Seriously we do a lot of new construction,that provision in the mech. code was deleted ,but is contained in the buiding code,and is not in effect in Florida at this time.Originally posted by travisfl
From the 2003 IRC:Originally posted by dash
I think you'll find the sheet metal in the code "to be" adopted ,maybe this October.
- GARAGES AND CARPORTS
- - - R309.1.1 Duct penetration. Ducts in the garage and ducts penetrating the walls or ceilings separating the dwelling from the garage shall be constructed of a minimum No. 26 gage (0.48 mm) sheet steel or other approved material and shall have no openings into the garage. [/B]