing Systems

Specification data - Liquid-applied cold roof covering systems

Product Reference

PQ-20 C Paraquartz Liquid Roofing System

Standard product features

Material:

Polyurethane.

Colour:

Dark grey.

Thickness:

  • Paraquartz granules: 0.7–1.2 mm.
  • Top and base coat: 1.5 mm.
  • Clear coat sealer: 1 mm.
  • Overall: 3.5 mm (approximately).

Weight:

7.725 kg/m².

Technical characteristics:

  • Fire performance: EXT. F.AB, Broof [t4].
  • Curing time: 2 hours/ coat.
  • Elongation: 500% (un-reinforced).
  • Shear strength: 98.7 N.
  • Slip resistance: Dry: 0.83; wet: 0.73.
  • Tensile strength: 11.5 N/mm².

Digital objects

Platform Compatible Version Certified to
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Third party certifications

BBA Agrément Certificate

BBA Agrément Certificate

Certificate: 14/5162

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