# Latest **URL:** https://forums.firespeaking.com/latest.md [Latest](https://forums.firespeaking.com/latest.md) · [Categories](https://forums.firespeaking.com/categories.md) · [Tags](https://forums.firespeaking.com/tags.md) --- ## [Masonry Heater Hardware Installation Instructions](https://forums.firespeaking.com/t/masonry-heater-hardware-installation-instructions/57)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 2\ **Last updated:** [September 21, 2026, 12:55am UTC](https://forums.firespeaking.com/t/masonry-heater-hardware-installation-instructions/57 "2026-09-21T00:55:40Z")
In general, hardware is mounted to the facing material, not the firebrick of the refractory core. For the doors… we recommend making the rough opening in the masonry facing 3/8" larger all around than the door’s “return… --- ## [SketchUp Masonry Heater Resource Folder](https://forums.firespeaking.com/t/sketchup-masonry-heater-resource-folder/26)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 14\ **Last updated:** [September 12, 2026, 4:20pm UTC](https://forums.firespeaking.com/t/sketchup-masonry-heater-resource-folder/26 "2026-09-12T16:20:12Z")
The first iteration of the SketchUp for Masonry Heater Resource Folder has been created! The current version is hosted as a publicly accessible Google Drive link. You can currently add to it by uploading files to this … --- ## [How Masonry Heaters Work](https://forums.firespeaking.com/t/how-masonry-heaters-work/369)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 0\ **Last updated:** [September 11, 2026, 1:08pm UTC](https://forums.firespeaking.com/t/how-masonry-heaters-work/369 "2026-09-11T13:08:41Z")
Originally published at: How Masonry Heaters Work - Firespeaking Whether you are homeowner looking for the most resilient and efficient way to heat your home with a renewable fuel source, a designer looking to provi… --- ## [Masonry heater spanning modular home central beam](https://forums.firespeaking.com/t/masonry-heater-spanning-modular-home-central-beam/367)
**Author:** [@ljane](https://forums.firespeaking.com/u/ljane)\ **Replies:** 2\ **Last updated:** [September 2, 2026, 12:10pm UTC](https://forums.firespeaking.com/t/masonry-heater-spanning-modular-home-central-beam/367 "2026-09-02T12:10:30Z")
Hi all, First time poster here. I recently moved from a mostly off-grid tiny house to a grown-up, “real” house (grid connected). The house is all electric, and it makes me panic to think what I’d do in the middle of a n… --- ## [Masonry Cookstove Development](https://forums.firespeaking.com/t/masonry-cookstove-development/365)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 0\ **Last updated:** [June 15, 2026, 3:11pm UTC](https://forums.firespeaking.com/t/masonry-cookstove-development/365 "2026-06-15T15:11:14Z")
Hello all, Here are some drawings of a cookstove I have been designing that I am interested in getting feedback on. In particular, @Dwyer\_Haney I am interested to get your feedback in the context of the cookstove that … --- ## [Beginner Basics - Hybryd Cookstove Building tips](https://forums.firespeaking.com/t/beginner-basics-hybryd-cookstove-building-tips/364)
**Author:** [@RowanSimonsen](https://forums.firespeaking.com/u/RowanSimonsen)\ **Replies:** 1\ **Last updated:** [June 15, 2026, 2:55pm UTC](https://forums.firespeaking.com/t/beginner-basics-hybryd-cookstove-building-tips/364 "2026-06-15T14:55:24Z")
Hi there, I have bought the designs for the Hybryd Cookstove and Masonry Heater, that fits right into the dream house that I am building now. I have never built a masonry heater or stove and would love any tips, photos… --- ## [Basics of Working with Refractory Mortar and Laying Firebrick](https://forums.firespeaking.com/t/basics-of-working-with-refractory-mortar-and-laying-firebrick/363)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 0\ **Last updated:** [June 1, 2026, 10:43pm UTC](https://forums.firespeaking.com/t/basics-of-working-with-refractory-mortar-and-laying-firebrick/363 "2026-06-01T22:43:50Z")
Originally published at: Video Tutorial: Basics of Working with Refractory Mortar and Laying Firebrick - Firespeaking It is important for someone installing a masonry heater core to be familiar with working with ref… --- ## [One Account at Firespeaking](https://forums.firespeaking.com/t/one-account-at-firespeaking/361)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 0\ **Last updated:** [May 28, 2026, 5:02pm UTC](https://forums.firespeaking.com/t/one-account-at-firespeaking/361 "2026-05-28T17:02:10Z")
I wanted to let all forum users know that we will begin experimenting with creating a single sign-on process across www.firespeaking.com and forums.firespeaking.com. This may mean that your log-in process to the Firespe… --- ## [Beautiful Sculptural Custom Masonry Heater](https://forums.firespeaking.com/t/beautiful-sculptural-custom-masonry-heater/303)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 1\ **Last updated:** [May 22, 2026, 1:02am UTC](https://forums.firespeaking.com/t/beautiful-sculptural-custom-masonry-heater/303 "2026-05-22T01:02:09Z")
