Langley TA - 25 Bitumen Membrane Cold Roof Waterproofing System
Verified by manufacturer 3 months ago
BBA Agrément Certificate
Certificate type
An SBS torch applied cold roofing system offering a 25-year independent insurance backed guarantee. Suitable for new build or refurbishment projects.
Application
- Suitable for flat or sloping roofs.
- For new build or refurbishment projects.
- Suitable for all roof decks.
Description
This cold roof system, is a torch applied SBS elastomeric membrane system for flat or sloping roofs.
Features and benefits:
- 25-year independent insurance backed guarantee.
- TA-25 C membranes are covered by MOAT 31 (Reinforced Homogenous coverings of SBS Elastomeric Bitumen).
- The cap sheet is available in dark grey. For delineating walkways, the cap sheet is available in bauxite red.
- Elastoflex GS achieves a ‘resistance to damage’ rating R4 (the highest level of acceptance) under MOAT 31.
- EPD Certification for bitumen membranes.
- In accordance with guidance outlined within NHBC technical requirements for flat roofs and balconies.
- 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).
Supported by the full Langley package that includes: surveys, condition reports and proposals, specifications, site monitoring and reporting, technical and design advice, guarantee inspections, all at no additional cost.
General information
Color | Grey |
Material | Bitumen |
Warranty description | 25 year Guidance for specification option: Carries a 25 year independently insured guarantee Manufacturer guidanceLangley roofing systems are supplied with a genuine 25 year independent insurance‑backed guarantee (IBG), providing both system assurance and financial protection for the building owner. The IBG covers the installed system in the event of a design failure, poor workmanship, a fault in the system or faulty materials, and remains valid even if the installing contractor or Langley were to cease trading. Issued directly to the building owner on completion, it acts as an additional, independent layer of financial protection and supports access to government funding schemes where an IBG is required.
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Uniclass | |
CAWS | J41/12 Reinforced bitumen membrane cold deck roof covering J41/130 Built-up reinforced bitumen membrane cold deck roof covering |
Specification data - Reinforced bitumen membrane cold roof covering systems
Classification data | |
System performance | Fire performance: Broof(t4) BS EN 13501-5:2016. |
Preparation | |
Horizontal work | Langley SA Primer. |
Skirtings and vertical work | Langley SA Primer. |
Waterproof covering | |
First layer | |
Type | Paradiene S VV underlay. |
Attachment | Torch applied. |
Top layer | |
Type | Elastoflex GS cap sheet. |
Attachment | Torch applied. |
Detail work | |
Flashings | Paraflash B3. |
Skirtings and upstands | Detailing membranes. |
Welted drips | Formed from cap sheet around a former. Manufacturer guidanceWelted drips to be formed from the cap sheet; consult manufacturer for more details an insert requirements. |
System accessories | Not required. Rooflights. Outlets. Trims. |
Colour | Cap sheet: Dark grey (as standard). |
Sustainability data
Contains Red List materials | No |
Country of product manufacture | France |
Manufacturing plant location | |
Material | Bitumen |
Product certifications
BBA Agrément Certificate
TA-25 BBA
Literature
Langley TA - 25 Bitumen Membrane Cold Roof Waterproofing System - Product sheet
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