Langley PQ-20 W Paraquartz Liquid Roofing System

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Langley PQ-20 W Paraquartz System is suitable where a skid-inhibiting finish is required for new build or refurbishment projects (where conditions allow, existing systems can be overlaid, avoiding costly strip-ups).

Suitable for all roof decks (timber boarding requires a nailed attachment layer in accordance with BS 8747:2007).

  • Durability: extremely robust, seamless-yet-flexible roof covering with reinforced glass fibre fleece. Permanently elastomeric, UV and slip-resistant finish.
  • Lifespan: A long-term solution with a life expectancy in excess of 30 years.
  • Installation: rapid curing, typically 2 hours/ coat (depending on ambient temperature).
  • Guarantee: carries a 20-year independently insured guarantee for both materials and workmanship.
Platform Compatible Version Certified to
IFC IFC - 1 2.0
Revit Revit 2017 + 1 2.0

  • Properties and values
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Properties and values

IFC
IfcExportAs
IfcCoveringType
IfcExportType
ROOFING
COBie
BOS_General
NBS_Data
Application
Single pack, No on site mixing required
CarrierMembraneFixing
Self-adhesive
CarrierMembraneThickness
0.6 mm
CarrierMembraneType
Paratene bituminous membrane
CuringTime
2 hours/coat
Elongation
500% (un-reinforced)
InsulationFixing
n/a
InsulationThickness
120
InsulationType
Parafoam Ultra PIR Insulation
LiquidAppliedWaterproofCoatingReinforcement
Langley Glass Fibre Embedment Fleece
LiquidAppliedWaterproofCoatingSurfaceTreatment
0.7-1.2 mm Paraquartz granules with clear coat sealer
LiquidAppliedWaterproofCoatingSurfaceTreatmentOptions
n/a
LiquidAppliedWaterproofCoatingType
Paraquartz Top Coat and Paraquartz Base Coat Polyurethane Waterproof Coatings
LiquidAppliedWaterproofingThickness
1.5 mm
OverlayFixing
n/a
OverlayType
n/a
PreparationCarrierMembrane
Langley Primer
PreparationExistingSubstrates
n/a
PreparationHorizontalWork
Langley Primer
PreparationSkirtingsAndVerticalWork
n/a
ShearStrength
98.7 N
SlipResistanceValue
Dry: 0.83, Wet: 0.73
SystemAccessories
n/a
SystemAccessoryOptions
Biocidal wash, Specialist primers, Rooflights, Flashings, Refurbishment outlets, Vents, Edge trims and more
TensileStrength
11.5 N/mm²
ThirdPartyCertification
BBA Certificate 14/5162
Uses
Where a skid-inhibiting finish is required for refurbishment or new build suitable for all roof decks
VapourControlLayer
Paratene self-adhesive bituminous membrane
VapourControlLayerThickness
0.6 mm
Weight
12.090 kg/m² (120 mm insulation thickness)
Pset_CoveringCommon

More information

  • NBS specification data
    PQ-20 W Paraquartz Liquid Roofing System
    PQ-20 W Paraquartz Liquid Roofing System

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