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View Full Version : What kind of ductwork is this and how do you take it apart?



winchman
09-21-2015, 12:39 PM
http://img.photobucket.com/albums/1003/winchman/ductwork%20and%20whiteboard%20002_zpsqb6i6k8c.jpg

It's in a really hard to get to place, so I want to know what I'd be dealing with before I get there.

EddyCurr
09-21-2015, 01:15 PM
I believe it is similar to the Rolastar product (http://www.rolastar.com/rola-tdf.html) pictured below

Courtesy: Rolastar
http://www.rolastar.com/images/tdf-i.jpg

Flanges are formed on the edges of the duct.
Duct sections are positioned together, sandwiching
a gasket.
Channel-shaped cleats are placed over the flanges
Your cleats appear to take fasteners.
Two L-shaped Corners tie the cleats together and
fasten to each other.
.

EddyCurr
09-21-2015, 01:29 PM
My vote is that the hardware used in your photo is
the Ductmate 25/35/45 connection system (http://ductmate.com/product.aspx?id=2) for
rectangular duct.

If so, here is some literature


DuctMate '25'/'35'/'45' Rectangular Duct System (http://www.plenumsplus.com/media/Ductmate.pdf)

A video that may be useful (my present machine
is not Flash-enabled)


Ductmate Industries Inc. 25/35/45 Flange System Instructional Video (https://www.youtube.com/watch?v=R81wH0kk7Z4)

.

Stu
09-21-2015, 02:38 PM
the double individual clips on each side hold it together, there will probably be some sort of butyl sealant in the joint. You might have to make some slack in the hangers to get it apart.

Stu

winchman
09-21-2015, 05:57 PM
Thanks for the info. I see the need for a special tool I do not have for dealing with the clips, and from what I can tell, there's no room to move the adjacent pieces up or down to get the short section out.

I think I'll leave this for the maintenance department guys. They'll probably get around to it in several months. :(