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Nate Nagel

wrote:
Nate Nagel wrote:
Was spot painting another area of my house yesterday... I'd taken
down a big mirror (permanently mounted) over my fireplace and cleaned
up the marks around it, patched the plaster around the boxes for the
wall sconces, etc. I started by shaving down the brush marks with a
razor blade and/or painter's scraper, then sanded with 80 grit, then
120 grit, patched some holes with patching plaster, went over
everything again with 120, primed with Kilz 2, then finally finished
with two coats of Benjamin Moore flat. (all paint was applied with a
3/8" nap roller, save for cutting in around the mantel, ceiling, and
window trim.)

Here's the weirdness. I remember after painting, stepping back and
noticing that there was a really noticeable spot at the upper left
hand corner of where the mirror was where there was a lot of the
texture of the old brush strokes from where the old paint had been cut
in around the mirror. I distinctly remember mentioning this and
making some comment about how I thought I'd done a better job prepping
than that. Went back today to remount the sconces and now it's barely
noticeable - if I hadn't known exactly what to look for and where I
would never have seen anything. Basically, what you'd expect from a
halfway decent prep job.

The only explanation I can think of for this is that the Kilz reacted
somehow with either some patching plaster or the old paint and bubbled
up, and then when everything dried it shrank back down to the wall.
Sound plausible? Should I make a mental note to sand that area back
down when I finally repaint the whole room, or not worth worrying about?

nate

Change in appearance of old brush strokes is probably just different
lighting....might show more when there is cross lighting than when there
is direct lighting. Didn't rush all those steps, I hope? Sounds like a
lot to do in one day.

No, it was definitely a change in the appearance of the wall... can't
even feel it now. I actually did most of the prep/filling on Sunday and
then the paint on Monday, so the patching plaster all set overnight.

nate

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