Inspect the roof for damaged, missing, curled, or loose shingles
Check for soft spots, leaks, or damaged flashing around chimneys, vents, and valleys
Choose a dry day and use proper fall protection
Gather replacement shingles, roofing nails, roofing cement, pry bar, hammer, utility knife, and sealant
Lift the shingle above the damaged one to expose the nails
Remove the nails from the damaged shingle with a pry bar
Slide out the damaged shingle
Cut a replacement shingle to match if needed
Slide the new shingle into place
Nail the replacement shingle in the correct nailing zone
Cover nail heads with roofing cement if required
Seal any lifted tabs or edges with roofing cement
Replace any adjacent damaged shingles
Check flashing and reseal or replace if damaged
Press shingles flat and ensure proper overlap
Inspect the repaired area for secure placement
Clean up debris and dispose of old shingles properly