Solar installation should begin with the roof's remaining service life and mounting details. GAF highlights flashing, roof access and the cost of removing equipment if roofing work is later needed.
GAF technical bulletin: Installation of solar pv panels over a GAF shingle roof.
What this means for your roof
Solar installation should begin with the roof’s remaining service life and mounting details. GAF highlights flashing, roof access and the cost of removing equipment if roofing work is later needed.
A useful question for your contractor
Ask who is responsible for roof penetrations and future panel 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 revision: February 1, 2021. This is the date of the manufacturer source, not a claim that this website guide existed on that date.
Read GAF: Installation of solar pv panels over a GAF shingle roof
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.