A.Former painting contractor Ed Fillbach responds: Before removing the door from its hinges, wash the door with warm water and common household detergent. Rinse the door well, and allow it to dry. Remove the door to a cool area (55ºF to 65ºF) and lay it across sawhorses at a comfortable working height. Be sure to cover the floor area to avoid damage from spilled paint remover. Remove the door hardware.

The best paint removers are citrus-based, and can be bought at any paint store. They’re effective for removing either latex or oil-based paint and won’t damage the fiberglass.

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