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New coatings do not adhere well
to high-gloss surfaces, so it is recommended that all glossy
areas be dulled for the best primer or paint adhesion. Use
a fine grade sand paper. After sanding, remove any dust
with a damp cloth.
Chemical deglossers are also available, but require care
and caution. Leaving the product on the surface too long
can soften and wrinkle the old coating. Make sure there
is ample ventilation, open windows and use fans to keep
the fumes from building up in the room. Follow all manufacturer's
instructions and treat these products as strong solvents,
exercising safety precautions with protective goggles, gloves,
respirator, and clothing.
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