When painting your garage walls you should always use interior paint instead of exterior paint.
Interior vs exterior paint for garage.
All paint is made of the same basic ingredients.
Solvents are typically water for latex paint and mineral spirits for oil paint but in both cases the solvent is what evaporates as the paint dries leaving behind the resin pigment and additives.
I d give a slight nod to exterior paints since their resins are a little more flexible than interior paints.
Solvent resin additives and pigments.
Vacuum them off well and ideally use a primer first for the best long run look.
Even though exterior paint is formulated for outdoor use there s a lot to be said for using an exterior wall paint for the interior walls of your garage.
Most people think about using exterior paint on their garage walls because it is more resistant to scuffs stains scratches and mold.
You can always use an exterior paint inside but should not use interior anyplace that it could be exposed to the elements.
That s by far the main difference.
It s known to be the best paint for both the interior and exterior garage walls.
It has an acrylic base with two different finishes and 237 color variants.
Exterior paint is meant for open spaces for a reason.
Interior paint would suffice for the most parts of the country although exterior paint is probably a better choice where there is extreme climate change especially in an unheated garage.
When to use interior.
I agree with gymschu that exterior is better for a working garage.
It is specially formulated to protect your home from the elements and contains chemical additives that can be toxic to your family if used inside.
It s more resistant to moisture than interior paint and it often contains a mildewcide.
The difference mostly between interior and exterior paint is uv protection.
Otherwise your plan is solid and should give you a nice garage.
Prestige offers a paint and primer combo which doesn t require more than three coats.
Like interior paints exterior paints come in.
The best time to use interior paint on garage walls is when the garage is enclosed to provide a year round temperature controlled living area.
But there are many interior paints that have similar characteristics without posing a health risk to your family.
Exterior paint can handle this need.