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L3 Air Brick


9 x 3 Louvre Air Brick with choice of finishes, bare as standard or painted black . Viewed head on, from the front, the slots are barely visible making it ideal to reduce back draught from prevailing winds.

NEW – Galvanised finish – choose bare metal and add that you want them supplied galavanised in the additional comments box and follow up with an email. There is no additional cost for this but we are only able to supply 9×3 louvres in this finish – no other air bricks or products are available with a galvanised finis.

Choose a bare metal finish to allow to rust for “industrial look” or installation in red brick properties where the rust wont stain the render or bricks, for light bricks and coloured render choose painted black finish. Customers can also prime and paint bare metal air bricks to their own colours with oil or epoxy paints.

For larger orders we can supply air bricks in any RAL colour, professionally primed with 3 part epoxy 2 part gloss or matt top coat at an additional cost of £200+vat – please email item number, quantity and RAL number for a proforma cost for this.

This imperial air brick can be used with the METIMP aluminium sleeve and/or duct tape to use with the metric plastic Rytons ducting for cavity wall sleeves and periscope duct which are available separately on this website.

It isn’t possible to install flymesh at the back of this air brick as the mesh will either become dislodged or will block without the ability to clean it. If flies, wasps and bugs are gaining entrance to the property via the vents and are a nuisance the FLY3 cast iron air brick with removable front and integral mesh may be a more suitable alternative. Please note mesh cannot legally be used (UK – current GAS Safe and HETAS regulations apply)  vents where the vents are required to feed a combustion appliance or the room where there is a combustion appliance.

This air brick is supplied to numerous customers for use in a wide variety of situations including HVAC terminal vent grilles, background vent for rooms, under floor ventilation and public building ventilation. It has been supplied to the Lawton Company in New Hampshire, USA and more commonly for UK installations at Hackney Wick train station, Ulster University and Duchess of Bedfords Walk, London

Product specifications can be found in the table below.