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Proteus Low-K Water Reducing Layer

Verified by manufacturer 24 days ago

Proteus Waterproofing Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

Water flow reducing layer.

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Application

Loose lay over inverted insulation.

Can be used in an Inverted Roofing system in conjunction with Proteus Pro-Therm XPS / EPS and/or Proteus Upstand Board and gives improved U-values, without the need for an excessive thickness of insulation.

Description

Proteus Pro-Therm Low K is a water flow reducing layer, for use in an Inverted or Protected Membrane Roof. Conforms to CEN 1506946.


Features and benefits:

  • Improves the performance of inverted insulation, for any required U-value.
  • Waterproof.
  • Breathable.
  • Easy to handle.
  • Lightweight.
  • High water vapour permeability.
  • Strong micro porous polypropylene.
  • Recommended for use with Proteus Pro-Therm XPS Plus, Proteus Pro-Therm EPS Plus Premium & Proteus Pro-Therm Inverted VIP.
  • Resists attack by mould and fungus growth, and will not encourage insect attack.
  • UV–resistant and can be safely exposed on site for a period not exceeding four months.

General information

Color

White

Finish

Micro-textured

Material

Polypropylene

Shape

Rectangle

Length

100000 mm

Width

3000 mm

Height

0.17 mm

Guidance for specification option:

Thickness.

Warranty description

Other

Uniclass

Pr_25_57_65_60 Plastics sheetsPrimary

CAWS

Q37/335 Separation layer

J31/390 Water flow-reducing layer

J41/390 Water flow-reducing layer

Specification data - Plastics sheets

Material

Polypropylene.

Purpose

Water reducing layer.

Physical properties

-

Weight (minimum)

0.06 kg/m².

Dimensions

-

Thickness (minimum)

0.17 mm.

Width (minimum)

3 m.

Roll length (minimum)

100 m.

Water vapour transmission

0.01 Sd.

Fitting

Unroll across the direction of the slope/ fall.

Overlap

Minimum 300 mm, with the overlap covering the first sheet in the direction of fall.

Details

Use separate pieces at all vertical details and penetrations, at all times achieving 300 mm minimum overlap, and fit flush with top of finishes. Star cut the membrane at outlet positions and turn down into the insulation board.

Sustainability data

Contains Red List materials

No

Country of material origin

Europe

Country of product manufacture

Europe

Recyclability

Alongside waterproofing membrane, product can be disposed as mixed landfill waste or used in waste-to-energy incineration at its end-of-life stage.

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

0 %

Third party certifications

BBA Agrément Certificate

BBA Agrément Certificate

BBA - Proteus Hot Melt® - Product Sheet 1

Literature

Product Data Sheet - Proteus Pro-Therm Low-K Water Reducing Layer

Product Data Sheet - Proteus Pro-Therm Low-K Water Reducing Layer

Case studies

Case Study - Proteus Cold Melt® & Proteus Pro-Living® - Cygnet Hospital

Case Study - Proteus Cold Melt® & Proteus Pro-Living® - Cygnet Hospital

Case Study - Proteus Cold Melt® & Proteus Pro-Living® - KBS Builders Ltd, Greenwich

Case Study - Proteus Cold Melt® & Proteus Pro-Living® - KBS Builders Ltd, Greenwich

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