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Posted by Dennis on June 5, 2007, 6:41 pm
The duct is probably made from galvanized material in 4 ft. sections. Should
be easy enough to remove a 4 ft. section in the area you need to reinforce
and add the structural reinforcment. If you careful, the duct should go back
together without any major leaks. (But use alum duct tape anyway.)
" >I have to reinforce part of my subfloor on the first floor. There is
access
>from below in the finished basement. The spot is just above a 6" x 12"
>supply duct. Because I have hardwood floors I cannot access from above.
>
>What are my options? I am thinking about cutting out a large section on
>each
>the top and bottom, then screwing in a plate later to seal it up.
>
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