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Evolight
Application

Evolight torch-on can be used as the cap sheet onto suitable pour and roll, torch-on or self-adhesive underlays as part of a built-up system or as refurbishment overlay to existing asphalt or selected compatible surfaced membranes.

Description

A range of high performance polyester based torch-on membranes manufactured using Reoxthene, a revolutionary patented technology. Reoxthene membranes offer increased bond strength despite requiring less heat activation than conventional membranes, resulting in easier and quicker installation. The underside of Evolight and Mineral Evolight is protected by Polyflam, a special polyethylene film which melts upon torching. In the mineral version, the top surface is protected by a uniform layer of slate chippings and has a lateral selvedge for overlapping making application fast and secure.

Evolight torch-on membranes provide high performance and reliable flat roof waterproofing, combining the qualities of exceptional performance with excellent handling characteristics. The membranes exhibit excellent dimensional and mechanical stability making them suitable as part of a built-up system, or as a refurbishment overlay to existing asphalt or selected surface bitumen membranes.

Features

  • Reduced weight (up to 40% compared to conventional products).
  • Reduced heat activation.
  • Increased bond strength.
  • Low temperature flexibility.
  • Easy to handle and apply.
  • 15 year product warranty available.

Application:

Evolight torch-on can be used as the cap sheet onto suitable pour and roll, torch-on or self-adhesive underlays as part of a built-up system or as refurbishment overlay to existing asphalt or selected compatible surfaced membranes.

General information
Finish

Evolight Mineral: Slate upper face and Polyflam film lower face

Evolight Plain: Polyflam film both lower face

Features

Reduced weight (up to 40% compared to conventional products)

Reduced heat activation

Increased bond strength

Low temperature flexibility

Easy to handle and apply

15 year product warranty available

Material

Evolight Mineral: Non-woven polyester base coated with Reoxthene modified bitumen

Evolight Plain: Non-woven polyester base coated with APP modified bitumen

Uniclass 2015
Pr_25_57_51_66 Polymeric membranesPrimary
CAWS

J41/10 Built-up reinforced bitumen membrane warm deck roof covering

J41/110 Built-up reinforced bitumen membrane warm deck roof covering

J41/12 Built-up reinforced bitumen membrane cold deck roof covering

J41/120 Built-up reinforced bitumen membrane inverted roof covering

J41/130 Built-up reinforced bitumen membrane cold deck roof covering

J41/405 Single layer reinforced bitumen waterproof covering

Specification data - Polymeric membranes
Product Reference

Evolight Mineral

4.5 mm thickness.

Evolight Plain

4 mm thickness.

Colour

Not applicable

For Evolight Plain.

Black

Grey

Tweed

Standard product features

Material:

  • Evolight Mineral: Non-woven polyester base coated with Reoxthene modified bitumen.
  • Evolight Plain: Non-woven polyester base coated with APP modified bitumen.

Finish:

  • Evolight Mineral: Slate upper face and Polyflam film lower face.
  • Evolight Plain: Polyflam film both lower face.

Roll size:

1 x 10 m (8 m also available in Grey).

Technical properties:

  • Tensile strength (to BS EN 12311): MD: 700 N/50mm; TD: 500 N/50mm.
  • Elongation (to BS EN 12311): 40%.
  • Low temperature flex (to BS EN 1109): -10°C.

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