Drive a nail through your attic to mark where you want your vent.
How to tar a roof vent.
Lay the tarp out flat over the roof.
As you work you will move back toward the end where your ladder is taking the bucket with you.
Roofing tar itself melts when heated and can stick to and gunk up blades.
Never lay the tarp out during a storm.
Check around the edges of your attic for any wiring.
How to cut through a tar roof.
Go into your attic.
Cut a piece of roofing membrane with a utility knife to cover the pipe opening in the roof and the now bare area where the flashing was on the roof.
How to install a roof vent method 1 of 3.
Cut a hole in the center of the roofing membrane.
Use small amounts and apply it with the roller in short smooth strokes.
If the tar has penetrated the protective mineral granules leave it alone or you might remove the granules.
Installing soffit intake vents.
Let the rest of the tarp hang off the lower border of the roof that overhangs the wall known as the eave.
Tar the roof keep your tar bucket close to you as you start spreading the tar on the surface with the roller.
Adding static exhaust vents.