# \#materials

**URL:** https://forums.firespeaking.com/tag/materials/4.md

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## [Brick Type and Material Choices in Masonry Heater Design and Construction](https://forums.firespeaking.com/t/brick-type-and-material-choices-in-masonry-heater-design-and-construction/331)

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**Author:** [@fin](https://forums.firespeaking.com/u/fin)\
**Replies:** 5\
**Last updated:** [February 25, 2026, 2:53pm UTC](https://forums.firespeaking.com/t/brick-type-and-material-choices-in-masonry-heater-design-and-construction/331 "2026-02-25T14:53:03Z")

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Hello all, I am in the middle of designing my own masonry heater and modeling it on the computer via solid modeling. I have already finished the firebox and am now designing the “exterior”. My question is on brick selec…

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## [Hearth and Hearth Extension Question Regarding Construction Code and Clearances](https://forums.firespeaking.com/t/hearth-and-hearth-extension-question-regarding-construction-code-and-clearances/246)

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**Author:** [@RichInTN](https://forums.firespeaking.com/u/RichInTN)\
**Replies:** 6\
**Last updated:** [January 28, 2026, 2:47am UTC](https://forums.firespeaking.com/t/hearth-and-hearth-extension-question-regarding-construction-code-and-clearances/246 "2026-01-28T02:47:47Z")

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Hello, I am new here and my 1st post – I have plans to build a Masonry Fireplace – I am unsure if anyone in this forum can help but I will ask anyway — because, if there are professional masons here, they may be able to…

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## [Firebrick Facing Around Firebox Door?](https://forums.firespeaking.com/t/firebrick-facing-around-firebox-door/311)

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**Author:** [@Dwyer\_Haney](https://forums.firespeaking.com/u/Dwyer_Haney)\
**Replies:** 2\
**Last updated:** [October 21, 2025, 1:14pm UTC](https://forums.firespeaking.com/t/firebrick-facing-around-firebox-door/311 "2025-10-21T13:14:00Z")

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For lots of designs, it seems like the facing around the firebox… is effectively in the firebox. Does it make sense to use firebrick there instead of conventional facing materials (brick or concrete block for example)? …

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## [Embodied Energy of Castable Refractory Pieces vs. Refractory Tile](https://forums.firespeaking.com/t/embodied-energy-of-castable-refractory-pieces-vs-refractory-tile/209)

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**Author:** [@max](https://forums.firespeaking.com/u/max)\
**Replies:** 0\
**Last updated:** [February 1, 2024, 6:22pm UTC](https://forums.firespeaking.com/t/embodied-energy-of-castable-refractory-pieces-vs-refractory-tile/209 "2024-02-01T18:22:24Z")

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Hi all, my good friend and awesome masonry heater and oven builder @borealheat was here visiting over the weekend and in conversation brought up that he understood that pieces made of castable refractory likely have less…