Originally published at: Beautiful Sculptural Custom Masonry Heater - Firespeaking “Welcome to the 21st century–what was old is new again! We wanted an environmental fireplace for our home after learning that tra… --- ## [Compact Tower Masonry Heater Design](https://forums.firespeaking.com/t/compact-tower-masonry-heater-design/360)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 0\ **Last updated:** [May 21, 2026, 8:29pm UTC](https://forums.firespeaking.com/t/compact-tower-masonry-heater-design/360 "2026-05-21T20:29:10Z")
Originally published at: Compact Tower Masonry Heater Design - Firespeaking The Compact Tower design represents the smallest footprint for our modular firebox design. All of the heat exchange is stacked on top of th… --- ## [Day Bed Masonry Heater Design](https://forums.firespeaking.com/t/day-bed-masonry-heater-design/359)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 0\ **Last updated:** [May 20, 2026, 10:49pm UTC](https://forums.firespeaking.com/t/day-bed-masonry-heater-design/359 "2026-05-20T22:49:52Z")
Originally published at: Day Bed Masonry Heater Design - Firespeaking This series of drawings shows design work creating a masonry heater with an efficient firebox, oven and extended day bed which could also serve a… --- ## [Masonry Heater Association Annual Meeting '26](https://forums.firespeaking.com/t/masonry-heater-association-annual-meeting-26/358)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 0\ **Last updated:** [April 24, 2026, 6:49pm UTC](https://forums.firespeaking.com/t/masonry-heater-association-annual-meeting-26/358 "2026-04-24T18:49:45Z")
Originally published at: Masonry Heater Association Annual Meeting '26 - Firespeaking Videos of the Experience This gathering continues to be a seminal gathering point for masonry heater builders from the United… --- ## [5RO Masonry Heater Planning Guide](https://forums.firespeaking.com/t/5ro-masonry-heater-planning-guide/353)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 0\ **Last updated:** [April 1, 2026, 7:42pm UTC](https://forums.firespeaking.com/t/5ro-masonry-heater-planning-guide/353 "2026-04-01T19:42:42Z")
Originally published at: 5RO Masonry Heater Planning Guide - Firespeaking Download Planning Guide as PDF Request Kit Quote This planning guide illustrates how to integrate a masonry heater into the architecture … --- ## [Wildflour Bread Bakery Oven - 7' x 9' hearth!](https://forums.firespeaking.com/t/wildflour-bread-bakery-oven-7-x-9-hearth/351)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 0\ **Last updated:** [March 6, 2026, 12:54pm UTC](https://forums.firespeaking.com/t/wildflour-bread-bakery-oven-7-x-9-hearth/351 "2026-03-06T12:54:27Z")
One of the fun things about my job is the correspondence I get to have with people about their projects. Jed Wallach of Wild Flour Bread in Freestone, CA sent me this photo of their recently rebuilt oven. With a hear… --- ## [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)
**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")
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… --- ## [Newbie Design Questions](https://forums.firespeaking.com/t/newbie-design-questions/339)
**Author:** [@KFult108](https://forums.firespeaking.com/u/KFult108)\ **Replies:** 2\ **Last updated:** [February 24, 2026, 1:34am UTC](https://forums.firespeaking.com/t/newbie-design-questions/339 "2026-02-24T01:34:41Z")
Hi all, I am new here and new to the wonderful world of masonry heaters in general, though I have some masonry experience and would love to build my own custom heater in the near future. Very grateful to find this forum… --- ## [Lime Plaster Finishes for Masonry Heaters](https://forums.firespeaking.com/t/lime-plaster-finishes-for-masonry-heaters/83)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 20\ **Last updated:** [February 11, 2026, 7:25pm UTC](https://forums.firespeaking.com/t/lime-plaster-finishes-for-masonry-heaters/83 "2026-02-11T19:25:37Z")
It has been a long journey for us to come back to plaster for masonry heaters. The first two heaters that we built after we established our company we finished with clay plaster. Both of these heaters experienced crack… --- ## [Masonry Heater Foundation Construction Sequence](https://forums.firespeaking.com/t/masonry-heater-foundation-construction-sequence/306)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 7\ **Last updated:** [February 4, 2026, 11:38pm UTC](https://forums.firespeaking.com/t/masonry-heater-foundation-construction-sequence/306 "2026-02-04T23:38:02Z")
Originally published at: Masonry Heater Foundation Construction Sequence - Firespeaking This article complements the Masonry Heater Foundation Details article by providing real-world process examples. All framing … --- ## [The Northwind Batch Box Cookstove](https://forums.firespeaking.com/t/the-northwind-batch-box-cookstove/337)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 1\ **Last updated:** [February 2, 2026, 11:38pm UTC](https://forums.firespeaking.com/t/the-northwind-batch-box-cookstove/337 "2026-02-02T23:38:37Z")
Our friend Mark Mazziotti of Northwind Natural Building sent us this photo of his recently completed project and reports that it is working wonderfully to heat his strawbale home! I believe that it is an adaptation o… --- ## [Cozy Batch Box Rocket Mass Heater](https://forums.firespeaking.com/t/cozy-batch-box-rocket-mass-heater/338)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 0\ **Last updated:** [February 2, 2026, 11:21pm UTC](https://forums.firespeaking.com/t/cozy-batch-box-rocket-mass-heater/338 "2026-02-02T23:21:45Z")
