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Question DetailsAsked on 4/8/2013

repairing damaged wood windows

water damage to the wood, caused the wood to turn black but not rotten through.

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2 Answers


I'd love to be able to answer your question. To help me do so, can you be more specific about what you're looking for? Are you looking for service providers in your area, or just general advice about what to do to repair damaged windows?


Answered 7 years ago by JP


This blackness is mold. Scrape at it with a knife or scraper - if just superficial, then it can be killed with soaking with bleach (be careful not to bleach your other paint and siding in the process), scraped and sanded down to clean wood to remove ALL mold (use mask to avoid breathing in the mold), rebleach to be sure, prime, and repaint with 2 coats of good quality good matching exterior window and trim paint. You should be able to find a video on this on a home improvement show website.

If a substantial amount of wood comes away when you scrape at it or the frame wood is splitting apart, or if the wood is soft and "pithy" or "punky" over a substantial area and depth when you jab a sharp object into it, then you need a frame rebuild or total window replacement. A window contractor or building and millwork supply house can do this, although unless it is only a limited area or one piece of the frame, he is likely to tell you it is cheaper and more energy efficient to install an entirely new window unit.

If the window is normal bedroom/kitchen sized or smaller he would probably be right, since to do the repair he will usually have to remove the entire window and frame from the house, so once it is out it is much faster to just put in a new window unit, and the cost of the new window unit might be equal or less than the few hours work it would take to do a substantial repair.

Answered 7 years ago by LCD

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