Is exterior paint ok for painting interior walls?
I accidentally purchased a 5 gallon bucket of exterior paint to paint my walls inside my house. I can’t take it back because the color is already mixed. Am I screwed? What is the difference between the exterior latex paint and interior latex paint?
You shouldn’t feel too bad.
This was your salesperson’s
fault at the paint store. Unless you specifically asked for exterior paint, the salesperson should have asked you where
you were going to use the paint and would have made it
very clear to you, the kind of
paint you SHOULD BE using.
I would lay this problem at the feet of the paint store.
They need to take the paint
back or make an adjustment
on INTERIOR PAINT.
Do not put exterior paint on
the interior of your home.
It is a distinctly different
blend of paints and chemicals. Use only INTERIOR paints INSIDE
your home. Don’t think of it
as being "screwed". We all
make worse mistakes than this…and I still say I would
not let your paint store OFF THE HOOK. IT’S THEIR
FAULT. ( I honestly believe
this has happened at the store before and they know just how to handle it. Give them a chance to make it right.)
Related posts:
- What is the best brand of paint to use for interior painting? What is a reasonable cost per gallon for paint?
- What paint is best to use for exterior painting, like for trim on a house?
- We are painting the exterior of our front door.?
- What is the best kind of Paint to used for Painting Exterior Brick?
- Would painting over interior paint with exterior paint on an outside wall hold up in the elements?



Good exterior paint is formulated to stretch a bit better due to the extreme thermal changes that take place on the exterior. The result is the finish is not as hard as you will find on a similar interior paint. In 3-5 years you may notice excessive wear in high traffic areas.
Exterior paints usually have chemicals to counter UV degradation. Without enough UV exposure, these chemicals may give a slight yellow cast to the paint over time. This will be less noticeable if the color is a dark tint.
Exterior paints may contain a higher concentration of ammonia. This may cause a foul odor as you paint, but it should go away within a week or so.
If it were mine, I would bite the bullet and get interior paint, mostly for the wear factor. The paint cost money, but your time is valuable as well. You may feel the need to do the job again much sooner if you use the exterior.
References :
Exterior paints also have additives to inhibit mold growth that can be harmful when inhaled….don’t use it
References :
ACTUALLY YOU CAN USE EXTERIOR PAINT IN INTERIOR.EXTERIOR PAINT JUST HAS MORE PIGMENT IN IT. IT IS MORE DURABLE .IT WILL JUST LAST A LOT LONGER.WASHABLE.WONT FADE AS QUICK.LOTS OF PLUSSES YOURE NOT SCREWED.WORKED OUT IN YOUR FAVOR
References :
EXPERIENCE
your fine use it
painting for 15 years
References :
You shouldn’t feel too bad.
This was your salesperson’s
fault at the paint store. Unless you specifically asked for exterior paint, the salesperson should have asked you where
you were going to use the paint and would have made it
very clear to you, the kind of
paint you SHOULD BE using.
I would lay this problem at the feet of the paint store.
They need to take the paint
back or make an adjustment
on INTERIOR PAINT.
Do not put exterior paint on
the interior of your home.
It is a distinctly different
blend of paints and chemicals. Use only INTERIOR paints INSIDE
your home. Don’t think of it
as being "screwed". We all
make worse mistakes than this…and I still say I would
not let your paint store OFF THE HOOK. IT’S THEIR
FAULT. ( I honestly believe
this has happened at the store before and they know just how to handle it. Give them a chance to make it right.)
References :