If following any of the installation steps would endanger a worker the erector should stop work and decide upon a corrective action.
Roof jack installation instructions.
The metal i m using is called crinkle black i purchased all my materials at h.
Apply caulking compound on the underside of the roof flashing to form a continuous strip about 1 1 2 wide around the underside of the perimeter of the flashing.
Install only roof jack assemblies listed in table 4 on this heating appliance.
Way to install the roof system.
With these instructions you will soon be a pro at installing roof jacks and get your roof done in no time.
Apply caulking to roof flashing.
In this video i cover installing a roof boot for a vent pipe in a metal roof.
These instructions are provided only as a guide to show a knowledgeable trained erector the correct parts placement one to another.
Boss roof jack sealant lower solid door part 7900 7611 finger tab duct connectors 7990 6211 1 duct connector.
Determine ceiling height and subtract height of furnace dimension b in figure 16.
1 roof jack assembly 1 barometric damper 1 small front cover plate 1 large front cover plate 1 slide in damper 12 sheet metal self tapping screws used on roof jack assembly 2 apron 2 collar 1 flex duct 18 inch diameter by 7 feet long not included screws or nails to mount roof jack assembly onto roof roofing sealant caulking duct tape.
Optional slant deck flashings roof jack slant deck.
Raise the roof jack crown by 18 inches.
Roof jack assembly 129098 uim h 1011 caution use 1 2 1 27 cm blunt or sharp end sheet metal screws to fasten com int roof jack combustion air pipe to furnace combustion air collar screw holes are provided in pipe and collar.
Recommended roof cut out for roof jack.
Installing the roof jack 1.
The recommended roof cut out is depicted in figure 5.
Remove upper and lower cap.
1 determine depth of ceiling cavity from center of roof opening to center of ceiling opening dimension a in figure 16.