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Sanding Porch for Stain - How Smooth?

Posted by annec (My Page) on
Sat, Jun 25, 11 at 12:16

I'm staining pressure treated pine studs/uprights for a screened-in porch. Do they need to be sanded very smooth first? I already sanded to remove the rough and dangerous bits. I'm not concerned about their being smooth to the touch, just how the stain will look.


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RE: Sanding Porch for Stain - How Smooth?

Electric sander of some kind, I hope, for the sake of your arms and shoulders.
Depends on the method and what kind of stain.
Light stain, I'd say 120 grit with the random-orbit. Dark stain and varnish, straight-line sander to 150.
Casey


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RE: Sanding Porch for Stain - How Smooth?

Thank you, Casey. I do have an orbital sander. But I'll be using dark stain for exteriors. I'm not familiar with a straight line sander. Does it go along the grain?


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RE: Sanding Porch for Stain - How Smooth?

Just don't go overboard with the sanding, SYP has a good deal of variance in density between earlywood and latewood. It's easy to get a rippled texture with over-sanding. There was a thread here a few months back about a piece that had rotary cut pine and was over-sanded and stained dark. Looked terrible, IMO.

It's probably not the best sanding dust to breathe, either, hook up a vac to your sander.


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