Well, it looks like we've decided to go with the 30. Got our building permit today. So we are set to start preparing for the stove to arrive.
I am going to build a hearth. Looks like the 30 requires 1.5 R-value. Having never built a hearth before, input would be appreciated.
If I use metal framing studs, can I count the dead air space? If so, it seems most say it is around .97 r-value. On top of that, I'm thinking one sheet of sheet metal. Then two layers of Durock Next Gen @ .39 each. I plan to ceramic tile/grout the top which is worth .01 or .02 depending what source you look at. So, .97+.39+.39+.01=1.76 r-value, right? Does that sound workable? If there are any reasons not to use or count the air space, I will have to modify that plan. Are there any other problems with my basic plan or things I should be aware of?
Also, the pad is supposed to be 39 x 52.5. My wife would like the corners to be "cut out" like the hearth near the bottom of this page https://www.hearth.com/econtent/index.php/articles/hearth_design
Would we need to make it bigger to account for that?
I am going to build a hearth. Looks like the 30 requires 1.5 R-value. Having never built a hearth before, input would be appreciated.
If I use metal framing studs, can I count the dead air space? If so, it seems most say it is around .97 r-value. On top of that, I'm thinking one sheet of sheet metal. Then two layers of Durock Next Gen @ .39 each. I plan to ceramic tile/grout the top which is worth .01 or .02 depending what source you look at. So, .97+.39+.39+.01=1.76 r-value, right? Does that sound workable? If there are any reasons not to use or count the air space, I will have to modify that plan. Are there any other problems with my basic plan or things I should be aware of?
Also, the pad is supposed to be 39 x 52.5. My wife would like the corners to be "cut out" like the hearth near the bottom of this page https://www.hearth.com/econtent/index.php/articles/hearth_design
Would we need to make it bigger to account for that?
