GAF distinguishes small cutting slivers from missing or damaged full shingle teeth. Pulling an attached fragment can create damage that was not there before.
GAF technical bulletin: Dragon tooth slivers on asphalt shingles.
What this means for your roof
GAF distinguishes small cutting slivers from missing or damaged full shingle teeth. Pulling an attached fragment can create damage that was not there before.
A useful question for your contractor
Ask the installer to identify the condition before attempting removal.
Ask for the answer to be tied to the actual roof condition and the exact product being installed. Keep the agreed repair or installation detail with your estimate and project photos.
Bulletin dated: October 25, 2024. This is the date of the manufacturer source, not a claim that this website guide existed on that date.
Read GAF: Dragon tooth slivers on asphalt shingles
This homeowner summary explains the cited bulletin. The complete manufacturer document and current product instructions govern the installation details. A requirement for one manufacturer or product should not be transferred to another without checking.