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- Tue Jul 24, 2012 10:05 am
- Forum: Green Building
- Topic: Black stains appeared overnight on my new oak windows - help
- Replies: 9
- Views: 16188
Re: Black stains appeared overnight on my new oak windows -
Hi Mew, I know it's a few years since you posted about black stains on your oak windows, but I wondered whether you have any updates that may be useful for me. I recently had some large French windows built out of oak and installed (last October). We used a high build exterior oil recommended by the...