Getting good adhesion is the most important part of paint over varnish. Dulling the varnish by sanding, and then using a GOOD bonding primer is more important than the finish coat . With out a good foundation, the paint will fail.
"It's better to come here with questions before you screw up than to come here after and ask how to fix them."- JS
The Following User Says Thank You to Brushjockey For This Useful Post:
yea ,you have to sand,wash first to remove lemon pledge or what ever .rinse clean ,dry,then lightly sand .i like 3m sand paper 180 grit.sand every inch.its not a big deal,really.remember your not making saw dust you are only deglossing.say a chest of draws 1 hour tops.oh yea we have systems in place to know if you did it or not