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-   -   Soldier course (http://www.fornobravo.com/forum/f8/soldier-course-4666.html)

Valan 07-29-2008 11:38 AM

Soldier course
 
Hi Folks,

I just wanted to clarify two points:

If I'm using an internal hearth (hearth bricks cut to fit inside of the soldier course) does the soldier course bricks get mortered to the layer of insulation?

If I'm using a hearth where the soldiers sit on top of the hearth bricks, do the soldiers get mortered to the hearth bricks?

Thanks in advance,
Valen

mfiore 07-29-2008 12:33 PM

Re: Soldier course
 
Hi, Valen. Welcome.

It seems most lately are not mortaring the soldiers down to either the hearth or the inulation layer. They are mortared together (sides). The shear weight will keep it from shifting. The purpose being differential expansion of the dome and floor, theoretically allowing outward dome expansion independent of the floor. It's still not clear how significant this is, as many earlier builders did indeed mortar to either the floor or the insulation layer.

Having said that, I have yet to get to that point of the build, so I'm sure others will chime in.

Breven 07-29-2008 01:33 PM

Re: Soldier course
 
Yeah...I didn't mortar mine to the floor, just the back. As soon as you mortar the back of the bricks and they are wedged together- it's really strong. This seems to be the way everyone else has done it. I didn't ask why, I jsut followed suit.

Ken524 07-29-2008 10:26 PM

Re: Soldier course
 
Ditto... Don't try to mortar them to the insulation. Also, leave a small gap between the soldiers and floor bricks (I used some strips of corrugated cardboard). This leaves a bit of room for expansion.

jengineer 07-30-2008 01:35 PM

Re: Soldier course
 
Quote:

Originally Posted by Ken524 (Post 38129)
Ditto... Don't try to mortar them to the insulation. Also, leave a small gap between the soldiers and floor bricks (I used some strips of corrugated cardboard). This leaves a bit of room for expansion.

it will soon fill in with ash and form a seal of sorts.


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