Guest Posted August 19, 2016 Report Share Posted August 19, 2016 What is the highest humidity level I can paint Rust Seal in and it still lay out nicely? Quote Link to comment Share on other sites More sharing options...
KBS Coatings Posted August 19, 2016 Report Share Posted August 19, 2016 RustSeal is cured by a combination of temperature and humidity. You can also speed up the cure (negatively) by overworking the brush when brushing RustSeal. If it is 80 degrees, it would best to keep it below 80% humidity for optimal brush flow out. You can always help brush marks to flow out by applying thin, covering coats of RustSeal, not overworking the brush, and thinning the RustSeal with KBS #1 Thinner if needed. Please check out the complete RustSeal Directions and let us know if you have any additional questions. Quote Link to comment Share on other sites More sharing options...
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