so we finally pulled the trigger on an Osburn fireplace and hope to be installing it next week. I will be doing the install myself along with the help of my FIL. looking into the manuals for this unit, i found 2 different versions online, one from 2012 and one from 2014. there is a difference of 8" in the clearance to combustible shelf between manuals, the newer one with the higher measurement. i obviously want to install this as safe as i can, but would like the mantle shelf to be closer to the older specs than the new. my hearth is raised 10" off finished floor, so a 12" shelf would be over 6' with the new clearance guidelines.
does any one know why this changed?
does any one know why this changed?