Cembrit Windstopper Extreme

Cembrit Windstopper Extreme

Cembrit Ltd Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

'A' fire rated fibre cement sheathing board.

Jump to:
+44 (0)203 3722300 www.cembrit.co.uk

Application

Suitable for use as a through wall solution or system, sheathing and roofline soffits.

Description

A non-combustible, breathable fire rating tested sheeting board consisting of grey cement and limestone filler reinforced to absorb and release moisture without affecting durability, strength or performance.


Features and benefits:

  • High-density material with high impact resistance.
  • Can be pressure washed.
  • Suitable backer for laminates and for use in composite panels.
  • Fire tested up to 60 or 120 minutes, depending on model.
  • Class A2 fire rating to EN 13501-1.
  • Resistant to rot and fungal growth.
  • Can be left exposed for 6 to 12 months, depending on model.
  • Lightweight 4.5 mm-thick option.

General information

Finish

Smooth surface

Color

Grey

Material

Fibre cement

Homogeneous

Shape

Rectangular

Size

Available in three sizes.

-

Uniclass 2015

Pr_25_71_97_12 Cement-bonded particleboardsPrimary

CAWS

K11/485 Wall sheathing

K11/60 Board

K11/845 Cement-bonded particleboard

K11/890 Board

Specification data - Cement-bonded particleboards Enhanced data

Standards

To BS EN 12467:2004, Class NT D31.

Performance class

To BS EN 634-2.

Reaction to fire classification

To BS EN 13501-1, Class A2-s1, d0.

Thickness

4.5 mm.

Not available with Cembrit Windstopper Basic.

9 mm.

4.5 mm.

Not available with Cembrit Windstopper Basic.

9 mm.

Decorative overlay

Cembrit Windstopper Extreme homogenous coating.

Preservative treatment

Cembrit boards are produced according to a flow-on method.

Product Reference

Cembrit Windstopper Basic

Can be left exposed for 6 months, 60/60 fire rating (one hour).

Cembrit Windstopper Extreme

Can be left exposed for 12 months, 90/90 fire rating (1.5 hours, 9 mm only).

Size (w x l)

1200 x 2400 mm.

1200 x 2700 mm.

1200 x 3000 mm.

Weight

14.1 kg/m².

Environmental information

Contains Red List materials

No

Embodied carbon

Dependent on model.

Consult manufacturer's literature for information.

Digital objects

Platform Compatible Version Certified to
IFC
-

1

2.1
Revit
-

1

2.1
Download now from NBS National BIM Library

Literature

Windstopper Extreme; Fire reisistant /sheathing/partition board

Windstopper Extreme; Fire reisistant /sheathing/partition board

Cembrit building board product and application selection

Cembrit building board product and application selection

Windstopper Extreme - 120 minute fire test

Windstopper Extreme - 120 minute fire test

Third party certifications

BBA Agrément Certificate

BBA Agrément Certificate

21 5885 BBA cert. for Windstopper Extreme 9 mm, unlimited