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Divoroll Elite 200 2S - Vapour Permeable Underlay

Verified by manufacturer 10 days ago

BMI Group UK Ltd

Four layer vapour permeable membrane with reinforced grid.

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0370 560 1000 Website

Application

Roofing underlay for use on pitched roofs or walls.

Description

A vapour permeable underlay with integral glue strips, independently tested by the BRE for use in all of the UK wind uplift zones in accordance with BS 5534.


Features and benefits:

  • Strong and durable membrane with a reinforced grid.
  • Provides a wind tight system for warm and hybrid roofs for energy efficiency.
  • Integrated adhesive strips eliminate the need for an additional batten or tiling batten over the horizontal lap of the underlay.

General information

Color

Grey

Black

Material

Polypropylene

Shape

Other

Guidance for specification option:

Roll.

Length

50000 mm

Width

1500 mm

Height

1.15 mm

Uniclass

Pr_25_57_10_94 Vapour-permeable sheetsPrimary

CAWS

H67/24 Vapour-permeable underlay

H65/22 Vapour-permeable underlay

H64/22 Vapour-permeable underlay

H61/22 Vapour-permeable underlay

H60/22 Vapour-permeable underlay

P10/65 Breather membrane

H91/305 Vapour-permeable underlay

H31/55 Breather membrane

H30/50 Breather membrane

H21/20 Breather membrane

H31/280 Breather membrane

H30/350 Breather membrane

H22/130 Breather membrane

H21/130 Breather membrane

H67/290 Vapour-permeable underlay

P10/320 Breather membrane

H65/235 Vapour-permeable underlay

H64/307 Vapour-permeable underlay

H62/235 Vapour-permeable underlay

H61/235 Vapour-permeable underlay

H60/235 Vapour-permeable underlay

Specification data - Vapour-permeable sheets

Classification data

Standard

To BS EN 13859-1.

Class (minimum)

W1.

Third-party certification

British Board of Agrément (BBA) certificate.

Guidance for specification option:

Cert No. 20/5734 (PS1 and 2).

Performance criteria

-

Fire performance

Reaction to fire: To BS EN 13501-1, Class E or better.

Tensile properties

Tensile strength to BS EN 12311-1; 500 N/ 50 mm (MD); 480 N/ 50 mm (CD).

Manufacturer guidance

30 N/5 cm.

Environmental performance requirements

-

Environmental rating

Tested by the BRE in accordance with BS 5534.

Material

Polypropylene.

Form

Spun-bonded.

Weight (minimum)

195 g·m‾².

Thickness (minimum)

1.15 mm.

Roll length

50 m.

Roll width

1.5 m.

Roll weight

15.3 kg.

Colour

Grey (upper layer); black (lower layer).

Sustainability data

Country of product manufacture

United Kingdom

Material

Polypropylene