Just spray in large crack foam and you may not even need to move the cover.
How to close off a roof stack vent.
Just nail a board over the opening from the inside.
If the sink is the only vent on that pipe go to the attic and cut it off below the roof line.
Then on the roof remove the shingles in the area were the vent was cut out the sheathing from one rafter to the next in the area of the vent hole.
If windblown rain or snow is frequently entering the gable vents close them.
Twist the cap as you lift it off the end of the pipe.
I wouldn t even bother to conceal the outer cover houses have these kinds of covers all over.
Start by feeding the auger a short distance into the vent to check for an obstruction close to the vent opening that you might be able to pull out.
Read and follow the auger safety instructions then put on work gloves and eye protection.
The vents you re seeing are ridge vents on top and a soffit vent on the bottom.
Don t worry about an airtight seal.
If you close them off your attic will overheat in the summer and cause ice dams and water damage if it snows.
Attics need ventilation these openings are by design and critical to avoiding serious roof damage.
2 cut away the roof mastic where.
On the outside these vents are almost always covered with a downward angled cover.
It doesn t matter if these exhaust vents are ridge vents gable vents roof vents or some combination.