Flex Seal?
#1
07-23-17, 02:52 PM
Join Date: Jun 2017
Location: USA
Posts: 785
Flex Seal?
Has anyone used Flex Seal? It's been advertised on TV to stop leaks in windows, roof tops, pipes & a host of other things. They have a funny sales video that shows how the sealed a pickup truck & made it into a submarine.
https://www.flexsealsale.com/FLXSL/5...948&otsid=2499
https://www.flexsealsale.com/FLXSL/5...948&otsid=2499
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#5
07-24-17, 09:04 AM
Member
Join Date: Sep 2016
Location: USA MI
Posts: 2,527
Most people use it on gutters.
Now I had a bigger mess to fix, got it cleaned up, used proper gutter sealers, leak is gone!
People love the quick fix but seldom does it really work as intended.
#6
07-24-17, 09:12 AM
Forum Topic Moderator
Join Date: Mar 2005
Location: USA
Posts: 43,792
I used it [might have been an off brand] on the insulated fiber board return air box for my heat pump. It worked well for that but I'd be leery using anything like that as fix for leaks. When it does work I'd expect it to be just a temporary fix 
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