Insert the bar under a shingle and pry upward at a.
How to repair tile roof valley.
Start at the upper row of shingles at the upper end of the valley.
Video recorded while doing a tile repair the usual valley repair that leaks when the water run off the valley metal hope you like it.
Remove 8 inches of shingles at each side of the valley with a 16 inch nail bar.
A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water.