You do not need to remove all the shine, but you must dull the surface significantly. Begin by cleaning the surface with a degreaser to remove dust, cobwebs, and any residual oils from fingerprints.
Latex Over Oil Painting Guide: Essential Steps for Success
In this case, you may need to lightly sand the sticky area and apply a second coat. Oil-based formulas cure into a hard, non-porous finish that repels water and other substances.
If you touch the paint too soon, you risk pulling up the layer or leaving fingerprints that become permanent. Once clean, you must decide between two aggressive methods: sanding or priming.
Latex Over Oil Painting Guide: Key Steps for Success
" These formulas are engineered to chemically bond to glossy finishes and provide a key for the latex topcoat to adhere to securely. Sanding the Gloss Lightly sanding the surface with fine-grit sandpaper creates micro-abrasions that allow the paint to bite into the substrate.
More About Can you paint latex over oil
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