PYROTEC | Firebricks — with 4 mm holes

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These firebricks are made from lightweight refractory material and are ideal for custom, stackable configurations in your kiln. They are available as round, square or rectangular bricks and have 4 mm holes for firing rods. More
incl. VAT | Delivery Information.
PYROTEC | Firebricks — with 4 mm holes, round Ø 40 mm, single hole
Code 64021 
In stock
Additional info
round Ø 40 mm
single hole
£ 7.25
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PYROTEC | Firebricks — with 4 mm holes, square 33 mm x 33 mm, single hole
Code 64001 
In stock
Additional info
square 33 mm x 33 mm
single hole
£ 7.25
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PYROTEC | Firebricks — with 4 mm holes, square 60 mm x 60 mm, 3 holes
Code 64002 
In stock
Additional info
square 60 mm x 60 mm
3 holes
£ 10.85
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PYROTEC | Firebricks — with 4 mm holes, square 70 mm x 70 mm, 5 holes
Code 64029 
In stock
Additional info
square 70 mm x 70 mm
5 holes
£ 14.10
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PYROTEC | Firebricks — with 4 mm holes, rectangular 170 mm x 25mm, 5 holes
Code 64003 
In stock
Additional info
rectangular 170 mm x 25mm
5 holes
£ 12.50
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PYROTEC Firebricks are made from lightweight refractory material, and are uniquely engineered with a serrated profile and pre-drilled 4 mm holes to hold metal firing rods or bars. They can withstand temperatures up to 1250° C.

The firebricks allow potters to create custom, stackable configurations to maximise kiln efficiency and space. They can be used together in various combinations. The rectangular and square variants are uniformly 15 mm thick for stable, low-profile stacking.

They following PYROTEC Firebrick formats are available:

  • round - single hole, perfect for individual small pieces or building single pillar configurations.
  • square - with multi-hole block configurations (1, 3 or 5 holes) to support parallel firing rods.15 mm thick
  • rectangular - elongated strip bricks with 5 holes, optimal for running wider horizontal hanging racks

Price per firebrick.

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Please note: Due to the limited size of our London shop, not all items on the website are in stock in London. To avoid disappointment, we recommend contacting the shop to reserve or order the product. Online orders are not shipped from our London store.