If there are repairs to be done on the roof replace worn out tiles and make sure the entire surface is covered.
Repairing roof edge.
Save yourself some.
First roughen the area around the hole with a wire brush or sandpaper and then clean it.
Once you repair the hole in the roof plywood you need to seal up the seams and recover the roof.
Then reshingle sliding metal step flashing behind the fascia board the trim behind the gutter.
Staple it to the roof decking or nail it with plastic capped roofing nails.
It should be adhered directly to the sheathing and it should extend approximately 1 1 2 past the sheathing edge then the front edge of the membrane should be folded down onto the fascia.
Force the mold away from the roofing a few inches at a time then lift off the entire piece in one section.
Starting at one corner of the roof wedge a pry bar into the narrow space at the top of the shingle mold the thin wooden strip that sits just below the shingles.
It should overlap another piece of ice and water barrier laid below all the way down to the roof edge.
Place the metal roof drip edge flashing along the gable ends.
Change a rotten or damaged fascia board.
Once all the underlayment is applied go back and place.
Small holes or corroded spots in flashing can be easily repaired.
It was very easy.
Step by step how to repair a roof edge finding the damage.
Lay felt paper onto the roof overlapping the existing paper to get good coverage.
How to fix a roof drip edge installing roof drip edge flashing properly.
Install roof drip edge along the eaves add underlayment then place drip.
Use a soft brush to wipe away debris particles and dust that build upon the verge as a result of chiseling.
This should cover the most leak prone areas.
Any damaged plywood should be replaced.
Cover the seams between the old and new decking with bitumen tape.
Obtain clean water and wet the surface using a brush.
To locate rotted areas of the roof s edge gently lift up shingles with a pry bar or taping knife.
Plug pinholes with roofing cement and patch holes up to about 3 4 inch in diameter with a patch from the same material as the flashing.
Ice and water shield there are many brands should be applied all along the bottom edge of the roof.