When you are painting new unfinished drywall and you do not want to prime separately consider using self primer paint.
Do you need primer for floor paint.
Others may recommend longer.
If you are unable to paint the floor on the same day don t worry.
Some may recommend four hours.
There are several reasons why it is a good idea to apply a masonry primer before paint.
A quality masonry primer will allow you to safely paint over a wider range of ph levels without risk of adhesion loss.
Apply primer with a paintbrush or roller to each surface that you intend to cover with paint.
New drywall always has to be primed in some form.
Interior surfaces work best with paint and primer in one since interiors do not experience the stresses of exteriors uv rays rain and snow.
After that long you would need to prime the floor again.
You will need to apply at least two coats of primer.
With your brush paint cut in a 2 3 wide area around the perimeter of the garage floor.
If the surface has been finished previously such as with stain and polyurethane or old paint.
Painting wood stairs and floors requires the same preparation as for any interior paint job.
Some masonry surfaces can have a high ph level which will cause adhesion problems if you apply paint directly to the surface.
Follow the specific instructions on your chosen.
Just be sure to do so within the next 30 days.