We just built a cedar deck for our house and I'm curious what the best
finish would be to protect it?
Although Thompsons Waterseal gets a lot of advertising, I seem to recall
reading a lot of negative reports about it.
We've used Olympic stains on our current redwood deck with decent results,
but they seem to need reapplied every two years to stay looking good.
I'm not sure yet if we'll stain the wood, or just put on a clear protector.
Over time, the UV rays will weather the cedar. If you like that, I'd stick
with a good brand of oil based treatment. Avoid things like polyurethane as
they will have to be redone too frequently and look very shabby after a few
years of sun. (as compared to a good oil finish) Olympic or Cabot is good
Just sealed mine with Cabot's after searching the boards, lots of recs for them.
I think they rated at 4 years with Consumer Reports, years ahead of Thompsons.
At $28 a gal it's pricey, but if it lasts like the claims, it will be cheaper
and less work in the long run.
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