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-   -   Looking For Advice Re Oven Floor Insulation (http://www.fornobravo.com/forum/f2/looking-advice-re-oven-floor-insulation-19655.html)

Fed 07-15-2013 05:43 AM

Looking For Advice Re Oven Floor Insulation
 
hi guys,
im new to the forum but im being reading a lot lately looking for tips and learning different methods to build ovens..

i already started building my oven and need some advice for the insulation of the floor..

my first idea was to just use a layer of glass and rock sea salt and on top of it another layer of refractory mortar..
then on top of it would place the alumina bricks...

although now i bought the ceramic fiber blankets to insulate the dome and since i have spare i was wondering if i should also add one layer of ceramic fiber on top of the rock sea salt... to add extra insulation...

so basically my question is if i should just go with
glass/rock sea salt/refractory mortar/alumina bricks

or
glass/rock sea salt/ ceramic/refractory mortar/alumina bricks.

what would you recommend?

thanks in advance for your help.
Fed.

stonecutter 07-15-2013 04:35 PM

Re: Looking For Advice Re Oven Floor Insulation
 
Quote:

Originally Posted by Fed (Post 157225)
hi guys,
im new to the forum but im being reading a lot lately looking for tips and learning different methods to build ovens..

i already started building my oven and need some advice for the insulation of the floor..

my first idea was to just use a layer of glass and rock sea salt and on top of it another layer of refractory mortar..
then on top of it would place the alumina bricks...

although now i bought the ceramic fiber blankets to insulate the dome and since i have spare i was wondering if i should also add one layer of ceramic fiber on top of the rock sea salt... to add extra insulation...

so basically my question is if i should just go with
glass/rock sea salt/refractory mortar/alumina bricks

or
glass/rock sea salt/ ceramic/refractory mortar/alumina bricks.

what would you recommend?

thanks in advance for your help.
Fed.

Don't put salt anywhere in or near concrete. It is corrosive and will do little as insulation.

Glass is not a great insulator either...but it's better than putting the brick in contact with the concrete slab.

Go the standard perlite/vermiculite concrete mix or ceramic board.

Fed 07-15-2013 08:47 PM

Re: Looking For Advice Re Oven Floor Insulation
 
Quote:

Originally Posted by stonecutter (Post 157261)
Don't put salt anywhere in or near concrete. It is corrosive and will do little as insulation.

Glass is not a great insulator either...but it's better than putting the brick in contact with the concrete slab.

Go the standard perlite/vermiculite concrete mix or ceramic board.

thanks for your reply.

the problem i have is that materials are really hard to find down here..
i had to order most of the materials from manila..
so i cannot get perlite/vermiculite or ceramic board... although i have the ceramic blanket..

should i use the ceramic blanket on top of the glass then?
thanks.
Fed.

stonecutter 07-17-2013 10:00 AM

Re: Looking For Advice Re Oven Floor Insulation
 
See if you can locate materials that davids suggested, in the other thread were you asked this same question.


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