Use a utility knife and a straight edge to make the cut.
How to shingle a roof ridge cap.
When installing ridge cap shingles to the peak of a gable roof you should begin at the end of the ridge opposite the prevailing wind direction for optimum ridge cap wind resistance.
This nailing area is right where you see the dabs of black asphalt cement that are just above the tab knockouts.
Step 3 place the ridge cap over the peak to confirm that the ridge cap will cover the visible nails of the last course of shingles.
Measure down 6 inches from the center of the roof ridge and chalk a line parallel with the ridge.
Also cover the exposed nail heads in cement.
Remove the shingle cap.
This is an area of the roof which requires extra care and skill.
There are a number of key steps you need to take to avoid mucking this part up.
Installing the last shingle on the ridge cap or roof isn t hard.
Put in one 2 inch long nail back 6 inches from the edge of the cap shingle.
Foundational aspects of ridge cap installation are covered in this how to install ridge cap video.
Insert a flat pry bar under the shingle cap and lift up on both the shingle and the nail head to loosen the nail then pry out the nail.
Start by removing the nails holding the ridge cap shingles in place.
This is a perfect video for a do it yourself homeowner a.
Create at least one ridge cap shingle by cutting a 3 tab shingle at the slot.
To finish a shingle ridge cap you should set the final shingle in cement.
This video shows exactly how to cut the last shingle use roofing cement nail the last shingle on the ridge cap then hide those nails.
For most asphalt shingle ridge caps there are two nails in each ridge cap one on either side of the ridge.
You can see me do that in the video below.