# \#code

**URL:** https://forums.firespeaking.com/tag/code/6.md

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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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## [Unique Challenge for Custom Masonry Heaters in Washington State](https://forums.firespeaking.com/t/unique-challenge-for-custom-masonry-heaters-in-washington-state/294)

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**Author:** [@max](https://forums.firespeaking.com/u/max)\
**Replies:** 0\
**Last updated:** [May 9, 2025, 11:08pm UTC](https://forums.firespeaking.com/t/unique-challenge-for-custom-masonry-heaters-in-washington-state/294 "2025-05-09T23:08:50Z")

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This week I was reminded of some unique legislation in Washington State that prohibits the construction of custom masonry heaters. WAC 173-433-100 requires masonry heaters be emissions tested in order to be sold. Here …