Guide for replacing firebrick in a wood stove at home

Alright, so my trusty old wood stove, it’s been heating my place for ages. But you know how it is, those firebricks inside, they don’t last forever. They get cracked and worn out, so I figured it was time for a little DIY project. I decided to roll up my sleeves and replace them myself.

First things first, I let the stove cool down completely. No point in burning myself, right? Once it was cool, I opened the stove door and took a good look at the firebricks. Some were cracked, some were crumbling, not a pretty sight.

Guide for replacing firebrick in a wood stove at home

Next, I grabbed my tools: a small chisel, a hammer, some work gloves, and safety glasses. Gotta protect those peepers! I started by gently tapping the chisel with the hammer around the edges of the most damaged bricks. It took a little bit of work, but eventually, I managed to loosen them up and pull them out. I then also scraped away the loose old cement around them.

  • Tap around the edges with hammer and chisel
  • Pull out the damaged bricks
  • Scrape away old cement

Now, I’d heard you could just buy new firebricks, but I’m a bit cheap, so I thought, why not try something different? I had some ceramic tiles lying around, the kind you use for your bathroom or kitchen. They’re made from clay and fired in a kiln, just like firebricks, so I figured they might work. Plus, they were way cheaper! (You can try cement if you want.)

I measured the old firebricks to get an idea of the size I needed. Luckily, my ceramic tiles were pretty close in size. I had to break a few to make them fit perfectly, but that was easy enough to do with a tile cutter.

  • Measure old bricks
  • Cut tiles to size if necessary

With my makeshift firebricks ready, I started putting them in place. I used some fire cement to make new bricks if some of the gaps were too big. I spread a thin layer of bonding plaster behind the place I wanted to put the tiles or new bricks, to make sure they’d stay put. Then, I carefully placed the tiles into the stove, making sure they fit snugly against each other.

  • Apply bonding plaster if needed
  • Place tiles/bricks into stove

Once all the tiles were in, I let the cement dry completely. This took a day or so, but I wanted to be sure everything was solid before starting a fire.

Finally, the moment of truth! I built a small fire in the stove and watched closely. The tiles seemed to be holding up just fine. They got hot, of course, but they didn’t crack or crumble. Success!

So there you have it. My little experiment worked out pretty well. I saved some money by using ceramic tiles instead of buying new firebricks, and my wood stove is back in business. It’s not rocket science, just a bit of elbow grease and some common sense. If you’re in the same boat, give it a shot! Just remember to be careful and take your time.