Asbestos on Duct?

04-03-2012, 07:24 PM	#1
mk00 Newbie   Join Date: Feb 2012 Posts: 11	Asbestos on Duct? Could this white material be asbestos? House was built in 1950. Attached Thumbnails

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04-03-2012, 07:49 PM	#2
beenthere An old Tradesmen   Join Date: Oct 2008 Location: PA Posts: 18,627	Asbestos on Duct? Good chance it is.

04-03-2012, 08:59 PM	#3
TarheelTerp MarginallyQualified   Join Date: Dec 2011 Location: Winston-Salem NC Posts: 2,549	Asbestos on Duct? And this is duct mastic. Get some and use it to seal all the joints of your system as well as to encapsulate the white stuff. Attached Images

04-04-2012, 02:15 AM	#4
Mr.HVAC Member   Join Date: Jan 2010 Posts: 74	Asbestos on Duct? HAHA! Yea get some of this stuff and seal it all around. Yea, that stuff is abestos, most like it's asbestos tape. YOUR FAMILY WILL DIE! Just kidding. Dont worry, that is too little to do any harm. Just seal it good. Make sure you don't eat it. Quote: Originally Posted by TarheelTerp And this is duct mastic. Get some and use it to seal all the joints of your system as well as to encapsulate the white stuff.