Paint Incompatibility

Paint Incompatibility

Loss of adhesion where many old coats of alkyd or oil-based paint receive
a latex top coat.

Possible Causes
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.

Solution
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.

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