Best Primer For Old Plaster Walls [2021 Review]

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Are you planning to paint your walls this season? If yes, then you must go through pre-painting procedures before the approach. The next step in the pursuit of fixing your walls is to look for the best primers for old plaster walls. Hence, this guide will provide the list of the best primers for old plaster walls to help you save the effort.

Best Wall Primers For Old Plaster Reviewed

The primer application procedures give an excellent texture to your wall and elongate the life of the paint. One such method is applying primer to your wall before painting to ensure that the finishes are smooth.

Not only that, the primer enhances the saturation of the color of the paint which makes it pop out even more than before.

Brand
Best Overall
KILZ Premium High-Hide Stain Latex Primer/Sealer
Best for the Money
Magnetic Receptive Wall Paint and Primer
Best Cheap Pick
Rust-Oleum 276087 Mold-Killing Primer
Product
KILZ Premium High-Hide Stain Blocking...
Magnetic Receptive Wall Paint and Primer - Black -...
Rust-Oleum 276087 Mold Killing Primer Quart
Surface Recommendation
Metal
Wall
Plastic & Vinyl
Special Features
Use for color changes, to seal light to medium stains and to minimize surface imperfections caused by texture and porosity differences.
Non-toxic and child safe
Mold-killing
Rating
-
-
Best Overall
Brand
KILZ Premium High-Hide Stain Latex Primer/Sealer
Product
KILZ Premium High-Hide Stain Blocking...
Surface Recommendation
Metal
Special Features
Use for color changes, to seal light to medium stains and to minimize surface imperfections caused by texture and porosity differences.
Rating
-
Price
Best for the Money
Brand
Magnetic Receptive Wall Paint and Primer
Product
Magnetic Receptive Wall Paint and Primer - Black -...
Surface Recommendation
Wall
Special Features
Non-toxic and child safe
Rating
-
Price
Best Cheap Pick
Brand
Rust-Oleum 276087 Mold-Killing Primer
Product
Rust-Oleum 276087 Mold Killing Primer Quart
Surface Recommendation
Plastic & Vinyl
Special Features
Mold-killing
Rating
Price

Best Primer Overall: KILZ Premium High-Hide Stain Latex Primer/Sealer

KILZ Premium High-Hide Stain Blocking...

The KILZ Premium primer is listed under the best overall category because it is affordable and highly efficient. It is a stain-blocking primer that consists of a water-based formula. Furthermore, it is highly effective in helping eradicate the light stains over your walls to prepare them for further painting. Also, you can seek protection for your walls from mold and mildew situations.

Moreover, if your wall has any porous surface, then this primer has the potential to block them out. It comes with superb adhesion for most surfaces, making it ideal for interior and exterior plaster walls. This product is also specifically best for drywall, paneling, brick, woodwork, and masonry walls. In addition, this feature is not available with most of the other products.

With all of its efficacies, it is considered the best overall primer for old plaster walls. This product has a gloss effect and is smooth enough to allow the paint to slide over the surface of the plaster wall. It needs two coatings; the second one is recommended after one hour of the first coat.

Moreover, if you live in highly humid areas, your plaster walls need this primer to add an extra layer of protection. Also, you can apply this primer in your laundry rooms and bathrooms.

Pros:

  • The VOCs are very low with this product, and it has a mild odor. It is because it has no colorants and has less than 5g/L VOC in it. Hence, it is safe for workspaces or houses.
  • It has a prominent stain-blocking property in it. It is because of the water-based formula that is useful for sealing surfaces and achieving a uniform finish. In addition, it hides the previous colors and light stains on the wall.
  • One gallon of this primer product can cover up to 400 square feet of an area over the wall. Measure your wall size, and decide upon the amount of product you need. Nevertheless, you get a maximum of one gallon can of this primer.

Cons:

  • It does not cover strong water stains. You might need to approach other treatments to your wall in case it has heavy water stains. This primer is ideal only for covering up the light stains and not intense ones.
  • Also, this primer solution is quite messy and thick to deal with during application.
KILZ Premium High-Hide Stain Blocking...
  • This powerful stain-blocking water-base formula seals surfaces, helps to achieve a uniform finish,...
  • KILZ Premium offer just the right consistency for a smooth and level finish that seals porous...
  • With excellent adhesion for most surfaces, use on interior and exterior drywall, plaster, woodwork,...

Best Value For Money Primer: Magnetic Receptive Wall Paint and Primer

Magnetic Receptive Wall Paint and Primer - Black -...

The next category in this list is the primer for plaster walls that is value for money. And after all those intense searches, Magnetic Receptive Wall Paint & Primer made it to the list. The top-notch feature of this primer is that it can change a usual plaster wall into a magnetic board. This makes it stand out from other products.

You need to wait for around 24 hours for the complete curing of this primer before you can apply paint onto your walls. However, the area where it lacks behind compared to the KILZ premium primer is in its drying time. This primer needs around an hour for drying and after which a second coat can be applied, whereas other products in this list take only 30 minutes for the same.

