attaching rectangular duct ??


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Old 01-03-04, 07:51 AM
trance's Avatar
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Question attaching rectangular duct ??

Hi - I'm replacing some 3.25" x 12" duct in a wall. Have
removed the old duct and purchased new at the big box
store. How do I attach the sections of new duct to each
other? they have straight tabs at the ends. I have some of
the cleat material, but can't seem to get the back cleat
to come together, because the wall is accessible only
from one side. help!
 
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Old 01-03-04, 08:08 AM
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Lightbulb Duct work

You use a Slip in the front and back. Its like a big S. Put a screw on each side and duct tape it if you want . ED
 
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Old 01-03-04, 09:46 AM
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thanks ed, what is a slip? is that the same as the cleat?

thanks.
 
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Old 01-03-04, 10:12 AM
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Exclamation Duct work

A slip --- its like I said a big S flat and 1" wide. the lips of both ducts will slip right into it. The sides of the duct just have it slip over the other so it goes with the air flow and a screw on each side here. If by cleat you mean the drive If so it would look like a big C and you flatten it some. Id forget it here on just the wall stack. ED
 
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Old 01-03-04, 10:33 AM
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not gonna be easy. i assume the bottom back is where you are having trouble with the snaplock seam. open the seam with a screwdriver, and do the best you can. can you remove the duct to access the inside of this seam?
 
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Old 01-03-04, 10:43 AM
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thanks guys, the s-thing is what I have, I've been calling it a cleat.

once I understood that I should be using that at all (!) I was able
to slide the back one on, and slide it up high, then get the back in while sliding the front one in. this, combined with some tape at the sides looks like it'll do the trick.

seems like there should be a different system, but this works!

it helped to look down the duct too, see how I was doing. this little job got big in a hurry...but done now...

thanks again.
 
 

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