Round Vent and Drainage Grilles
Application

  • For supplying natural ventilation to interior rooms and as an extractor outlet vent grille over or in core drilled duct holes from room, hob, kitchen and bathroom extractors.
  • Can also be used for rebating into wooden floors or into walls to provide combustion air for log burning stoves and larger grilles for drainage grating outside.

Description

Round cast iron vent grilles.

Features and benefits:

  • Available in sizes ranging from 3–12".
  • Helps to provide natural ventilation in buildings.
  • Manufactured in the UK.
  • Can be supplied in bespoke finishes to match existing brickwork.
  • Fire and UV resistant.
  • Fully recyclable.
  • Minimal maintenance required.

Applications:

  • For supplying natural ventilation to interior rooms and as an extractor outlet vent grille over or in core drilled duct holes from room, hob, kitchen and bathroom extractors.
  • Can also be used for rebating into wooden floors or into walls to provide combustion air for log burning stoves and larger grilles for drainage grating outside.

General information

Finish

Painted (black)

Standard.

RAL

Insert RAL code.

Material

Cast iron which has been cast in sand moulds

Uniclass 2015

Pr_70_65_04_03 Air grillesPrimary

CAWS

F30/15 Air bricks in external walling

F30/160 Air bricks in external walling

F30/165 Gratings/ ventilators in internal walling

Q10/312 Footway gratings

Specification data - Air grilles

Product Reference

Round Vent and Drainage Grilles

Type

RO3

3" (75 mm). Slot size: 9 mm. Air flow: 1200 mm². Thickness: 3/8". Weight: 0.2 kg.

RO35

3.5" (88 mm). Slot size: 12 mm. Air flow: 1700 mm². Thickness: 1/2". Weight: 0.4 kg.

RO4

4" (100 mm). Slot size: 12 mm. Air flow: 2500 mm². Thickness: 3/8". Weight: 0.3 kg.

RO45

4.5" (115 mm). Slot size: 14 mm. Air flow: 3500 mm². Thickness: 3/8". Weight: 0.4 kg.

RO5

5" (125 mm). Slot size: 12 mm. Air flow: 4000 mm². Thickness: 3/8". Weight: 0.5 kg.

RO6

6" (150 mm). Slot size: 12 mm. Air flow: 6500 mm². Thickness: 3/8". Weight: 0.75 kg.

RO7

7" (178 mm). Slot size: 12 mm. Air flow: 9000 mm². Thickness: 3/8". Weight: 1 kg.

RO8

8" (197 mm). Slot size: 13 mm. Air flow: 12 000 mm². Thickness: 3/8". Weight: 1.5 kg.

RO9

9" (225 mm). Slot size: 13 mm. Air flow: 14 000 mm². Thickness: 1/2". Weight: 2 kg.

RO12

12" (305 mm). Slot size: 15 mm. Air flow: 25 000 mm². Thickness: 5/8". Weight: 6 kg.

Finish

Painted (black)

Standard.

RAL

Insert RAL code.

Accessories/ Other requirements

Not required

Drill holes

Mesh

Standard product features

Material:

Cast iron which has been cast in sand moulds.

Product Options

Finish:

- Painted (black):

Uses a three-part epoxy primer, followed by two-part epoxy black gloss top coat which is extremely hard wearing.

Literature
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