In a message dated 12/17/1999 8:54:35 AM US Eastern Standard Time, mark@nhpianos.com writes: << she found a local outfit that applied a clear, stick-on coating that's supposed to block UV rays. I'm not sure what it's called, but his business card says that he's an authorized dealer for "Madico Products". I've also heard from another customer that Anderson Windows offers similar stick-on or paint-on UV blockers. >> I tune for a piano dealer with a wall of windows facing south. He put a UV blocker of some kind on the windows to protect the pianos, but since the pianos aren't there for all that long I don't know how effective it is. It is still hot when tuning a piano close to the window on a sunny day. However, with the sun at just the right angle and standing back a ways from the window and looking at the window with sunglasses on, you get a really neat rainbow effect. That exhausts my knowledge of UV window treatments. John Stroup
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