| http://www.w3.org/ns/prov#value | - no, you dont need to sand the base before laying out flames. base is not like clear or primer, you can lay one layer over the next without sanding. if the base has sat for a long time, maybe 3-4 days or more than you might want to mask for the flames then run a scotchbrite over the taped off area but thats it. best thing to do is base out the whole panel, let sit for an hour or two then mask and sp
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