http://i187.photobucket.com/albums/x296/dawlita/Nachi/chris197.jpg
http://i187.photobucket.com/albums/x296/dawlita/Nachi/chris198.jpg
http://i187.photobucket.com/albums/x296/dawlita/Nachi/chris197.jpg
http://i187.photobucket.com/albums/x296/dawlita/Nachi/chris198.jpg
Yes, a ceiling support/firestop and insulation dam (if attic) is needed.
Example: http://www.cciccweb.org/files/duravent_bventmanual-2-25-08.pdf
Thanks for the info and link.
If it’s a single wall vent it needs a vent thimble (heat collar). Double wall vent can be installed either with a thimble or with adequate clearances to combustibles without a thimble.
David the ( ounce of pervention-------- ) saying might go nice on you website.
Below you company name.
JMO.
Just what are you accusing David of here, Robert? :shock::shock:
Look at my site JJ.
" Forewarned is forearmed."
Did not mean to go off tract.
ounce of pervention-------- spell checker let it slip through. Opps.
Thanks JJ.