Updated at: 08-07-2022 - By: cnbusinessnews

Because it removes the odor and stain of water damage, knowing how to treat water damaged drywall using Kilz is essential. After you’ve cleaned and dried your water-damaged drywall, it’s time to apply Kilz.

Kilz is discussed in this article, along with the methods involved in applying it to water-damaged drywall and whether or not it may be used as a final layer. Finally, water damage and insurance coverage are discussed in this essay.

What Is Kilz and How Can It Help Water Damage?

Covering stains with Kilz is a stain-blocker. Water damage from leaks or floodwater is no match for this product’s ability to remove stains.

Water-damaged drywall can benefit from a coat of Kilz priming before being painted with a waterproof paint. Using this method results in a flawless finish.

In addition, it functions as a sealer, keeping moisture out of your drywall. As a filler, it can be used to fill in sponge-like areas, and it aids in paint adhesion.

Which Kilz is best for water stains?

Kilz2 Latex is ideal for porous surfaces, such as Drywall. Using this Kilz primer would also help bring out the color and smoothness of your paint.

KILZ 3 Interior/Exterior Multi-purpose Water-based Wall and Ceiling Primer (1-Gallon) in the Primer department at Lowes.com

It is possible to apply Kilz Premium to protect against stains. As a result, your paint will stay cleaner longer. As a result of its water and oil-based formula, this primer is superior to the competition.

Kilz 2 All-Purpose Primer is the ideal primer for anyone looking for a product that seals and blocks stains while also providing great adhesion and mildew resistance. There are several uses for this primer, including blocking small water stains and changing the color of your drywall.

Kilz 3 Premium is a good choice if you need to hide large stains and eliminate smoking odors. Kilz is serious about primers, as evidenced by the wide variety of primers they offer.

Steps In Using Kilz For Water Damaged Drywall

This is a step-by-step guide to using Kilz on water-damaged drywall after learning about it. Prior to applying Kilz, make sure that any water damage to your drywall has been repaired. It would be unproductive if it wasn’t done this way.

Step #1. Prepare

To begin, clean and prepare the area to be coated with Kilz. Preparation of the surface includes removing dirt, peeling paint, and other debris that could interfere with the paint sticking to the drywall.

Step #2. Sand

Sanding your drywall is another option for preparing the surface. After sanding your water-damaged drywall, check to see if the entire surface is smooth.

Step #3. Clean

After sanding, dust the surface and wipe it down with a damp cloth. Prepare the areas where Kilz will be applied using a TSP replacement.

Leave the surface to dry once you’ve cleaned it. Then use painter’s tape to cover the areas where you won’t be applying Kilz.

Step #4. Apply

When applying Kilz, you can either use a brush or a roller, depending on the size of the water-damaged area. Allow at least 30 minutes for it to dry after applying evenly. Leave it longer if you live in a humid area.

Step #5. Test patch

Apply a coat of topcoat to a small region of the body as a trial run. Additional Kilz coats should be applied in cases where the original surface shows through or bleeds.

If not, keep going with the topcoat. Afterwards, add a weatherproof paint coat.

How many coats of Kilz do you require?

It all depends on what you’re looking for. One coat is usually sufficient. A second coat may be necessary if the original surface is tenacious and still shows through after the first.

How Many Coats of Primer for Any Situation? You'll Like the Answer. | Brad the Painter

Can you use Kilz as a final coat?

No. To begin with, it serves as a foundation. That which topcoats normally protect your drywalls from is not protected by this product.

Topcoats can be made from any of the following:


On stained wood, polyurethane is a popular finish. However, the paint on furniture tends to turn yellow after a while.

Velvet Finishes

With this product, you get the best of both worlds: a topcoat and paint in one. Velvet Finishes are ideal for surfaces with a lot of activity.

Polyurethane is used in its topcoat, Protect. In contrast to the former, the latter is water-based. It also doesn’t turn yellow when exposed to sunlight.


