Canvas / flexible conectors

[adamf79]

looking for a good source for canvas / flexible connector in an add size. i can work with something that is 1 1/2" 1 1/2" or 2" and 1 1/2"- that is metal canvas metal. can find anything in that size anywhere. most have 3" of canvas in the middle and I only have about 4.50" to work with maybe 5". any input will be great

[oldguy1949]

Like we did in the old days, make it

[adamf79]

Like we did in the old days, make it

It starts looking like that is going to be my only way. This is when I miss my old man as he was one of the "old days" HVAC guys and will whip one out from nowhere.

[David Goodman]

Trim the metal down to 1" on each side. I don't think you will destroy any "listing" or standard in doing so. Then you would have a peice that is 5" wide instead of 7".

[Poodle Head Mikey]

Can you cut back either the duct ends or the metal edges of the available rag-joint material to get to where you need to be? Or both?

PHM
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looking for a good source for canvas / flexible connector in an add size. i can work with something that is 1 1/2" 1 1/2" or 2" and 1 1/2"- that is metal canvas metal. can find anything in that size anywhere. most have 3" of canvas in the middle and I only have about 4.50" to work with maybe 5". any input will be great

[adamf79]

Trim the metal down to 1" on each side. I don't think you will destroy any "listing" or standard in doing so. Then you would have a peice that is 5" wide instead of 7".

Can you cut back either the duct ends or the metal edges of the available rag-joint material to get to where you need to be? Or both?

PHM
--------------

That was the plan untill I re mesure yesturday and I only have about 4" to work with. So now im tryint to figure out and see how I can do this. Maybe do 1" metal on one end. and bent it to sit on the top of the coil flange. then 3" canvis and 1" for s connection. should be total of 4.5" .5" shoudl be that big of the deal.

[Galt]

what will a wrinkle hurt

[adamf79]

what will a wrinkle hurt

Will be right above the case coil don't want to restrict too much of airflow.

[pecmsg]

Don’t most systems require 24 or36” of straight pipe before bends, takeoffs, transition?

[adamf79]

Don’t most systems require 24 or36” of straight pipe before bends, takeoffs, transition?

Never hear off. Lol 😆

[oldguy1949]

Will be right above the case coil don't want to restrict too much of airflow.

Wrinkle is fine. Could you make it to slip on the outside of the existing duct not using s/drives , just screws & mastic .

[thatguy]

What’s the point of using the flex if you are just going to pull it so taught that it’s basically hard?

Cut back the metal so that you have a 5” finished flex duct then insert it into that 4” space. It will work like it is supposed to and isolate the vibrations from the unit. It will also be much easier to install. That’s your solution and it also happens to be standard practice so win-win for everyone!


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