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Tronman

Stainability of a drum sanded deck

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Just wondering about the difficulty in staining a deck that had to be sanded with 60 grit sand paper to remove a blistered marine finish. The wood is smooth. Do we have to let it weather for a few months or can we just put several coats of oxalic acid to open up the pores. I am afraid that the wood pores are now filled and the wood is non-pourous and the stain will either not be absorbed or it will just turn out very very light.

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Ken,

You did not say what kind of wood you were drum sanding. Pressure treated SYP will probably be OK. Western Red Cedar, on the other hand, may not stain very well due to "burnishing" or burning the wood.

Some woods have natural extractives that will form an uneven film on or near the surface from a hard, heat generating sanding. This can make stain look uneven.

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