General Questions
Application Tips
Common Paint Problems and Solutions
 PAINT INCOMPATIBILITY
Loss of adhesion where many old coats of alkyd or oil-based paint receive a latex top
coat.
Use of water-based latex paint over more than three or four coats of old alkyd or
oil-based paint may cause the old paint to "lift off" the substrate.
Repaint using another coat of alkyd or oil-based paint. Or completely remove the
existing paint and prepare the surface cleaning, sanding and spot-priming where necessary
before repainting with a top quality latex exterior paint.
| PORTER SYSTEM RECOMMENDATION
|
Oil Finish:Over Existing Paint - One coat of EASY-HIDE Gloss Alkyd House Paint No. 507
Primer:Converting to an All-Acrylic System - One coat of ACRI-SHIELD Acrylic Bonding
Primer No. 515
Acrylic Finish:One or more coats of Super Premium ACRI-SHIELD Acrylic Finish No. 519 Flat,
739 Satin, 619 Gloss
Or
One or more coats of ACRI-PRO 100 Acrylic Finish No. 929 Flat, 3729 Satin, or 6029
Semi-Gloss
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