PVA vs. Drywall Primer: What’s the Difference?

Priming is perhaps the most important step to achieving an attractive, high-quality paint job, but it is commonly overlooked.

Regardless of the project ahead of you, you are probably wondering if either drywall primer or PVA primer is best for what you are painting. 

To make this decision, you must first understand the difference between the two of them.

What is PVA Primer?

PVA stands for polyvinyl acetate. It is a rubber substance that will seal over any small holes in whatever surface it is applied to.

The product creates a solid surface so that the finish paint will stick better.

This can help you limit the number of coats of finish paint you need to apply to the surface.

Primer sticks much better to any porous area more so than finish paint so that it can better adhere to what would usually just absorb the paint.

What Is PVA Primer Used For?

PVA primer is the best substance to use to coat a porous surface before painting.

This is especially true of unfinished materials such as masonry, plaster, sheetrock, and beyond.

Still, it isn’t a stain, so it won’t cover any imperfections on the surface.

– Pros of PVA Primer –

  • Seals up any unfinished surface easily
  • Can be used on a number of materials
  • Limits the number of coats of paint needed
  • Makes paint adhere more easily

– Cons of PVA Primer –

  • Won’t block any discoloration or stain on the surface
  • Won’t seal pores that are too large, such as those in raw wood

What is Drywall Primer?

Drywall primer does the same thing that any primer does and better coats a surface you intend to paint, limiting the number of additional coats you’ll need to apply to get a streamlined look.

It is specifically meant to be used on drywall, hence its name, which is a super porous material that has plenty of small holes.

It features a unique polymer that will fill in and seal those holes to get the drywall ready for paint. Without using it, the porous drywall would just keep absorbing the paint.

What Is Drywall Primer Used For?

The biggest reason for using drywall primer is to seal any holes in the drywall much more quickly than paint does, saving time and effort by limiting how many coats you need to apply.

– Pros of Drywall Primer –

  • Seals up the many pores in fresh drywall
  • Limits the number of coats needed when painting
  • Can be used on a number of other materials

– Cons of Drywall Primer-

  • Does not cover up any stains
  • Isn’t a great choice for use on raw wood

The Difference Between Drywall and PVA Primer

You may have noticed that these two materials seem strangely similar, especially when looking at their pros and cons.

At the end of the day, these two materials are the same thing.

Drywall primers are just PVA primers that are geared and marketed specifically for use with drywall, although it is fine to use them on most of the same materials as any standard PVA primer.

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