Bamaboy13 Posted April 12, 2017 Share Posted April 12, 2017 Came across a 4" OD square tube, been wanting to build a rocket stove, so now I'm building 5, 3 brother's, son, & myself. I decided on my design and have most cutting done. I am building a box around the burn- box/chimney with a 1" space. I have 2" refractory ceramic wool. What will it do to the insulating efficiency if I compress it into the 1" space? Quote Link to comment Share on other sites More sharing options...
ThomasPowers Posted April 12, 2017 Share Posted April 12, 2017 It will decrease the efficiency of the insulation. Quote Link to comment Share on other sites More sharing options...
Frosty Posted April 12, 2017 Share Posted April 12, 2017 If you want the insulation it's much better to use one layer. Frosty The Lucky. Quote Link to comment Share on other sites More sharing options...
Bamaboy13 Posted April 13, 2017 Author Share Posted April 13, 2017 I guess I'll just fill with perlite Quote Link to comment Share on other sites More sharing options...
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