An AT reader from Germany sends us this query:
I bought a Steen Ostergaard Cantilever 290 chair a few days ago. The chair is in a great condition, just the white isn't so white anymore. So I'd like to know if there are any (DIY) ways to make the white pop again? -Sascha
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We're so envious you were able to find these vintage Steen Østergaard's chairs...they're absolute stunners. The bad news is that the ABS has likely discoloured due to natural aging via UV light exposure (yeah, even furniture can get a tan), and this change cannot be reversed. Note, please do not try to re-whiten using bleach...this will ruin the material further.
One option is to have the piece painted with a plastic specific spray. You might want to even inquire with a local auto body shop/painting facility and see if they can apply a plastic enamel; but if you insist on a DIY solution, remember to repaint after sanding gently and apply several thin coats to get the best and most even finish. Otherwise, learn to live with your beautiful pieces, stains and all...
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The chairs are beautiful, please don't do anything to change the natural patina. This is what separates what you have (true vintage) from new! They're beautiful.
view stt64's profile
kartell has a plastic cleaner and the old stand by used by pros, Novus.
http://www.apartmenttherapy.com/ny/cleaning/kartell-plastic-cleaner-kit-022486
http://www.novuspolish.com/
On another note: Herman Miller fiberglass chairs clean up nicely with bleach and water and finished with a nice coat of auto wax.
view ENTENZA's profile
I would start off cautious with soap and water. You can move to baking soda or soft scrub to get out other stubborn stains but test first. And, don't use a scrubbing pad as they can leave color marks.
I have to agree with stt64 about the keeping the patina, but you don't have to live with stains.
And, Entenza has a great tip with the wax.
view SBDesign's profile
Almost all white plastics eventually turn that ugly yellowish/beige - It's just the way it is, and there's no reversing it.
There are Krylon paints made specifically for plastic - but I'd hesitate using this on vintage chairs such as yours.
view bepsf's profile
if the damage is caused by UV rays, there's really nothing that can be done short of spray painting them. if it's dirt or grime, you might have an easier time.
view dmh's profile