Langley TA-25 Flat Roofing System

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The object content is configured for use in UK, but it may also be suitable for use in other locations.

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Langley TA-25 System is suitable for new build or refurbishment projects (where conditions allow existing systems to be overlaid, avoiding costly strip-ups).

  • Durability: extremely robust-yet-flexible roof covering with puncture resistance for maintenance traffic. Heavy duty polyester composite metal lined vapour barrier to provide a robust, watertight layer.
  • Resistance: TA-25 membranes are covered by MOAT 31 (Reinforced Homogonous coverings of SBS Elastomeric Bitumen). All Langley elastomeric membranes have been developed in accordance with the European Union of Agrément (UEAtc) and are manufactured and tested in accordance with UEAtc MOAT special directives (Methods of Assessment and Testing).
  • Lifespan: a long-term waterproofing solution with a life expectancy in excess of 40 years.
  • Installation: can only be installed by Langley-approved contractors to ensure that product quality is maintained.
  • Guarantee: the TA-25 System carries a 25-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
Torch applied
DetailWorkAncillaryItems
n/a
DetailWorkCoverStrips
n/a
DetailWorkFlashings
n/a
DetailWorkSkirtingsAndUpstands
n/a
DetailWorkWeltedDrips
n/a
InsulationFixing
n/a
InsulationThickness
120
InsulationType
Parafoam Ultra PIR Insulation
OverlayFixing
n/a
OverlayType
n/a
PreparationExistingSubstrates
n/a
PreparationHorizontalWork
Langley Primer
PreparationSkirtingsAndVerticalWork
n/a
ResistanceClass
R4 to MOAT 31
SurfaceProtection
n/a
SystemAccessories
n/a
SystemAccessoryOptions
Rooflights, Refurbishment outlets, Vents, Lead-free flashings, Edge trims etc
ThirdPartyCertification
BBA Certified
Uses
Refurbishment, new build suitable for all roof decks
VapourControlLayerAttachment
Torch bonded
VapourControlLayerThickness
3 mm
VapourControlLayerType
Parevapo SBS
WaterproofCoveringFirstLayerAttachment
Self-adhesive strips
WaterproofCoveringFirstLayerThickness
2.2 mm
WaterproofCoveringFirstLayerType
Adepar JS VV
WaterproofCoveringIntermediateLayerAttachment
n/a
WaterproofCoveringIntermediateLayerType
n/a
WaterproofCoveringTopLayerAttachment
Torch bonded
WaterproofCoveringTopLayerThickness
5 mm
WaterproofCoveringTopLayerType
Elastoflex GS
Weight
16.26 kg/m²
Pset_CoveringCommon

More information

  • NBS specification data
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