Type ERV

Application

To provide ventilation within flat and low pitched roofs.

Suitable for new and existing work application.

Intended for use on lead covered, felted or similarly decked roofs.

Description

External ventilator designed to permit the roof void to breathe and prevent condensation occurring. When positioned on a plinth or raised surface to suit the application and location, the product can provide a means of exhausting moist air out of the structure.


Features and Benefits:

  • British Standard lead to BS EN 12588:2006.
  • Natural lead finish.
  • Integral baffle and drain-out slot.
  • Two sizes/ air throughput ratings are available.

General information

Color

Grey

Weathers to a silver grey.

Material

Lead

 To BS EN 12588: 2006.

Size

Large

405 x 140 x 160 mm, providing 12000 mm².

Small

210 x 140 x 160 mm, providing 6000 mm².

Uniclass 2015

Pr_30_59_29_30 Flat roof ventilatorsPrimary

CAWS

J41/485 Roof ventilators

J41/80 Roof ventilators

Specification data - Flat roof ventilators Enhanced data

Material

Lead.

To BS EN 12588:2006.

Colour

Grey.

Weathers to a silver grey.

Termination

Insect mesh.

Integral insect grille and drain-out aperture.

Product Reference

Type ERV

Integral accessories

Insect grille.

Drain-out aperture.

Literature

Ventilation Product Guide

Ventilation Product Guide

Protecting the Building Envelope Volume 28 (cavity tray, damp proofing, ventilation and cavity closers)

Protecting the Building Envelope Volume 28 (cavity tray, damp proofing, ventilation and cavity closers)

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