Outdoor Wood Furnace Info

All-Purpose OWF Discussions => General Outdoor Furnace Discussion => Topic started by: buildingastove on February 21, 2015, 09:20:06 AM

Title: Fire brick or no fire brick
Post by: buildingastove on February 21, 2015, 09:20:06 AM

Got a ? Still looking at building a stove just checking to see what you thought about the fire box? Go with fire brick or no fire brick?

Title: Re: Fire brick or no fire brick
Post by: mag1266 on February 21, 2015, 10:03:12 AM

Brick is good

Title: Re: Fire brick or no fire brick
Post by: juddspaintballs on February 21, 2015, 10:41:27 AM

Fire brick is really good.  It holds heat, protects your firebox, is easily replaced, and allows you to burn coal if you wanted. 

Title: Re: Fire brick or no fire brick
Post by: buildingastove on February 21, 2015, 10:59:45 AM

Hey thanks I was just going to put it on half the fire box where most of the burning is going on thanks again!

Title: Re: Fire brick or no fire brick
Post by: tinfoilhat2020 on February 21, 2015, 11:04:03 AM

I am thinking of Adding Firebrick to the bottom and partial sides of my traditional boiler as well.

Title: Re: Fire brick or no fire brick
Post by: juddspaintballs on February 21, 2015, 05:20:30 PM

I have firebrick sidewalls at the bottom, and a sand bottom where my shaker grates are not.  I'm thinking of adding more firebrick so that the bottom of the firebox slopes as a V into the shaker grates.  That'll make cleaning out the firebox easier, keep the coals centered over the airflow, and allow the ashes to all fall into the ash auger tube instead of rest on the floor of the firebox.  It'll also make burning coal easier.

Title: Re: Fire brick or no fire brick
Post by: buildingastove on February 22, 2015, 09:33:13 AM

That sounds like the way mine is going to be on the inside it's not going to be a round fire box but in goes down at a slop if that makes sense!

Title: Re: Fire brick or no fire brick
Post by: hotterburn4u on February 22, 2015, 07:31:12 PM

Hello everyone
I wanted to get on here to thank all the posters for some time .Well I finally have found the time and a post related to something I am very passionate about ..fire brick and its benefits .I have to admit that I didn't fully understand all the benefits of refractory till I was wowed by the first down Draft I saw burning ,the flame was incredible. I later remembered  a fellow who ran a small foundry who specialized in making bronze statues anyway I had sold him a regular water  totally surrounding the fire  pot type of hydronic furnace. He fit the bottom half of the fire pot with refractory what a difference in the amount of smoke and creosote . Good combustion requires three things one being heat . I know you will be pleased with the many benefits already mentioned by others on your  post .Put in as much as you can. It will benefit updraft or downdraft hydronic heaters or any fire even a camp fire.

Title: Re: Fire brick or no fire brick
Post by: buildingastove on February 23, 2015, 06:50:23 AM

Hey thanks that sounds great I'm sold on putting fire brick in!

Title: Re: Fire brick or no fire brick
Post by: userdk on March 03, 2015, 06:25:18 PM

There's a lot of debate as to firebrick vs. no firebrick. If you use fire brick, look at how P and M did it. Heatmaster hasn't had any corrosion problem using .409 without firebrick. I have no idea what it would take to weld .409 though.

Title: Re: Fire brick or no fire brick
Post by: buildingastove on March 06, 2015, 10:23:20 AM

To weld 409 isn't bad you can weld it with a stick welder with the right rods or a mig I would use a mig! I'm not crazy about the way stainless expand and contract there is good and bad in all of it! :)

Title: Re: Fire brick or no fire brick
Post by: userdk on March 06, 2015, 12:42:16 PM

What rod would you use? My brother wants to use .409 on his sap boiler.

Title: Re: Fire brick or no fire brick
Post by: buildingastove on March 08, 2015, 08:57:02 AM

I would use a 309 use a lot of them to weld stainless!

Title: Re: Fire brick or no fire brick
Post by: buildingastove on March 08, 2015, 08:59:53 AM

Sorry that is 308 hit the 9 sorry!