Discoloring on custom bookshelf - ideas?

Old 05-30-23, 03:25 PM
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Discoloring on custom bookshelf - ideas?

Had this custom bookshelf built ~8 years ago. It was sprayed with a water-based stain. This year, spots started to show, almost looks like the stain dried out. Any ideas why this happened now? is. there a name for this type of discoloration? is the only option to fix it to re-spray it?


Old 05-30-23, 05:21 PM
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Since you can see the stripes on the left, a pattern on the lower right above the outlet and lighter areas on those seams on the top middle section, my guess would be that there were adhesion issues... maybe some of it due to the way it those joints were filled (or maybe what type of filler was used) and sanded or the way some of it was prepped. This can sometimes happen when spraying finishes that dry quickly. Yes, it probably needs to be refinished.

And I would assume you have a clear finish of some type over the top of your stain. It's possible the problem is only with that clear finish... but it's hard to say from just a photo.

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