Replies

1. 
   UncleDunc | Jun 08, 2004 03:22am | #1

   Cut out some stencils so you can irradiate just the light spots for four hours, then try exposing the whole surface for several more hours.

2. 
   jackplane | Jun 08, 2004 04:33pm | #2

   Belt sander. Take off the top layer and finish as you desire.Or oxalic acid works well on oak to lighten it.

   
   

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   Edited 6/8/2004 9:34 am ET by JACKPLANE

3. 
   Tao | Jun 08, 2004 07:45pm | #3

   It'll match pretty quick by itself, if you just leave it out in the sun.  A four hour lead time isn't much, and the surface color should even out fairly quickly.  The darkening reaction does go more or less to completion, so the darker the wood gets, the slower it changes, while the wood with less exposure is still darkening more rapidly.

   You can hurry it along a little by blocking the sun from the darker part with a mask or stencil as suggested earlier.  It will work, but to me it isn't worth the trouble.

   Oxalic acid is good for reversing iron and water stains, but doesn't take much natural color out of wood.  Two-part bleach is generally the product to lighten wood overall, but I don't think it's needed here.

   Michael R.

1. 
   Gravitas2 | Jun 08, 2004 10:38pm | #4

   Nice, Thanks guys, out in the sun it goes.