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rocketdoctor 06-24-2009 02:10 PM

Sealing Cedar Siding
I have installed new Cedar Siding on my house and sealing it with a clear pigment. Its been a few days since I have done this and I have noticed that some areas have a bit of a sheen because the sealer was on a little thicker or the siding didn't absorb it enough.

I want to make it look consistent and put on another coat. should I use a fine sandpaper or steel wool to the spots where the sealer is thicker and shiny?

NAV 06-24-2009 03:28 PM

Hmm, what material did you use? brand, latex, oil?

the thing with wood sealers is they are designed to penetrate into the wood. there is a critical time when they can be 2nd coated without giving you a shiny finish. the shiny finish is because where you overlapped the material it may have been dry. what were the conditions when you applied the material - hot and dry, sunny?

If i was you, I would let it weather for a few months to a year. see if the sheen becomes more uniform. My opinion is you are stuck with what you have unless you want to make the entire surface glossy. the material will fail prematurely if you apply another coat too.

My final thought is: you now know the difference between a professional job and a DIY job.

rocketdoctor 06-24-2009 03:57 PM

Thanks for the info I heAr you on the diy and pro comment I've spent a fortune already on the prosthis year and now only have the DIY option

4ThGeneration 06-24-2009 11:04 PM

You still need to clean the wood properly before you seal it. What probably happened was the paraffin wax they use to protect the cedar is not allowing the new product to penetrate evenly. You should have lightly stripped the cedar and pH balanced it right after. It looks splotchy because of the old residue on the cedar.

rocketdoctor 06-24-2009 11:31 PM

must have been a really light wax I didn't see any residue on it and looking other unfinished pieces can't notice any.

4ThGeneration 06-25-2009 06:53 AM

All the protection they put on the wood is cheap and quick for a temporary fix. It is a weak mixture of paraffin wax and mineral spirits. Basically Thompsons water seal, but it usually wears off in like 6 months, but if you can not wait just re strip the finish with a light mix, pH balance wait a couple days and seal. I would say use something a little more than straight clear. Use Armstrong Clark natural toner. That would be better than straight clear...

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