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Red Oak Stair Treads...Is that sap?!?

3K views 6 replies 4 participants last post by  Maintenance 6 
#1 ·
Hello,
I bought red oak stair treads from one of the big box stores. They came sanded to a 150 grit finish. I sanded them to a 220 grit finish then stained them with oil-based stain. I did two coats of stain and as it was drying noticed that there are small wet spots on the wood. It looks to me like sap as it is coming from the darker grains of the wood-if that makes sense. What can I do about this? I want to make sure the boards are completely dry before the poly goes on as I don't want issues with the poly adhering to the boards. Any suggestions are greatly appreciated.
Thanks,
Heather
 
#3 ·
If your board does in deed have sap you would easily be able to tell as it will be spots of extremly discolored wood. I deal with red oak treads at work everyday and the sap wood is a solid grey in color and is easy to pick out. Are you sure its not water stains?
 
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