Cast Iron Air Bricks 9" x 3" 225 x 75mm


Designs and Uses

Cast iron air bricks are used either externally or internally, built into walls (either brick or stone) to fit flush with the wall surface and secured in place with mortar or plaster.

We have 6 designs of air bricks in this size - 9" x 3" (225 x 75mm), a very popular size for air bricks as it is the standard size of an old fashioned British house brick.  The majority of these designs are virtual replicas of designs cast for many generations, possibly dating back to Georgian times. 

We also supply a stunning air brick based on the Georgian slotted pattern which is smaller than the imperial air bricks at 8 1/2" x 2 1/2" (213 x 66mm) named "Windsor", item WIN3. This air brick is suitable for fitting into cavity wall ducting and periscope vents and looks equally good on its own fitted in period properties as well as modern homes and barn conversions.  Because of its narrow size, it is often used in place of imperial sized air bricks where there isn't enough room for mortar between the bricks and the air brick

Which design you choose is very much a matter of taste although there are a number of factors which might help in choosing one design over another.

If the air brick is positioned along a busy pavement then a heavy model such as the Windsor (WIN3) , the Max flow (MAX3) or Regency Scroll (REG3)would be ideal. If air flow is important, again the max flow, as the name suggests is a clear winner. For an authentic period finish may we recommend the Victorian Y pattern (Y3) or for earlier properties, the Regency Scroll or Windsor?

The Square Hole (GRID3) is a utilitarian pattern found in many period properties around the UK.

Often we are asked if insect mesh can be fitted to the back of any of our air bricks. Unfortunately the design of air bricks is such that they are permanently fitted into a wall and therefore any mesh fitted behind will eventually become blocked with dirt, closing off the air flow. There is a solution, the FLY3 is a cast iron air brick which has a removable front allowing the mesh to be fitted with provision for it to be removed at any time for cleaning.

The FLY3, fly screen air brick with removable mesh is ideal to prevent ingress of foreign objects into properties and ducting and is an effective barrier against rodents and insects.

Only one air brick (FLY3) , is suitable for fitting insect mesh, designed by us and cast exclusively for us in England.

Worldwide shipping available on all these items

There are also adjustable cast iron air bricks, known as hit and miss and louvred air bricks available in this size.

ITEM -Win3
Bare Metal

Windsor Air Brick
 213 x 66mm

Quantity:



£55 In Stock
Bare Metal


ITEM -Win3 + Painted Black

Quantity:

 
£65 In Stock
Painted Black

ITEM-GRID3
Bare Metal

Square Hole
Air Brick
225 x 75mm
9" x 3"

Quantity:



£30 In Stock
Bare Metal


ITEM - GRID3 + Painted black

Quantity:

 
£40 In Stock
Painted Black

British Designs and British Castings

All our cast iron products are made in the UK, the 9x3 inch air bricks shown here are made to our specifications in foundries in Yorkshire, Birmingham and Scotland.  Some, the Regency Scroll and Max Flow are individually made by hand using wooden molds and green sand for a heavyweight rustic finish. Others, the Victorian Y design, Slotted and square hole designs are made from metal patterns, four cast at a time for a finer and more precise finish.

All purchases made from The Cast Iron Air Brick Company  support British manufacturing...........

Because all our products are made in UK









Paint or Bare Metal?

Our cast iron products contain iron, nearly 100% iron to be precise and this iron will rust if it isn't kept protected from moisture and air.  Whilst many of our products are supplied painted, we do offer customers the choice to have some of them left bare metal.  It seems strange to leave them bare metal to go rusty but the rust coating on iron acts as a protection against corrosion and ensures the air brick will remain for 100 years or more without any preservation. In fact, many of the ironware we see in our high streets and roads (drain covers and gutters) are unpainted.

We would recommend either painted or bare metal air bricks installed externally in red bare brick walls and painted air bricks for external rendered or painted walls and for any internal use. Our painted air bricks are primed and then painted using a two-part professional epoxy black gloss paint which will need repainting from time to time.





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SPECIFICATIONS - Maximum Air Flow First

Item   Nom.
size
inch
size
mm
vent
Size
 mm
Wt
KG
Air
flow
mm2
Plate
thick
mm
Reverse
Depth
mm
Max3 9x3 228 x 77 17 x 17 1.0 7800 8 30
FLY3 9x3 226 x 78  16 x 16 1.5 5200
(with mesh)
8 50
GRID3 9x3 228x76 10 x 10 0.5 5000 4 25
WIN3    8.5x2.5  213x66  10 x 40  1.0  4500  50 
Y3 9x3 227 x 75 - 0.5 4500 4 30
REG3   9x3 226 x 78  - 0.8  4500  5 50
ALSO AVAILABLE IN THIS SIZE 
HM3  Hit and miss cast iron air bricks
L3  Louvre cast iron air bricks

Customer Illustrations
Royal Crescent,
Bath, England.

Item GRID3
Roehampton House
Restoration

Item GRID3

Reuse of a Georgian building Winners 2012
Bauchamp Design

Interior designer
item Y3
  Linford Building Group.
Installation at
Nyn Park, Hertfordshire.


Item GRID3
Sir Robert McAlpine

Item WIN3
Interserve
South of England,

Item MAX3
 
 


ITEM - Y3
Bare Metal

Victorian Y Pattern
Air brick
225 x 75mm
9" x 3"

Quantity:



£40 In Stock
Bare Metal

ITEM Y3 +
Painted Black

Quantity:
 
£50 In Stock
Painted Black
ITEM - REG3
Painted Black

Regency Scroll
Air Brick
226 x 78mm
9" x 3"

Quantity:


£70 In Stock
Painted Black


ITEM - Max3
Painted Black

Max Flow
Air Brick
228 x 77mm
9" x 3"

Quantity:



£60 In Stock
Painted Black


ITEM - FLY3
Bare Metal

Fly Screen
Air Brick
226 x 78mm
9" x 3"

Quantity:



£85 In stock
Bare Metal Front


ITEM - FLY3 + Painted Black Front

Quantity:
 

£95 In Stock
Painted Black Front

Left - viewed from top to bottom are ....

 FLY3 Bare Metal
GRID3 Bare Metal
Y3 Bare Metal
GRID3 Painted
MAX3

Below Left - WIN3 Close up



Above.....

A close up of the design of the Victorian Y.
Traditionally used throughout the UK since Victorian
times and still made in the UK.





Above....... WIN3 - Windsor metric air brick

Below....... REG3 Regency Scroll cast iron air brick, hand made in Scotland


Below

 A pair of Y3 air bricks at the foundry are awaiting "Fettling"






Below

 Bare Metal Y3 air bricks cleaned and ready for dispatch


 

Cast Iron Louvre Vents Cast Iron Circular or Round vents Cast Iron Square Vents Cast Iron Air Bricks

Cast Iron Floor Vent Cast Iron Floor Grille Hit and Miss