Water-based polycrylic can be used on both wood and painted surfaces, unlike most polyurethanes (with the exception of Velvet Finishes Protect).

Is water damage on drywall included in your insurance coverage?

Your insurance will cover drywall water damage as long as the damage is unexpected. However, if your water damage has already resulted in mold growth, you will be unable to file an insurance claim. If you have any questions or concerns, you should speak with your attorney.

Can You Paint Over Damaged Plaster?

Because painting over broken plaster just masks the problem, the “fix first” approach is based on this fundamental fact. There’s a good chance you’re overlooking something that can be rectified with a little effort.

A painted-over patch of defective plaster can have a detrimental effect on the plaster’s structural integrity over time. If the underlying injury isn’t addressed properly, it could spread and grow.

Plaster chunks could fall as a result of the damage’s further expansion. Plaster is a heavy material, so shards that fall to the ground could injure someone.

Do You Need to Prepare the Surface Before Painting Over Plaster?

Another reason to repair plaster damage before painting over it is because of the paint. In order for the paint to adhere effectively, the surface must be adequately prepared. That’s the greatest technique to maintain the painted surface looking nice for a long time to come. A properly prepared and smoothed surface is necessary for a long-lasting paint application.

Paint failures such as chips, fractures, or bubbles are common when deteriorated plaster is painted over. The paint breakdown may expand beyond the damaged spot’s perimeter. Eventually, the paint may require a more extensive repair. You may also have a difficult time re-painting the same hue months or even years later.

Prime and Paint the Repaired Plaster

Before painting any surface in your home, it is essential to thoroughly clean and prep the surface. The damaged plaster must be repaired, and the appropriate primer must be applied afterward. Use a stain-blocking primer like Kilz sealer if the damaged plaster just has a water stain and there is no underlying leak that will reappear. Following a thorough drying period, you can then proceed to painting the affected area.

In addition, the type of paint you use on the project must be carefully considered. Most of the time, a high-quality latex paint is the finest choice for plaster walls. It’s best to use satin-finish paint in rooms that are near a bathroom, laundry, or other moist section of the house.

Identify the Cause of Plaster Damage Before You Repair It

Investigate thoroughly before deciding to mend a little area of plaster that’s been damaged or cracked. At first glance, patching up a damaged area of plaster may appear like a sufficient solution. If you’re going to patch it up before painting over it, why be concerned about small spots?

However, if the fundamental cause can return, remedies will fail to solve the problem. A damaged pipe or gradual leak below the plaster wall, for example, is likely to inflict constant harm until it is repaired.

Cost to DIY Plaster Repair vs. Hire a Pro

Painting a room is normally a do-it-yourself project that even the most novice do-it-yourselfers can complete. Then again, that doesn’t necessary mean that you need to fix the plaster damage in order to get started on your painting endeavor.

There are no solid sheets of drywall or sheetrock that can be cut and patched into the wall or ceiling to repair damage to plaster. Rather, it must be applied layer by layer, meticulously and meticulously. In the end, the consistency isn’t very tolerant of novice mistakes because it dries so quickly.

When it comes to lead paint, many plaster walls were built before the 1978 prohibition, which might pose major health risks if you’re not well prepared and well-equipped. An EPA-certified professional is required for the safe handling of lead paint.

A professional plasterer can help you avoid these problems. Plastering a 100-square-foot wall costs, on average, $510, therefore you should expect to pay $30 to $80 per hour to have a plaster wall repaired. Ask the specialist to determine the root cause of the damage so that you can fix it before the contractor completes the repair.


Should I replace water stained drywall?

Do I need to get rid of the water-damaged wallboard in my house? However, it is more than likely that the water-damaged drywall will require replacement. Between the insulation and the drywall, wet drywall will lose its structural integrity and generate mold spores if left unattended for an extended period of time.

How do I get brown water stains off my ceiling?

