Before you can insulate your attic you need to properly seal the chase for the furnace vent pipe.
How insulate gas attic vent.
The flue is the metal tubing that extends up from the top of your gas furnace or water heater that carries the carbon monoxide gas from the heating unit to your.
A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling.
Attic hatch or door.
Unless your furnace is older than the 1980s you are probably dealing with double walled vent piping.
With a finished attic insulation must help keep the attic areas comfortable.
That means insulating the attic floor only not the walls and having vents in the roof.
Tip insulating a kitchen range vent hood is a good idea for safely removing carbon monoxide natural gas and odors through duct work that directs these pollutants outside the home.
Pull down stair or ladder.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.
Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.
Step by step guide to sealing furnace vent pipe.
How to insulate a metal flue pipe.
Affix rigid foam insulation to the attic side of the hatch or door.