Cast Iron -
"Under Front Door Step"
3" Slotted Vent Grille

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This 36" under front door step slotted cast iron vent grille is 3" high (75mm) which is the height of a standard UK house brick and is supplied painted black.

Commonly found under the front door to provide ventilation under the hallway, these grilles in many homes today are often missing or corroded beyond repair.

We supply this grille 3" high in 36" lengths but can reduce the length to your requirements. Please see below for cost of cutting.

Prices quoted are excluding vat
36" long x 3" High
Under Front Door Step
Cast Iron Vent Grille






ITEM - SLOT36x3
36" x 3" Cast Iron
Under Front Door Step
Slotted Vent Grille

Cast Iron - Undrilled


£149.99

In  Stock.

ITEM - SLOT36x3 + cut to customer requirements

email length required

Cast Iron - Undrilled


£169.99  Cut

In  Stock.

Note on cut to length grilles

The border is slightly wider than the ribs, therefore we will cut the grille from the centre of a standard item 137 to ensure the ends are the same. After cutting your grille will be painted. As the grille will be cut in line with the ribs, it may be slightly longer or shorter than desired and we will therefore confirm the exact length with the customer before proceeding.
We cannot accept returns on cut grilles.

3" High Daisy Pattern



For something more elaborate, may we suggest the daisy pattern?  See here for more details.


door step grilles
For a selection of 24 inch long grilles click above



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Pay online or pay over the phone/fax ..call 01598 711999
SPECIFICATIONS
Item size
in mm
Nom
size
inches 
Slot
Size
mm
Wt
KG
Air
flow
mm2
Depth
mm
SLOT36x3 910 x 75 36" x 3"  11 4 20,350 12


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For alternative patterns for under front door step grilles it is possible to combine many of our standard 9" x 3" cast iron air bricks and use them in a row.
If 3 air bricks are used they will produce a grille of 27" long (around 690mm) and 4 air bricks would make up 36" (around 910mm)
Preferred designs  would be air bricks with a boxed frame reverse or of heavy construction such as the Tudor Rose, item 1 or the School Board item 32 shown below. Cutaway reverse designs items 9, 31 or 28 are likely to be too delicate.

Of particular interest to those seeking improved ventilation is the max flow 9" x 3" which when used in series will increase sub floor ventilation by up to 50% compared with our standard 3" slotted grille and provide over 30,000mm2 of air.

They can be joined together at the back by bonding using an external grade epoxy cement or 2 part glue or drilling and bolting the webs at the back.


item 32 four
 

9" x 3" cast iron air bricks  

Pay By Cheque

Just email or fax  your requirements and then send your cheque made payable to .........

"Cast Iron Air Brick Company", Little Bray Foundry, Down Farm, Brayford, Devon, EX32 7QQ

Cheque payments may take a little longer as we require cheques to clear before posting.