Why Is This Paint Peeling Off The Woodwork?!

Digital ImageSee the paint peeling off the woodwork? This happened when the hose from my Shop Vac brushed against the molding, and also when I removed blue painter’s tape that was holding plastic sheeting across the doorway.

A couple of things are going on. First of all, this is latex paint put over old oil based paint, which is not a good combination.

Second, and most important, the painter failed to properly prep the woodwork before painting. This woodwork in this 1950’s home was originally painted with oil-based enamel (wonderful stuff, IMO). But it is glossy and hard, and new paint will not stick to it. So it is essential that the old paint be either sanded (and then wiped clean of dust), or wiped with a chemical deglosser, to remove the sheen, so the new paint has something to grab and hold on to.

Latex paint is also not a good choice, IMO, because it’s not sticky enough, and because it is too rubbery and plasticy. An acrylic paint is preferable, and brushes can still be washed up with soap and water. Of course, I’m something of an old-school gal, and I think that when painting woodwork, oil-based the best way to go. Even then, you still MUST properly prep the surface, meaning sanding and deglossing and wiping off the dust.

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