Inspect the roof for cracks, gaps, loose sealant, and damaged seams
Clean the roof thoroughly with a manufacturer-approved cleaner
Let the roof dry completely
Remove any loose, cracked, or peeling old sealant
Scrape and clean the area around vents, skylights, antennas, edges, and seams
Apply compatible lap sealant to all seams and penetrations
Apply self-leveling sealant on horizontal surfaces if required
Apply non-sag sealant on vertical surfaces if required
Reseal around roof accessories, trim, and fasteners
Replace damaged tape, flashing, or gaskets if needed
Check roof membrane edges and corner transitions for gaps
Use only sealants compatible with the roof material
Follow the sealant manufacturer’s cure time
Inspect the roof after curing for missed spots or voids
Recheck and maintain the roof regularly