Depending on how the roofs join you may have to cut a slot to work it in far enough.
How to repair flat roof edge.
Suitable for cracks in felt asphalt and lead.
Step by step how to repair a roof edge.
809 p71656 a 6 strip off felt pushed in as far as you can up to 3 then a further squirt between felt and roof to give a seal.
Suited for repairs to felt concrete and asphalt.
On some roofs you may need to remove a couple of shingle nails to make some room to work.
Cut around the damaged area until the membrane rests flat.
Their position at the edge.
The trick with any flat roof repair is use the right repair material on the right type of roof.
Install roof drip edge along the eaves add underlayment then place drip edge along the gable end.
Slide the flat bar under starter course and pry out the nails.
And not to use too much of it making it uneconomical messy or potentially more difficult to repair replace professionally later on.
For most small punctures you can repair your roof simply by forcing sealant into them.
The best way is to install the roof drip edge only along the eaves first then place ice and water barrier in the snowbelt or felt paper underlayment over the drip edge.
The eaves at the bottom of a roof and the gable ends that run up the slope are often the first to show signs of rot and damage.
Use a flat pry bar to remove drip edge nails along the eave and rakes.
You may need to use a putty knife to break the seam between the first course and the starter strip.
Sometimes doing that is difficult.
Find out how to fix a kerb edge in this detailed instruction video.
Complete the finish of a flat roof installation with permaroof kerb trim edging.