I’ve been trying to get into woodworking and finally built a simple side table, but I’m stuck on the finishing part. I applied a coat of tung oil and it just looks…blotchy and dull, not that rich, warm glow I was hoping for. I’m not sure if I didn’t sand enough before, or if I applied it wrong, or if this wood just doesn’t take it well. Has anyone else hit this wall with their first few projects?
That blotchy look with tung oil is common on first projects. The oil can highlight streaks where the wood absorbed more or less. If you have sanding scratches or if the surface was not clean you may see blotches. A light wipe and a thin second coat after it dries can help. Be patient the glow tends to come after a couple of coats and some buffing.
Blotchiness usually comes from uneven absorption. The fix is to even the surface and seal the pores before oiling. Sand to 180 220 and wipe with mineral spirits. Consider a preconditioner or a sealer coat and then apply thin tung oil coats. Don't rush wipe off the excess and let it cure between coats. Some woods drink it differently.
I figured tung oil would make the table look lacquered and shiny from day one. Turns out it is not a film finish and you cannot rub it to a glassy sheen. If you want that look you need a varnish or wax on top. So the dullness is not a moral failure of your technique it is mostly what tung oil is and is not.
Some folks jump to the idea that tung oil is magic and it is not. If the finish stays dull the wood might not take it evenly or your coat could be too thick. A different route like a wipe on varnish or a light polyurethane can build more and bring warmth.
Instead of chasing a warm glow think about how the finish reveals the grain and texture of the wood with the light in the room. A second coat or a different top coat might not change color much but it can change feel and durability.
Sand to 180 220 wipe clean then apply several very thin coats of tung oil letting each coat cure and wipe away excess. Buff lightly with 0000 steel wool between coats and finish with paste wax for a softer sheen. What wood species is the table made from?
Wood finishing is a long conversation with the wood. Tung oil will never be perfect on every piece but it teaches patience and the glow often grows as you learn how to read the grain and light.