DIY Firepit Question

[nomad100]

If we are building a firepit using a ring like this one

and are planning on using field stone we have in our back yard to create the surround like this

do we need to use high temp mortar?

Or can we use regular mortar since we have the ring on the inside?

[pitterwoo]

I don't think you need it. High temp would be for direct contact with the flame.

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[emjacobs]

I would use high temp, the metal is still going to radiate a lot of heat and you'd rather be safe then sorry. Do you really want to fix it next year?

[auntie]

One of my Eagle Scouts built a couple firepits like that for a local park. He used special high temp mortar. He also used inserts that were specifically designed for the fire pit application. He got his from Big House Industries (PA Dept of Corrections) but they don't sell to the public.