If you’re wondering whether you can use exterior paint indoors — or vice versa — we’ve got your answer: You can, but you probably shouldn’t. … Most exterior paint is also acrylic latex, so it’s also water-soluble when wet, but it has added resin to make it weather-resistant.
Yes you can use exterior paint inside. When using exterior paint inside, consider this, exterior paint tends to be composed of more hazardous chemicals that allows the paint to resist exterior elements such as rain, snow, and the sun’s rays. These chemicals can be harmful to the human body, especially when exposed to them regularly.