NBS Source
I'm a manufacturer
Compare variants

Single Ply Roofing Membrane - KÖSTER TPO

Verified by manufacturer 5 months ago

Koster TPO 2 mm Reinforced Membrane

Koster Aquatecnic Ltd Variant:
Third party certifications:
  • EPD

    EPD

    Certificate type

  • ISO 9001 Quality Management

    Certificate type

Thermoplastic polyolefin (TPO) single-ply roofing membrane.

Jump to:
BOS
+44 (0)1387 270252 Website

Application

The membranes are suitable for direct exposure to weathering and can be used to waterproof unventilated and ventilated flat roofs, pitched roofs, green roofs, terraces, balconies, roof gardens, as well as for the waterproofing of underground garages and lining of tanks.

  • KÖSTER TPO 1.5 – Self-adhesive membrane for full surface, instant adhesion.
  • KÖSTER TPO 2.0 – Reinforced membrane for mechanical fix systems.
  • KÖSTER TPO 2.0 F – Fleecebacked membrane for fully adhered and green roof systems, also overlay.

Description

The KÖSTER range of TPO single-ply roofing membranes can be used on a wide variety of projects including warm and cold roofs, all forms of green roofs, blue roofs and even water containing tanks.

They offer excellent application characteristics, flexibility, and weldability and are formulated for easy and uncomplicated jointing of the seams due to a wide welding temperature window. 

Overlap joints require no chemical cleaning prior to welding.


Features and benefits:

  • Does not contaminate groundwater.
  • Completely UV-resistant.
  • Resistant to root and rhizome penetration.
  • Does not contain polyvinyl chloride (PVC).
  • Direct application to EPS insulation is possible.
  • Low maintenance.
  • Rot-proof.
  • Compatible with bitumen and polystyrene.
  • Acid- and kerosene-resistant.
  • Resistant against microorganisms and rodent attacks.
  • Available in light grey (RAL 9018) or slate grey (RAL 7015) unless stated otherwise; customizable colours are also available (subject to minimum order quantity).
  • Fully recyclable and safe for health, water, soil and plants.
  • Free from softeners and chlorine.
  • Roll length: 20 m.


For further information or design assistance, please contact Technical@kosteruk.com and we will be happy to assist.

General information

Color

Grey

Other

Finish

Matt

Material

Flexible polyolefin (FPO)

Thermoplastic elastomer (TPE)

Shape

Rectangle

Length

20000 mm

Width

Bespoke

Height

2 mm

Warranty description

20 year

Guidance for specification option:

The material has a manufacturer’s 20-year guarantee. 


There is also a 25-year insurance-backed guarantee available upon request.

Uniclass

Pr_25_57_51_66 Polymeric membranesPrimary

CAWS

Q37/130 Extensive green roof

Q37/110 Intensive green roof

J42/130 Cold deck roof covering

J42/120 Inverted roof covering

J42/110 Warm deck roof covering

J42/400 Waterproof membrane

J42/10 Warm deck roof covering

Product range

Roofing Systems

Specification data - Polymeric membranes

Material

Thermoplastic polyolefin (TPO).

Integral backing fleece

Not applicable.

Standard

CE marked to EN 13956 0761-CPR-0422.

Performance characteristics

Manufacturer's standard.

Guidance for specification option:

See additional properties for specific details.

Third-party certification

Manufacturer's standard.

Guidance for specification option:

  • Broof(t4) fire certification to multiple roof build-ups.
  • Environmental product Declaration by Institut Bauen und Umwelt e.V.
  • Report on examining the strength of the roots of Sheets and coatings for green roofs according to the FLL procedure.
  • The Fish Test (A14-02548) by BMG in Zurich.
  • Official Test Report according to 5278/015/14 DIN EN 13967 MPA Braunschweig.
  • Official Test Report according to 1200/057/15 DIN EN 13956 MPA Braunschweig.

Width (minimum)

250 mm.

525 mm.

1050 mm.

1500 mm.

Manufacturer guidance

Roll widths.

Thickness (minimum)

2 mm.

Colour

Light grey (RAL 9018).

Slate grey (RAL 7018).

Other.

Accessories

None.

KÖSTER laminate metal sheet.

Guidance for specification option:

  • 1.4 mm thick.
  • Colour: light grey.
  • Size: 2 x 1 m.
  • For forming parapet, gutter and drip details.

KÖSTER parapet drainage outlets.

KÖSTER pre-formed external corners.

KÖSTER pre-formed internal corners.

KÖSTER Contact Adhesive.

Guidance for specification option:

For adhering un-backed membranes to a substrate.

KÖSTER roof outlets.

KÖSTER self-adhesive vapour barrier.

Guidance for specification option:

  • 0.3 mm thick.
  • Size: 50 x 1.5 m.
  • Fire class B2 (DIN 18234), fibre mesh reinforced aluminium vapour barrier.
  • Sd value: ≥ 1500 m.
  • Calorific value: < 10.500 kJ/m².

KÖSTER top hats.

Guidance for specification option:

  • For cable or pipe penetrations.

KÖSTER tube washers and fixing screws.

Guidance for specification option:

  • For mechanical fixing.

KÖSTER unreinforced TPO membrane.

Guidance for specification option:

  • 525 mm wide.
  • Code: RT 820 U.
  • For detailing work.

KÖSTER vents.

KÖSTER walkway mat.

