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Max6 Air Brick

£80.00£90.00

9 x 6 Max Flow Air Brick with choice of finishes, bare as standard or painted black ( additional £10).

The 18,000mm2 of free air flow from a 225x150mm sized air brick makes this our most efficient vent.  A very versatile double sized air brick very common in earlier Victorian and Georgian period properties, mansions, halls and stately homes as well as period industrial and commercial permises where larger than average ventilation is required, especially suited to basements and areas suffering from damp.

These air bricks have been used in a number of National Trust properties and also by Historic Environment Scotland. The MAX6 has also been used at All Souls College, Oxford as well as in the Horniman Museum and Albert Hall Mansions, both in London and at Lillywhite House, home of Tottenham Hotspur Football Club

The MAX6 is a 9 x 6 inch large square hole air brick with choice of finishes, bare or painted black. Use bare metal to allow to rust for a natural finish commensurate with red brick buildings or for customers to paint to their own paint scheme or purchase painted black for use in non-red brick properties or rendered properties.

For company 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 for this.

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 FLY6 cast iron air brick with removable front and integral mesh may be a more suitable alternative or use in conjunction with a duct and attach the mesh to an internal grille (see below) . 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.

Although not a perfect fit, duct tape can be used to adjoin this imperial sized air brick to  a metric double sized plastic cavity wall duct. This item known as a Cavity Horizontal Extension (CAVHEXT6) can be used to transfer air through the wall to an internal grille such as the Heritage 9×6 (item HER96) or Daisy Vent (DAY107).  Mesh cannot be fitted in this air brick but is more suited to be installed behind the internal grille (and it can be regularly removed for cleaning) were it serves to prevent bugs entering the rooms and reduces draughts, albeit reducing the free air by 1/3rd.

When using the MAX6 please note the free area of 18,000mm2 is only possible when the MAX6 is used without any accessories. Combining it with an internal grille which has a lower free area will reduce the free area to the duct or internal grille with the lowest free area.

Product specifications can be found in the table below.

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