Step-by-step instructions on how to remove water stains off ceilings: The leak that created the stain must be fixed first. Bleach can be used to remove the stains on the ceiling. To prevent the stain from leaking through to the new paint, use an oil-based undercoat. Repaint the entire ceiling, not just the area where the stain is located.

Is drywall ruined if it gets wet?

When exposed to water for an extended period of time, drywall can be damaged. Moisture damage to the drywall weakens its structural integrity, making it more vulnerable to mold growth if not remedied quickly.

Do water stains come off walls?

Stains on walls caused by water are simply remedied and avoided in the future. Water stains on your walls can be caused by a leaking ceiling. If you don’t attempt to remove water stains properly, they can be tough to remove. Water stains can be removed quickly and easily if you follow a few simple measures.

Will kilz cover water stains?

In addition to blocking off stains caused by water and other substances, KILZ® UPSHOT® Stain sealant also covers pet odors. This product can be applied to any interior surface that has been adequately prepared for a glossy finish such as painted metal or wood.

How do you seal a water stain before painting?

Before painting over a water mark, use a stain blocker or an oil-based paint to cover it up. After that, emulsion or paper can be applied on top. In the absence of this barrier, no matter how many coats of emulsion you apply, the watermark will continue to show through.

Why does a ceiling water stain turn brown?

Water damage is one of the most common sources of brownish stains on the ceiling. The gypsum-based drywall ceiling becomes discolored when water penetrates through the structural material. Even when the ceiling has dried, the stains will remain. Mold damage could also be a contributing factor.

Is drywall hard to patch?

Drywall Repair: A Step-by-Step Guide. When preparing to move, patching up drywall is a common issue. Cracks, dents, and holes in drywall can be easily repaired with drywall joint compound, sanding, and painting.

4 Easy Steps On How To Repair Water Damaged Drywall - Krostrade

How do you fix water damaged drywall in a bathroom?

In order to accomplish this, follow these steps:

Take out the damaged tiles.

Remove the base or shoe trim from the shoe.

In step three, locate the next stud in the closet.

Remove the drywall that has been damaged.

Studs that have rotted out need to be replaced.

Replace the drywall that was removed in step six.

Fill in all screw holes and seams with wood putty.

Does Magic Eraser remove water stains?

It’s time to get your hands on the Magic Eraser Extra Durable and get cleaning! Start cleaning with a few hard swipes after wetting the Magic Eraser with water (be sure to wring off any extra water). If you have hard water stains, you need Mr. Clean to get them out.

Will Magic Eraser remove water stains on ceiling?

Water from a Magic Eraser smears the ceiling. Mr. Clean is a household name Using the Magic Eraser is a fantastic way to clean. Ceiling water stains can be removed without the use of bleach or other cleaning products. Even the worst brown stains can be removed with just the Magic Eraser with no damage to the ceiling paint.

How do you get rid of hard water stains?

To make a powerful shower and tub cleaner, combine equal parts white vinegar and fresh water in a spray bottle. Allow the vinegar solution to settle on the surface for at least 15 minutes. Clean and dry a microfiber towel before using.

How do you get marks off walls without damaging paint?

Make a paste of baking soda and water and apply it to the stain using a soft cloth. Wipe away the paste with a clean towel dampened with water, and then completely dry the area. If you have stubborn grease stains in your kitchen, use a grease-cutting dishwashing detergent mixed with warm water to remove them.

Which is better Zinsser or Kilz?

This is a close race between the two goods, but Zinsser is the clear victor due to its superior coverage. Some bleed-through is possible with Kilz on some surfaces. For the product to completely cover, you may need to apply a thicker layer of the product.

What paint will cover water stains?

Highly pigmented Polycell Stain Stop paint prevents stains from reappearing through paint indefinitely. It covers water stains, grease, nicotine, crayons, rust, and soot with a single coat.


You’ve learned all you need to know about using Kilz to repair water-damaged drywall in this post. As you know, Kilz is a fantastic product, therefore we look forward to seeing your homes and using them in your repair and painting efforts!