Do I have to prime my walls before painting?

When saving money is the goal of a do-it-yourself painting project, every expense should be carefully considered.
Before starting a painting project, a common question is whether you should prime a wall before painting it.
The simple answer is that primer isn’t always necessary, so you can save money by omitting it.
However, in many cases the primer will save you money because it cuts down on the number of more expensive top coats you will need to achieve beautiful, long-lasting results.
ALLBRiGHT PAINTING professional paint technicians suggest using primers before painting under the following circumstances:
New coating for drywall and skimmed walls
The process of installing drywall and / or thin-set siding leaves a lot of very absorbent space for painting, and it may require many coats of high-quality paint to give adequate coverage. However, use one or two coats of quality primer first, and the pores will be sealed and your new top coat will cover well in one or two coats.
Repaired or repaired drywall
If you repaired a wall before painting, you will likely have spackle or joint compound stains on the surface. If these repairs are small, you don’t need to buy a separate primer; just use a small amount of your regular paint and lightly apply it to these areas to “prime” the wall. Then when these stains are dry, you can paint the wall normally and these stains will not show through.
Major change in wall color
Painting contractors generally assume that a dark color will cover a light color very effectively with one or two coats. Light paints, however, will rarely cover dark colors, even with many coats. In order to save money and time, professional painters recommend using a good primer with strong “hiding” qualities.
Paint over oil or gloss paints
In order for the new paint to work well, the new paint must have a surface to which it can adhere. When the current coat is oil based or has a luster, this surface can be achieved in two ways. You can use sandpaper or TSP to scuff the surface, or you can apply a bonding primer that will adhere directly to the undercoat and provide good backing for the new paint. If you need to prime due to a color change anyway, use this method and skip the sanding. However, if you don’t need to prime anyway, it will likely be cheaper and faster to just scrub.
Stain or odor coverage
Some spots, such as oily spots or pencil scribbles, will show through the new paint. In addition, cigarette smoke and other strong odors can still be detected after repainting. In order to really block out the ghosts of these problems, painting contractors use a serious primer like Kilz or Zinsser. Note: Do not use a primer to mask mildew in your walls. It will only grow. Instead, start by treating the cause of the mold (usually the ingress of water) and remove the mold. Then you are free to prime and paint.
Many professional painters use a tinted primer before painting. This is an inexpensive way to bring your walls closer to their intended final color before adding the more expensive topcoat. Ask about this at your paint store if you are painting a bright or dark color.
Need professional advice? Do not hesitate to call us anytime at 661-464-0771.

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