Lift each tab slightly on the shingles as you install them and apply a 1 2 5 cm diameter spot of shingle cement under each tab.
How to repair a 3 tab shingle roof.
Repeat this procedure for the remaining three nails.
If a head is covered put the nail in the old hole and put something flat and large on it.
Reseal under edges of all three shingles.
Slip the pry bar under the damaged shingle and pry upward.
Then push the pry bar under the shingle directly above the damaged one and remove the second row of nails the same way.
Once the nail pops up about 1 4 in remove the pry bar press the shingle down and pull out the nail.
The best way to repair a t lock shingled roof is to have it replaced typically this will be covered by insurance.
Removing 3 tab shingles using a flat bar to do a repair.
Make sure it looks right and lines up properly.
If there are nail heads that are not currently covered by anything if multiple rows removed then create new holes in the roof to hold the shingle by moving the nails over.
Remove an undamaged shingle from the roof and use this as a pattern to cut new shingles from the rolled roofing.