Saturday, January 14, 2012

Masonry Heater Part II

I wanted to finish the center channel of the masonry heater today before I updated the blog, but I ran out of time and almost out of mortar. I decided to do the update anyway.
Inner firebox finished.
Lintel in place. The slots underneath will hold firebrick splits to form a heat shield.
My inner firebox ended up a little shorter than my outer firebox so I used some leftover castable refractory cement to bring it up to the same level.
The 2 inch gaps form a bypass channel that runs underneath the bake oven floor.
Bake oven floor is set in a bed of refractory mortar.
The back wall is gasketed with 1/8 inch ceramic paper and it sits dry.
Firebrick walls and back wall of the bake oven is gasketed with 1/8 inch ceramic paper.
Top of bake oven in place.
Channel behind the bake oven.
Flared rear channel tilted up so you can see the cuts.
Flare bricks in place.
In order to bring the front and back up to the same level we needed to rip 5/8 inch off the top course of the front bricks.
This is the start of the angled transition header that holds the capping slabs.
This is a view from the front.
Once the angled transition header is finished we will start to lay up the side channels.


  1. That looks like a lot of work. I can't wait to see the finished product. Thank you for showing all the steps! :)

  2. Wow! This looks so amazing! I would love to have something like this in my house! I've GOT to show this to my husband... ;-)

  3. how much ceramic paper did you use for the heater?