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Posted by Boden on April 30, 2008, 9:23 pm
benick wrote:
> Last November I had the roof stripped and shingled and the chimney
> re-built above the roofline and the guy that did it said I should get up
> there and waterproof the chimney in the spring when it's warmer. Well
> it's spring and I want to do it but I was wondering what I should use? I
> have used Thompson's in the past(mixed results) but was wondering if
> that is the best stuff to use. What do the Pro's use? Thanks for any
> help.....
Thompsons is paraffin in an organic solvent. I used it on a
deck...once about 20 years ago. A mistake I won't make again. There
are several good masonry sealers available that are made from heavy
silanes. They are a much more appropriate choice.
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