Crown Molding

01-07-2013, 01:23 AM	#1
bcgfdc3 Member   Join Date: Jan 2012 Location: Pittsburgh, Pennsylvania Posts: 120	Crown Molding Hello all, I just put up all new drywall in my living room and I was thinking about using crown molding at the ceiling. My question is that if I am using crown molding do I still need to mud and tape the ceiling/wall joint? Thanks

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01-07-2013, 01:32 AM	#2
joecaption Member   Join Date: Nov 2011 Location: Hartfield VA Posts: 18,115	Crown Molding Yes to seal the envelope, other wise air will leak into the attic. But you can get away with just one coat of mud.

01-07-2013, 01:35 AM	#3
bcgfdc3 Member   Join Date: Jan 2012 Location: Pittsburgh, Pennsylvania Posts: 120	Crown Molding I appreciate the fast response and understand what you are saying but prior to hanging my drywall I added a 6 mil vapor barrier that came down about 6 inches onto the walls where I glued it to the top plates. I will still proably add the mud and tape anyways, just curious if I had too.

01-07-2013, 06:03 AM	#4
oh'mike Super Moderator   Join Date: Sep 2009 Location: Kane county,Illinois Posts: 16,245	Crown Molding Yes,you do---that single layer of tape and mud is called 'fire tape' and will slow down the advance of a fire into the plastic you used as a vapor barrier. __________________ New members: Adding your location to your profile helps in many ways.--M--