Moreover, the main reason it is in the ‘value for money’ category is that it offers impeccable quality at very nominal pricing. Also, this magnetic primer has no toxic contents and is safe for children. It is a black primer, and one-quarter of it is enough for application over a 20 square feet area.

Pros:

  • Every coat of this primer offers magnetic appeal over the wall. And, two heavy coats are preferable for enhancing the results. In addition, two coats will improve the holding force of the primer over the wall.
  • Its magnetic effect allows you to stick magnets, clips, and other magnetic objects to your wall. It’s perfect for home offices and study rooms.
  • It is easy to use. In addition, this primer is not so thick, making it easy for you to apply it easily without professional assistance.

Cons:

  • The drying time is more for this product.
  • Heavily stained plaster walls will need more coats of this primer to improve its holding power and magnetic strength.
Magnetic Receptive Wall Paint and Primer - Black -...
  • GREAT USAGE: Transform an ordinary wall into a magnetic board.
  • PERFECT AMOUNT: One Quart is enough to cover 20 Square feet area. Apply at least two heavy coats for...
  • FUN RESULTS: After 24 hours of paint application, you can apply color paint of your choice. You’ll...

Best Affordable Primer: Rust-Oleum 276087 Mold-Killing Primer

Rust-Oleum 276087 Mold Killing Primer Quart

Now is the time to bring your attention to the best old plaster wall primer that is the cheapest without compromising quality. The Rust-Oleum Mold Killing Primer is the most affordable yet quality primer that should be your ideal choice if the price is a concern for you.

Like the other two, this is also a water-based primer and is mainly used to eradicate molds from plaster walls. However, even though this primer is the cheapest of all, it has the unique property of killing mold, fungus, bacteria, and moss, unlike costlier ones.

Antimicrobial agents, approved by EPA, are the formulation ingredients for this primer. It not only prepares your wall for new paint but also stops the growth of molds, fungus, and other organisms over it. Hence, it is like a 2 in 1 product for you!

Pros:

  • It kills molds, fungus, bacteria, and other such organisms. So it is because of the antimicrobial agents present in the formulation of this primer.
  • It is easy to apply with rollers and brushes because the thickness is not too high for this primer.
  • It is an appropriate primer for both interior and exterior surfaces. Finally, as it is a water-based sealant, it works fine over humid walls.

Cons:

  • The primer solution solidifies within the can if it is stored in too hot or too low temperatures.
  • This primer doesn’t work well in hiding the yellow mold stains. Some types of molds are too deep over the walls and require more professional treatment.
Rust-Oleum 276087 Mold Killing Primer Quart
  • Protective primer specially formulated to paint over and kill existing mold, mildew, moss, fungi and...
  • Low odor, water-based coating cleans up easily with soap and water
  • Covers up to 160 square feet, dries to the touch in 30 minutes and recoats within one hour for quick...

Features to Consider For Best Primer for Old Plaster Walls

Now, you are aware of the best three products for your consideration, per the budget and quality. Furthermore, you should be aware of the features you can consider before buying any of these primers.

Product Medium Holding Power Ease Of Clean-Up
KILZ Premium High-Hide Latex Primer/SealerWater-basedWon’t hold paint well on plastic, glass, formica, and other tough-to-paint surfacesEasy — use soap and water
Magnetic Receptive Wall Paint and PrimerWater-basedCreated for walls onlyEasy — use water/alcohol
Rust-Oleum 276087Water-basedDecent hold, but it takes seven days to achieve maximum adhesionEasy — use soap and water

#1 Medium Type

Before you go ahead and buy the primer for your old plaster walls, you need to check the type that suits the walls.

Couple painting their old plaster wall

For the old plaster walls, water-based primers are ideally preferable. The reason for it is that water-based primers clean up quite conveniently and dry quickly. Moreover, such solutions do not have a strong smell as well.

Therefore, if you are willing to fix your plaster wall, water-based primers are best. Apart from that, you can also prefer oil-based primers or spray primers, as per your needs.

All of the primers discussed in our guide are water-based that offer quick dry quality and premium finish.

#2 Holding Power

Check for the thickness and holding power of the primer to ensure that it can hold paint efficiently. The higher holding power of primer over the wall will ensure the use of lesser paint coats. Therefore, do check for this potential in the primer that you pick for your application, as it will ensure less use of paint, and you can save some bucks.

#3 Ease Of Clean-Up

For water-based sealants, you can clean the brush using normal water that makes it easy and time-saving after application. However, you cannot do the same with oil-based primers. You will need mineral spirits for cleaning the brushes and rollers after use. Hence, it is more time-consuming and requires a little more effort.

Couple mixing in a primer before painting their wall

Cleaning the brush is important to make it usable for the next time you need those accessories. Therefore, get the supplies ready for cleaning the primer application tools, depending upon your choice.

The Kilz Premium primer can be cleaned using soap-water. On the other hand, there are also a few primer primers that require a concoction of water and alcohol to clean up like the Magnetic Receptive Primer.

Conclusion

Getting the right primer can make the paint job a lot easier. Primers refine the smoothness over your old wall, which makes the paint run smoother over the surface, with fewer coats. So, what are you waiting for? Buy a primer and start with the first step of the painting process!