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TA-25 W Flat Roofing System

Verified by manufacturer 4 months ago

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

    BBA Agrément Certificate

    Certificate type

Torch applied, high performance SBS elastomeric membrane warm roof system for flat or sloping roofs.

Jump to:
BOS
+44 (0)1327 704778 Website

Application

  • Suitable for use for refurbishment and new build projects (where conditions allow).
  • Suitable for use on all roof decks.
  • Timber board roofs will require a nailed attachment layer in accordance with BS 8747: 2007 before application.

Description

Torch applied, high performance styrene-butadiene-styrene (SBS) elastomeric membrane warm roof system for flat or sloping roofs.


Features and benefits:

  • Robust.
  • Flexible.
  • Slip resisting granule surface provides durability and puncture resistance for foot traffic.
  • Heavy duty polyester composite metal lined vapour barrier provides a robust, watertight layer.
  • Life expectancy of approximately 40 years.
  • Manufactured in accordance with EN 13501-5: 2005.
  • BBA certified.
  • System accessories include rooflights, flashings, refurbishment outlets, vents, and edge trims (specified separately). Consult manufacturer for further details.


Components:

  • Preparation: Langley Spray-On Primer.
  • Air and vapour control layer: Torch-bonded Parevapo SBS (3.8 kg/m²).
  • Insulation: Parafoam Ultra PIR Insulation (3.84 kg/m²).
  • Waterproof covering, first layer: Adepar JS VV (2.7 kg/m²). Attached via self-adhesive strips.
  • Waterproof covering, top layer: Elastoflex GS (5.92 kg/m²). Torch-bonded.

General information

Color

-

Manufacturer guidance

Multiple colour selections available.

Finish

Textured

Guidance for specification option:

Slip resistant, granular surface.

Material

Bitumen

Guidance for specification option:

SBS elastomeric bitumen.

Warranty description

25 year

Guidance for specification option:

Independently insured guarantee for materials and workmanship (valid when installed by approved contractors).

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

Preparation

-

Horizontal work

Langley Spray-On Primer.

Skirtings and vertical work

Langley Spray-On Primer.

Air and vapour control layer

-

Type

Parevapo SBS (3.8 kg/m²).

Attachment

Torch-bonded.

Insulation

-

Type

Parafoam Ultra PIR Insulation (3.84 kg/m²).

Waterproof covering

-

First layer

-

Type

Adepar JS VV (2.7 kg/m²).

Attachment

Attached via self-adhesive strips.

Top layer

-

Type

Elastoflex GS (5.92 kg/m²).

Attachment

Torch-bonded.

Colour

Guidance for specification option:

Available in several colours, consult manufacturer and insert requirements.

Fire performance

Broof [t4].

Guidance for specification option:

To BS EN 13501-5:2016.

Resistance class

Resistance class (to MOAT 31): R4.

Guidance for specification option:

'Resistance to damage’ rating achieved by Elastoflex GS (the highest level of acceptance).

Weight

16.26 kg/m².

Guidance for specification option:

Based on 120 mm insulation thickness.

Vapour control layer

3 mm.

Insulation

120 mm.

Basecoat

2.2 mm.

Top coat

5 mm.

Overall thickness

130.2 mm.

BIM objects

BOS

NBS BIM Object Standard

This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.

Find out more about the NBS BIM Object Standard.

Platform Compatible Version
Revit

Revit 2017

1

IFC
-

1

Third party certifications

BBA Agrément Certificate

BBA Agrément Certificate

TA-25 BBA

Literature

TA-25 System Data Sheet

TA-25 System Data Sheet

Case studies

Epsom Hospital

Epsom Hospital

Waverley Court

Waverley Court

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