Here are some photos sent to us by repeat customer, Daniel Ray of SpiritWood Natural Building. This project uses the K402 Firebox Door. Congrats Dan (@spiritwoodnb)! --- ## [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)
**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")
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… --- ## [Masonry Heater Outside Air Details](https://forums.firespeaking.com/t/masonry-heater-outside-air-details/330)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 0\ **Last updated:** [January 16, 2026, 8:11pm UTC](https://forums.firespeaking.com/t/masonry-heater-outside-air-details/330 "2026-01-16T20:11:23Z")
Originally published at: Masonry Heater Outside Air Details - Firespeaking Providing outside or “make-up” air directly to a masonry heater is a modern technique to ensure that the firebox receives the air it needs f… --- ## [5-Run with Oven (5RO) Design](https://forums.firespeaking.com/t/5-run-with-oven-5ro-design/321)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 1\ **Last updated:** [January 15, 2026, 7:41am UTC](https://forums.firespeaking.com/t/5-run-with-oven-5ro-design/321 "2026-01-15T07:41:47Z")
Originally published at: 5-Run with Oven (5RO) Design - Firespeaking Stay tuned for versions of these drawings in the Contraflow, Bell, Double Bell, Grundofen, Corner and other configurations! Complete installation… --- ## [The Molalla Masonry Heater](https://forums.firespeaking.com/t/the-molalla-masonry-heater/322)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 0\ **Last updated:** [January 7, 2026, 12:22am UTC](https://forums.firespeaking.com/t/the-molalla-masonry-heater/322 "2026-01-07T00:22:40Z")
Originally published at: The Molalla Masonry Heater - Firespeaking The Molalla Masonry Heater is a custom masonry heater which includes an oven, extensive heated and storage benches, wood storage, and a full masonry… --- ## [Residential Sand Battery Development](https://forums.firespeaking.com/t/residential-sand-battery-development/317)
**Author:** [@jdebot](https://forums.firespeaking.com/u/jdebot)\ **Replies:** 0\ **Last updated:** [December 10, 2025, 3:54pm UTC](https://forums.firespeaking.com/t/residential-sand-battery-development/317 "2025-12-10T15:54:54Z")
I’ve been studying Masonry Heaters for some time and planning to use what I have learned to create a test residential sand battery for my home. I have an electrical engineering background, am a jack-of-all-trades and ha… --- ## [Benchtop Bear Directly on Flue Liners?](https://forums.firespeaking.com/t/benchtop-bear-directly-on-flue-liners/305)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 2\ **Last updated:** [October 21, 2025, 1:22pm UTC](https://forums.firespeaking.com/t/benchtop-bear-directly-on-flue-liners/305 "2025-10-21T13:22:47Z")
A current kit customer is asking: Do you generally try and avoid having the benchtop bearing directly on the flu liners? Some brick on either side to carry the benchtop weight? This is a great question and leads to t… --- ## [Firebrick Facing Around Firebox Door?](https://forums.firespeaking.com/t/firebrick-facing-around-firebox-door/311)
**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")
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)? … --- ## [Steel I beam instead of foundation?](https://forums.firespeaking.com/t/steel-i-beam-instead-of-foundation/285)
**Author:** [@Jerry\_N](https://forums.firespeaking.com/u/Jerry_N)\ **Replies:** 3\ **Last updated:** [October 21, 2025, 11:40am UTC](https://forums.firespeaking.com/t/steel-i-beam-instead-of-foundation/285 "2025-10-21T11:40:05Z")
Getting ready to build a house and plan masonry heater first floor near living room wall with master suite on other side. There is a full basement underneath, and this would put a foundation 1/3 of the way into the basem… --- ## [The River Rock Masonry Heater](https://forums.firespeaking.com/t/the-river-rock-masonry-heater/298)
**Author:** [@max](https://forums.firespeaking.com/u/max)\ **Replies:** 0\ **Last updated:** [July 17, 2025, 8:51pm UTC](https://forums.firespeaking.com/t/the-river-rock-masonry-heater/298 "2025-07-17T20:51:52Z")
Originally published at: The River Rock Masonry Heater - Firespeaking “We are sooooooo happy with our stove, the way it regulates the temperature in the room all night and even the next day. So far we have only h… --- ## [Masonry stove finish](https://forums.firespeaking.com/t/masonry-stove-finish/297)
**Author:** [@markfogo](https://forums.firespeaking.com/u/markfogo)\ **Replies:** 0\ **Last updated:** [July 13, 2025, 7:59am UTC](https://forums.firespeaking.com/t/masonry-stove-finish/297 "2025-07-13T07:59:18Z")
Hi from the UK. I have a question that I was hoping the community might help me answer. Our stove is currently finish with a lime render which my wife would like to now add a colour too. I know I can add a coloured lime… [Next page](https://forums.firespeaking.com/latest.md?page=1)