Guidance for specification option:

  • Walkway mat TPO/FPO (PE) and ECB.
  • 4 mm thick.
  • Colour: Light grey.
  • Size: 785 x 580 mm.
  • For non-slip maintenance walkways.
  • Slip resistance: R10.
  • Displacement space: V10.

Type

RT 820

Guidance for specification option:

KÖSTER TPO Single Ply Roofing Membrane:

  • TPO membrane based on a mixture of polyethylene (PE) and functional additives and have a centrally embedded glass fleece reinforcement.
  • Mechanically fastened to seal roofs with direct weathering and are used under load (e.g. gravel, green roofs).

Mass per unit area

1930 g/m² in accordance with DIN EN 1849-2.

Watertightness

10 kPa/24h watertight, in accordance with DIN EN 1928 (Method B).

ExposureClass

Exposure to liquid chemicals, including water, in accordance with DIN EN 1847: Passed (Method B). Exposure to bitumen, in accordance with DIN EN 1548: Passed.

Guidance for specification option:

Exposure to fire: See Reaction to fire.

Reaction to fire

Exposure to external fire, in accordance with DIN CEN/TS 1187; DIN 4102-7 and DIN EN 13501-5: Broof (t4).

Guidance for specification option:

Class E.

PhysicalPropertiesWeatheringResistance

Resistance to hail, in accordance with DIN EN 13583: Rigid substrate: ≥25 m/s. Soft substrate: ≥40 m/s.

Resistance

Manufacturer's standard.

Guidance for specification option:

  • Peel resistance of the overlap, in accordance with DIN EN 12316-2: Type of failure: 100% C, no failure in the overlap.
  • Shear resistance of the overlap, in accordance with DIN EN 12317-2: Failure beyond the overlap.
  • Water vapour diffusion resistance, in accordance with DIN EN 1931: µ: 85 000.
  • Resistance to shock loads, in accordance with DIN EN 12691: ≥750 mm (Method A). ≥1250 mm (Method B). Fleece-backed: ≥700 mm (Method A) and ≥1500 mm (Method B).
  • Resistance to static loading, in accordance with DIN EN 12730: 20 kg (Methods A and B).
  • Tear continuation resistance, in accordance with DIN EN 12310-2: ≥200 N. Fleece-backed: ≥350 N.
  • Tear resistance (nail shank), in accordance with DIN EN 12310-1: ≥500 N.
  • Ozone resistance, in accordance with DIN EN 1844: Passed.

TensileStrength

≥7 N/mm² (Method B), in accordance with DIN EN 12311-2.

Guidance for specification option:

Elongation at break: ≥500% (Method B). Fleece-backed: ≥50% (Method A).

Flexibility at low temperature

≤-50°C, folding at low temperatures, in accordance with DIN EN 995-5.

Dimensional stability:

≤-0.2%, in accordance with DIN EN 1107-2.

UV resistance

UV stable. Behaviour under UV irradiation, elevated temperatures, and water, in accordance with DIN EN 1297 (1000 h): Passed: Level 0.

Sustainability data

Contains Red List materials

No

Country of material origin

Germany

Country of product manufacture

Germany

Recyclability

100%

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

5 %

Guidance for specification option:

Each roll has 5% recycled TPO from manufacturing offcuts.

Third party certifications

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
IFC
-

4

Revit
-

4

Third party certifications

EPD

Koster TPO Roofing Membrane Environmental Product Declaration

ISO 9001 Quality Management

ISO 9001 Quality Management

Koster Bauchemie AG - ISO 9001 Certificate

Literature

Koster Waterproofing Systems: The Green Pages of Waterproofing and Construction Chemicals

Koster Waterproofing Systems: The Green Pages of Waterproofing and Construction Chemicals

Koster Single Ply Roofing Membranes

Koster Single Ply Roofing Membranes

Koster TPO Single ply membrane accessories range

Koster TPO Single ply membrane accessories range

Koster TPO Membrane for use in Drinking water applications

Koster TPO Membrane for use in Drinking water applications

Installation Instructions for the Koster TPO Single Ply Membrane

Installation Instructions for the Koster TPO Single Ply Membrane

Koster TPO Pro product brochure

Koster TPO Pro product brochure

Koster Waterproofing Systems Company Brochure

Koster Waterproofing Systems Company Brochure

Koster TPO Maintenance Walkway Membrane

Koster TPO Maintenance Walkway Membrane

Koster Adjustable Pedestal Supports Brochure

Koster Adjustable Pedestal Supports Brochure

Koster Maintenance Walkway Mat TDS

Koster Maintenance Walkway Mat TDS

Koster Maintenance Walkway Membrane TDS

Koster Maintenance Walkway Membrane TDS

Case studies

Koster TPO Single Ply membrane - Overlay Project.

Koster TPO Single Ply membrane - Overlay Project.

Flat roof overlay at historic lighthouse.  Koster TPO Membrane.

Flat roof overlay at historic lighthouse. Koster TPO Membrane.

Museum of the Home, London. Koster TPO Single Ply Membrane.

Museum of the Home, London. Koster TPO Single Ply Membrane.

Single Ply Warm Roof Waterproofing on Residential block of flats.

Single Ply Warm Roof Waterproofing on Residential block of flats.

Koster Green Roof Waterproofing - Koster TPO Membrane

Koster Green Roof Waterproofing - Koster TPO Membrane