If the paint does not adhere correctly, you risk peeling, flaking, and blistering. The finish will typically resemble that of standard latex paint—a smooth, matte, eggshell, or satin finish depending on your choice.
Sanding Oil Before Latex Application for Proper Adherence
When to Consider Alternatives. Success requires a specific preparation process and the correct materials to ensure the new layer adheres properly and lasts for years.
Because latex is flexible, it can handle the slight expansion and contraction of the substrate better than a rigid oil finish, potentially reducing the risk of cracking in the future. This primer chemically reacts with the old oil layer and mechanically locks into the sanded texture, creating a stable base for the latex paint to cling to.
Sanding Oil Before Latex Application for Proper Adherence
The Risks of Skipping Preparation Skipping the necessary steps to bond the two different materials can lead to immediate or eventual failure of the new finish. Because oil creates a non-porous, slick surface, latex struggles to bond to it without the proper preparation.
More About Can you paint latex paint over oil paint
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