Hello everyone after a couple of years of researching WBO i finally started my build about a week ago. I have got the foundation and stand with concrete and vermiculite down, my question is on my vent landing, is it suppose to be 4" or 6" i have two different plans that have these numbers which one is correct? If anyone can help i would really appreciate it. i am building a 42" oven igloo style, what would the proper recommended specs on this build. I will be posting pics soon on my progress as soon as i figure out how to post the pics..lol
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42" WBO build in NJ vent landing ?