Sand these areas to bare wood and place-key by using a stain-killing primer/sealer before repainting. Where ever you sand down to bare wood, endeavor to blend or "feather" the sides the place the aged paint meets the wood so The brand new paint will lay flat, plus the paint edges http://cabinet-painters-near-me20629.qowap.com/52767104/how-to-clean-painted-wood-cabinets-an-overview