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V-wiz 05-17-2013 12:54 PM

Which insulation to use in insulated door
 
Im building/welding the insulated door tomorrow, i have both Cal-Sil boards and Ceramic fiber blankets. Both are left over and can use both. Which will insulate better?

Some facts. The Cal-sil board is rated up to 1,200F, the CF blanket is rated over 2,200F. The blanket can be packed tighter as it will compress.

What do you guys think? Thanks

okn 05-17-2013 01:36 PM

Re: Which insulation to use in insulated door
 
My vote is for Ceramic blanket. Easier to work with.

Gulf 05-17-2013 01:39 PM

Re: Which insulation to use in insulated door
 
Quote:

Originally Posted by okn (Post 152858)
My vote is for Ceramic blanket. Easier to work with.

And the door will be considerably lighter :).

V-wiz 05-17-2013 01:45 PM

Re: Which insulation to use in insulated door
 
I like the way you guys think...

V-wiz 05-17-2013 02:42 PM

Re: Which insulation to use in insulated door
 
I hope we can finish the door tomorrow so i can put some use to it. Last night i fired the oven, after finishing with the fire i blocked out the entry with bricks, in the morning i removed the bricks and the oven was still warm. Mind you i only fired the oven to 400F (at its peak). So im sure with the insulated door i will get better performance.

okn 05-17-2013 03:03 PM

Re: Which insulation to use in insulated door
 
What thickness metal will you be using?

V-wiz 05-17-2013 03:27 PM

Re: Which insulation to use in insulated door
 
Quote:

Originally Posted by okn (Post 152865)
What thickness metal will you be using?

about the thickness of nickle. enough? i figure im not going to have the door on when i have a blazing fire therefore dont need to have a heavy duty door.

deejayoh 05-17-2013 05:03 PM

Re: Which insulation to use in insulated door
 
you need to put the door on with a pretty hot fire if you want the oven to be hot in the morning. I stoke mine up and then put the door on so it will be 600-650 in the morning.

Aegis 05-17-2013 05:20 PM

Re: Which insulation to use in insulated door
 
3 Attachment(s)
Quote:

Originally Posted by deejayoh (Post 152875)
you need to put the door on with a pretty hot fire if you want the oven to be hot in the morning. I stoke mine up and then put the door on so it will be 600-650 in the morning.

I used a sandwich of foamglas between 1/8" metal and 3/4" ipe wood. The ipe made it too heavy and I will make another with a lighter wood. But I have put this door on when the oven was still 650-700 degrees F and is has been fine for almost two years.

V-wiz 05-17-2013 05:20 PM

Re: Which insulation to use in insulated door
 
Quote:

Originally Posted by deejayoh (Post 152875)
you need to put the door on with a pretty hot fire if you want the oven to be hot in the morning. I stoke mine up and then put the door on so it will be 600-650 in the morning.

When you put the door on don't you kill the live fire by starving it of oxygen?


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