Securit Aluminium Louvre Vent 9 x 3 Inch - Gas Safe Metal Vent

The Securit Aluminium Louvre Vent 9 x 3 Inch is a fixed ventilation louvre designed to fit a standard single brick course opening in a wall, door or duct. Made from strong, weather resistant aluminium, this louvre grille lets air pass freely in both directions while its angled slats shed wind driven rain and keep out larger debris. It is suitable for both interior and exterior use and, unlike plastic vents, this metal vent is rated as suitable for venting gas appliances, making it a reliable choice wherever background ventilation or combustion air is required.

Key Features

• Durable aluminium construction, stronger and more weather resistant than plastic equivalents
• Compact 9 x 3 inch (approximately 229 x 76mm) size, fits a standard single brick course opening
• Free air space of 3400 sq mm, the actual open area that allows air to pass through
• Suitable for interior and exterior installation
• Suitable for venting gas appliances, unlike plastic louvre vents
• Angled slats allow airflow in both directions while shedding driving rain

How to Use / How to Fit

If you are replacing an old airbrick cover or terracotta vent, simply unscrew or unclip the existing cover from its frame and fit this aluminium louvre vent in its place using the same fixing holes. This straight swap takes just a few minutes and instantly refreshes a tired or damaged ventilation cover.

If you are fitting the vent into a brand new opening in a solid wall, first chisel or drill away the mortar to create a clear opening of the correct size. Bed the vent onto fresh mortar and tap it flush with the surrounding brickwork, then point the joint around the edges to match the existing pointing. Always check that the free air space meets the ventilation requirement for the room or floor void before fitting.

Technical Specifications

• Size: 9 x 3 inch, approximately 229 x 76mm
• Free air space: 3400 sq mm
• Material: aluminium
• Suitable for gas appliances: yes
• Use: interior and exterior

FAQs

Can I use this vent for a gas boiler?
Yes. This aluminium louvre vent is suitable for venting gas appliances, so it can be used to provide combustion air or general ventilation for a gas boiler or other gas appliance. A plastic vent is not recommended for this purpose because plastic can distort or degrade near flue heat.

Why choose aluminium over plastic?
Aluminium louvre vents are stronger and more weather resistant than plastic ones and they hold their shape better over time. They are also rated for use near gas appliances, which plastic vents are not.

Do louvre vents leak in the rain?
The angled slats are designed to shed wind driven rain while still letting air pass through, so a properly fitted louvre vent like this one keeps the weather out while maintaining ventilation.

How do I fit this vent?
For a straight swap into an existing frame, remove the old cover and fix the new vent using the same screw holes. For a brand new opening, chisel out the mortar, bed the vent in fresh mortar, tap it flush, then point around the edges to match the surrounding brickwork.