sanding between coats of paint


  #1  
Old 01-23-01, 07:27 AM
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I am preparing to repaint my hallway - lots of doors and trim, not too much wall space. The previous laytex semi-gloss paint is still in excellent condition but I want to change the color. Do I prepare the walls in any way other than washing? I expect the trim to take two coats, do I sand between coats? With what grade sandpaper? With steel wool? Do I use the same grade sandpaper in preparation for the first coat as well? Is the chemical sanding liquid a fair alternative to sanding? I've painted a lot, but always have some difficulty with trim paint peeling, and I've never sanded between coats before. thanks. P.S. The surface is a non-porous paneling.
 
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Old 01-24-01, 05:51 AM
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The walls will simply need to be clean prior to re-painting with a quality wall paint. The reason for your trouble for peeling paint on trim is probably because most trim is painted with an oil based paint and you are applying latex. To properly paint trim you will want to make sure it is clean, sand lightly to moderatly(depending on the condition)with a 220 grit and re-paint with a quality oil based paint OR after sanding apply an oil based primer (Kilz), allow to dry, sand lightly for smoothness and re-paint with the latex trim paint.

Latex applied directly over oil paint usually causes problems and must be primed before using the latex.

Hope this helps.
 
 

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