Using Interior Latex Paint Outside
By simply abiding by these rules you can surely use exterior paints inside your house without any doubt.
Using interior latex paint outside. 1 painted plywood in 3 coats of white exterior latex paint 2 then painted over it with colored interior paint vegetable labels cut outs of beatrix potter rabbits etc. Interior paints do not have the extra chemicals in them to make the finish weather resistant and durable enough for. When it comes to exterior paints oil based paints are better at resisting dirt.
More than one coat of primer defeats the purpose and is often worse than no primer at all. I think you have got your answer on can you use exterior acrylic latex paint inside the house. When it comes to exterior paint oil based is better at resisting dirt but more commonly water based latex paint is used because it tends to be at least as or more durable than oil based.
It would be simple if one type of paint was designed for internal use and one for external use. Exterior paints have chemicals present that are unsafe to use in an interior environment. An attached garage would be the only interior area that would be acceptable for application.
The first coat will seal the second coat will slide around causing the finish coat to slide off too. Oil used to be the best solution but there are amazing latex options now even water based albeit they still need to be exterior versions. Latex and acrylic paints are water based while alkyd paints are oil based and both interior paints and exterior paints come in both types.
The mildewcide resin and chemical makeup release unsafe gasses into an interior area. They are safe to use outside and pose no threat. Also you should keep it away from metals.
It is not recommended to use interior paints outside or exterior paints inside. All you need to do is to be careful about not exposing the exterior paint to the air for too long. However both kinds are available in compositions to suit both surfaces.