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Posted by Red Green on May 26, 2008, 11:50 pm
>
>> Is it safe to assume that whatever paint doesn't come off the siding
>> with a high-pressure jet of water is OK to leave in place and paint
>> over -- with primer first, of course?
>>
>> Or does it still need a good scraping and/or wire-brushing?
>
> It needs scraping. I just power-washed a wall. and only part of the
> loose paint came off. A ton more came off with the scraper.
>
> If you use the power washer enough to get _all_ the loose paint off,
> you'll damage the wood.
>
> Note: Wait a few days before priming to let the wood dry out.
Absolutely ditto to what Steve said.
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