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How to remove a mulberry stain from unfinished window sash??

ridgedweller's picture

How to remove a mulberry stain from unfinished window sash?? (post #168421)

ridgedweller on Thu, 07/28/2011 - 13:35
in

Please help!  Anyone know the best way for me to remove mulberry stains (from bird droppings) from my brand new, expensive unfinished windows?!?   The wood is very light, and unfinished.  The windows were just installed in our new home, and have not been stained and varnished yet.  Some crazy birds got in the house while contractors were there working, and before we could get them out, they left droppings on the window sills.  Unfortunately, they have been dining at the nearby mulberry tree.  By the time I found the stains, they were dried.  Baked in really, because the house is closed up (execept for the doorway the birds went in and out) and the weather here has been in the 90's - with heat indexes in the 100's....so it has been HOT in the house.  Any way to remove the stains without wrecking the window or spreading the stains worse?? 

-A +A
roc's picture

Howdy (post #168421, reply #1 of 2)

by roc in reply to ridgedweller [original] on Sun, 08/28/2011 - 11:36

Some suggestions :

Enter another post in the "Finishing " section of this forum

http://forums.finewoodworking.com/fine-w...

 

Also try this forum

http://www.woodcentral.com/woodworking/f...

 

I am GUESSING but I suspect you can simply scrape the debrise off then wash the residual debrise off in the stained area with soap and water, let it dry, sand or scrape the remaining stain off.

 To make the surrounding surface of that one board look right sand or scrape the whole board for a consistent looking surface.  

roc

Give me six hours to chop down a tree and I will spend the first four sharpening the axe. Abraham Lincoln ( 54° shaves )

bones's picture

bleach (post #168421, reply #2 of 2)

by bones in reply to ridgedweller [original] on Mon, 08/29/2011 - 06:24

Get as much off as you can clean with TSP, and sand to get as much as possible.  For the faint remainder you can try wood bleach, but you will change it's color and I mean different, so to make them all consistent you might even need to do them all to match, then color, then finisth with a varnish.   I'd definately test in a small area like under a sash to see the effect since you don't mention the wood type.  That should get it back but again I can't stress this enough test!

...For that old machine lovers:  http://vintagemachinery.org/home.aspx