Climb on the roof and cut away any shingles still covering the hole then spread roofing tar around the perimeter of the hole.
How to attach a plenum to a roof jack.
Seal the tabs at both sides of the collar with duct tape.
Then screw the ply to the roof deck.
Then just connect the feed duct to it and put a few short screws through it and wrap it with aluminum tape.
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Tack nail it in a few places so it stays where you put it.
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Isley s home service inc.
We re installing roof jacks.
Insert the lower end of the collar into the end of the duct riser at the cooler platform and fit the apron at the upper surface of the.
Stainless steel roof jacks are available.
All connections inside the home must be made below the ceiling.
This is a short training video to show technicians and homeowners how to properly install flex duct to plenums.
Rg ro furnaces may be used with roof jacks as tall as 170 excepr t g1 056m odesl w hci ha remil eti d ot 1 20.