To calculate the cost of an interior paint job that you do yourself, measure the square footage of the interior space you need to paint. Consider whether you will need primer or multiple coats to help with your color transition. If you’re just adding another layer of the same color of paint you used a few years back, you may be able to use a single coat and skip the primer.
A single gallon of paint can run anywhere from $20 to $80 per gallon. Professionals get a contractor discount of anywhere from 25 to 50 percent. For rough siding, like stucco, you’ll need to use 10% to 20% more paint. Some textures, like wood and stucco, require extra paint because they have more surface to cover in a tiny area compared to smooth siding. Use the highest quality exterior paint your budget will allow for your project. It will look the nicest and save you money by offering better coverage and durability. Better coverage means fewer coats and fewer work hours. You’ll also go a few years longer without needing to shell out more cash for a new coat. How do you know how much paint you're paying for? Here's some helpful math:
Humidity is another factor that can slow down cure times. If you're painting in especially humid conditions, be sure to check the previous coat before adding another. Similarly, when planning the course of your work, take the path of the sun into consideration. Areas of the home that get little or no direct sun will set up slower. While sections that bake in direct sun will get a hard surface, becoming dry to the touch before they are fully cured.
Another type of paint is on the market that claims to be a primer and paint in one. Basically, it’s just thicker paint and costs twice as much as regular paint. Most professional painters aren’t fans, but if you have exterior walls in excellent condition already, and the self-priming paint is the same color as the original paint color, it could certainly save painting time with one coat going on instead of two. House Painting Thornton
Once you have the approximate square footage that you’ll need to paint, remember that a gallon of paint generally covers between 250 and 400 square feet. You’ll need more if you’re painting a rough, porous material, or if you want to paint a dark house a much lighter color. Depending on your color choice, you may need a more expensive tinted primer to help with the color transition. Thornton House Painters