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Custom Restoration Guide 2018

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87 DIRECT-TO-METAL ( DTM ) SEAM SEALER— RESTORATION PD-1563M Caution: Wear the proper safety protection when sanding, cleaning, mixing and spraying all materials included within this process. When restoring vehicles that have been stripped to bare metal, it is important to reseal all seams. Door panels will start to rust if not sealed properly with seam sealer. Primer is not enough to keep water from seeping into the seams and starting rust between panels. Brushable seam sealer is designed for all general-purpose automotive sealing over bare metal seams. 1 Remove all coating from both surfaces to expose bare metal. 2 Clean all exposed bare metal with 3M™ General Purpose Adhesive Cleaner. 3 Insert 3M™ 8310 DTM Seam Sealer into Applicator gun, remove the end cap, and equalize the cartridge. Attach mixing nozzle and retaining collar and discard a small amount of sealer. 4 Apply 3M™ 8310 DTM Seam Sealer to exposed seam. Tool, brush, or form to achieve desired appearance. Do NOT apply over any primers and do NOT apply directly over welds. When applying 3M™ 8310 DTM Seam Sealer over existing seam sealer, make sure existing sealer is sanded with P80 grit and seam is cleaned. 5 Allow to cure at least 15 minutes at 70°F before priming or painting.

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