https://www.3m.com/3M/en_US/collision-repair-us/applications/seam-sealers-and-coatings/general-seam-sealer-sop/
3M provides these standard operating procedures (SOPs) for general seam sealer application to help you achieve a high-quality seam sealer repair that lasts....
seam sealerscollision repairusegeneral