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Description

External roof ventilator for use with flat and low pitched lead covered roofs.

General information
Features

Bird and insect resistant grille. Traditional lead appearance

Material

Lead to BS EN 12588 (weathers to a silver-grey appearance)

Size

ERV Small: 210 x 140 x 160 mm high plus 335 x 260 mm base surround. Free airflow area 6,000 mm², including drain-out slot

ERV Large: 405 x 140 x 160 mm high, plus 530 x 260 mm base surround. Free airflow area 12,000 mm², including drain-out slot

Uniclass 2015
Pr_30_59_29_30 Flat roof ventilatorsPrimary
Specification data - Flat roof ventilators
Product Reference

ERV – Large

ERV – Small

Standard product features

Features:

Bird and insect resistant grille. Traditional lead appearance.

Material:

Lead to BS EN 12588 (weathers to a silver-grey appearance).

Size:

  • ERV Small: 210 x 140 x 160 mm high plus 335 x 260 mm base surround. Free airflow area 6,000 mm², including drain-out slot.
  • ERV Large: 405 x 140 x 160 mm high, plus 530 x 260 mm base surround. Free airflow area 12,000 mm², including drain-out slot.

Literature
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