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Replies

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  Adam Pilgrim May 13, 2011 at 5:19pm

  I assembled a preformed concrete type barbeque for a friend a few years ago using special fire cement as he had had previous problems with mortar cracking and breaking away, not sure if this is availiable in larger quantity packs than the tub I used though.
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  Boxelder Landscapes May 13, 2011 at 6:24pm

  you could line the pit with Heat resistant bricks. these bricks retain the heat and would protect the stone.
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  Mic Watson May 13, 2011 at 6:29pm

   You can buy fire cement in large tubs but as far as im aware it always comes ready mixed and aint cheap , its the stuff you use for fixing stove pipes and chimneys together , i used it on a homemade woodburner in my workshop and its great stuff and has not cracked in 3 years of use .

   

   Best bet would be to build a small version of what you want and use it for a few nights to see if you have any problems with the stone cracking (i dont think you will have any problems with yorkshire stone though) ...

   

   Hope thats of some help .
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  Phil Voice May 14, 2011 at 9:41am

  A simple lime mortar would probably work (no cement). This is what was used in chimney building.
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  David Cox May 14, 2011 at 10:59am

  If its found in yorkshire - it could be one of two common types - Milstone Grit - the hard gritty sandstone places like Otley, and much of the stone buildings in leeds are made of - This will be find, its very tough. The softer finer grained sandstones - They will crumble with repeated use in a fire, I tend to find these as you head east.
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  Niall Lynchehaun May 14, 2011 at 12:29pm

  Hi There,

   

  We supply Glass pebbles and Glass chippings which will take heat up to 1350 degrees before melting, they are also very decorative.

   

  Please see our range at www.recycledglassulster.com

   

  Thanks,

   

  Niall

   
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  Fenlandphil May 15, 2011 at 9:50am

  Avoid contacting brick or stone with anything really hot  I have a scar under one eye from a brick that exploded whilst I was heating a bar on it with a blow torch. I count myself lucky not to have lost my sight.

  If I am hot forging, I place the heated items either on a steel plate on the concrete floor to cool or on a trestle.

  I would suggest an iron or steel fire pit with a lip round the top if it is to be sunk into the ground, support it by the top lip with an air gap under the lip made by supporting the lip on steel or iron packers. fill any unwanted gaps with fire cement. If the fire pit is above ground support it on steel legs, three legs are usually more stable than four.

  I have not made a fire pit so the advice I am giving is only general and based on my own expeience with hot metal and forge work.
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  Josh Ward May 16, 2011 at 4:22pm

  Hi Tom, I would call experts such as www.urbangasfires.co.uk for advice.

  Josh Ward Garden Design

  http://www.joshwardgardendesign.com
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  David Channon May 16, 2011 at 9:34pm

  Flints have a tendency to spit razor sharp flakes at high speed from fires.

  Avoid them!
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  Kirsty Blair May 17, 2011 at 11:00pm

  I know sandstone tends to explode in contact so you definitely need fire bricks as a liner - take your lead from chimney construction, tried and tested methods!