Langley TA - 20 Bitumen Membrane Warm Roof Waterproofing System

Name: Langley TA - 20 Bitumen Membrane Warm Roof Waterproofing System
Brand: Langley Waterproofing Systems Ltd
SKU: 6Bb77nSyJ3wgbGSiTgkSit

Verified by manufacturer 1 month ago

Langley Waterproofing Systems Ltd

Product certifications:

BBA Agrément Certificate
Certificate type
EPD
Certificate type

An SBS torch applied warm roofing system offering a 20-year independent insurance backed guarantee. Suitable for new build or refurbishment projects.

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BOS

+44 (0)1327 704778 Website

Application

Suitable for flat or sloping roofs.
For new build or refurbishment projects.
Suitable for all roof decks.

Description

The TA-20 Warm system, part of the Langley Parafor range, a warm roofing system offering a 20-year independent insurance-backed guarantee. This warm roof system, is a torch applied SBS elastomeric membrane system for flat or sloping roofs.

Features and benefits:

20-year independent insurance backed guarantee.

BBA certified.

EPD Certification for bitumen membranes

Fire Rating: Broof(t4) BS EN13501-5 compliant build ups are available

Subject to installation, use and maintenance in accordance with BBA Certificate 12/4959, the system can satisfy or contribute to satisfying relevant NHBC requirements under NHBC standards, Chapter 7.1 Flat roofs, terraces 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	- Manufacturer guidance Multiple colour selections available.
Finish	Textured Guidance for specification option: Slip resistant.
Material	Bitumen Guidance for specification option: SBS elastomeric bitumen.
Warranty description	20 year Guidance for specification option: 20 year Independent insurance backed guarantee Manufacturer guidance All Langley roofing systems are supplied with a genuine 20, 25 or 30 year independent insurance backed guarantee, providing long term cover in the event of design failure, poor workmanship, and faulty materials. Offering both system assurance and financial protection to the building owner, the IBG remains valid even if the installing contractor or Langley were to cease trading. Issued directly to the building owner on completion, the guarantee is independently regulated, Crystal Mark accredited by plain English, and also TRUSTMARK approved, supporting access to government funding schemes where an IBG is mandated. Langley’s IBG is included as standard within the overall project price, with no separate insurance premium required.

Uniclass	Ss_30_40_30_72 Reinforced bitumen membrane warm roof covering systemsPrimary
CAWS	J41/10 Reinforced bitumen membrane warm deck roof covering J41/110 Built-up reinforced bitumen membrane warm deck roof covering

Product range	Flat Roofing Systems

Specification data - Reinforced bitumen membrane warm roof covering systems

Classification data
Preparation	-
Horizontal work	Langley SA Primer.
Skirtings and vertical work	Langley SA Primer.
Air and vapour control layer	-
Type	Parevapo S VV, 2.9 mm (3.75 kg/m²).
Attachment	Torch-bonded.
Insulation	-
Type	Parafoam Ultra PIR Insulation (30 kg/m³). Guidance for specification option: Thicknesses available from 30 mm to 250 mm in 10 mm increments. Pararock (160 kg/m³).
Fixing	Langstik SF PU Adhesive.
Waterproof covering	-
First layer	-
Type	Adepar JS VV Underlay, 2.2 mm (2.7 kg/m²).
Attachment	Attached via self-adhesive strips.
Top layer	-
Type	Parafor 30 GS Cap sheet, 4 mm (5 kg/m²). Guidance for specification option: 3 mm at selvedge.
Attachment	Torch-bonded.
Detail work	-
Flashings	Paraflash B3.
Skirtings and upstands	Detailing membranes.
Welted drips	Formed from cap sheet around a former.
System accessories	Not required. Rooflights. Outlets. Trims.
Colour	Cap sheet: Dark grey (as standard).
Weight	Guidance for specification option: Nominally 11.07 kg/m² plus the weight of insulation, Parafoam Ultra (32 kg/m³) or Pararock (160 kg/m³) as standard, thickness to suit required U-value.
Resistance class	Resistance class (to MOAT 31): R4.
Insulation	- Manufacturer guidance Insulation thickness to suit project specific U-value requirements; consult manufacturer for more details and insert requirements.
Overall thickness	- Manufacturer guidance Nominally 9.1 mm plus required insulation thickness.
Fire performance	Broof [t4]. Guidance for specification option: To BS EN 13501-5:2016.

Sustainability data

Contains Red List materials	No
Country of product manufacture	France
Manufacturing plant location	30 Rue Poterie, 41170 Cormenon, France
Material	Bitumen Guidance for specification option: SBS elastomeric bitumen.
Carbon dioxide equivalent
Carbon dioxide equivalent, as defined in BS EN 15804 Certified
Stage Normalized unit (kg CO₂ eq/kg) Declared unit (kg CO₂ eq/m²) Stage:A1–A3 ('Production stage') Normalized unit : Declared unit :7.93
Recyclability	EPD end-of-life scenario assumes 15% material recycling, 45% energy recovery and 40% landfill. No verified recyclability claim is declared in the EPD.
Recycled content As defined in clause 7.8 of BS EN ISO 14021	0 %
Expected Life	50 year