Repairing Guides

how to repair water damaged mdf kitchen cabinets

by Geraldine Feest Published 2 years ago Updated 1 year ago
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How TO Fix Water-Damaged Cabinets

  • Step One: Dry Out the MDF. Can you dry out MDF? Yes, you can! MDF can be dried out if it hasn’t been exposed to water...
  • Step Two: Remove any Hardware Determine the Extent of the Damage. Once the cabinets are dry you can remove any hardware...
  • Step Three: Sand Down and Fill the Damaged Area Until Smooth. Use an orbital sander and some...

Part of a video titled repairing water damaged MDF cabinets - YouTube
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Everything like shellac reframing dries fast but it seals everything. So that puffiness a go awayMoreEverything like shellac reframing dries fast but it seals everything. So that puffiness a go away this is going to take a couple coats for sure.

Full Answer

How do you fix water damage on wood cabinets?

Water damaged cabinets need sanding down so that the surface of the wood appears even once again, without any bubbling or swollen areas. I like to use 120-grit sandpaper, though any similar coarse grit should be okay. Some people do this step by hand, but I find that it's much easier to use an electric sander for this step.

Do water damaged kitchen cabinets affect your kitchen?

You might even notice that a laminate surface starts to pop off completely due to water damage inside your cabinets. However water damaged kitchen cabinets affect your kitchen, you need to repair them as soon as possible before the damage gets any worse.

What happens if MDF gets wet?

Badly soaked MDF swells, distorts and crumbles. Water-damaged plywood buckles as its layers split and splinter. Wet cabinets also spread water damage to other areas of the kitchen. Moisture wicks into dry cabinets, baseboards, flooring and drywall.

How to fix MDF cabinets that won’t paint over?

As you have seen, the fix is pretty simple and straightforward. Some people solve the problem just by sanding the area and applying primer & matching paint. In case of MDF based cabinets, you should use an oil-based primer. No matter how easy the fix is or you take the help of a professional, your cabinets won’t be the same!

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What happens if MDF gets wet?

It should be noted that whichever method you use, MDF is moisture-resistant, not water-resistant, nor waterproof, and is still prone to swelling and warping if in direct contact with the elements.

How do you harden water-damaged MDF?

How TO Fix Water-Damaged CabinetsStep One: Dry Out the MDF.Step Two: Remove any Hardware Determine the Extent of the Damage.Step Three: Sand Down and Fill the Damaged Area Until Smooth.Step Four: Wipe Clean and Prime.Step Five: Paint And Re-attach Hardware.Step One: Remove the Baseboards.More items...•

How do you fix water-damaged particle board cabinets?

Follow our step by step instructions below to repair water-damaged boards in your home.Dry the wet area. ... Buff off the raised area with sandpaper. ... Cut out damaged areas of the board with a knife. ... Add wood filler to the holes. ... Sand the area to finish the repair. ... Conclusion.

Can water-damaged MDF be repaired?

When baseboard made of medium-density fiberboard sustains water damage, your best solution is to replace it. However, if the damage is not significant, you can attempt repair. MDF in its undefiled manufactured state is stable and consistent.

How do you fix a swollen MDF cabinet?

0:272:39repairing water damaged MDF cabinets - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo that puffiness a go away this is going to take a couple coats for sure. I'm down here with a dryMoreSo that puffiness a go away this is going to take a couple coats for sure. I'm down here with a dry sand it put another coat on there build it up and look at a tight seal.

How do you fix MDF swelling?

1:216:59How to Repair MDF - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd what you're looking for is a cut out that has no raised edges. So you want to be pushing. In theMoreAnd what you're looking for is a cut out that has no raised edges. So you want to be pushing. In the edge of the MDF. So that it's compressed and it's got a sharp edge.

What is particle board vs MDF?

MDF has a smooth finish as it consists of wood grains that are of the same size. Particle-boards do not have a smooth surface as they consist of wood shavings and chips.

Can you repair particle board cabinets?

Particle board is more cost-effective than traditional wooden cabinets, which can make it a good choice when renovating. Over time, particle board may require repairs just like any other cabinets. Fortunately, repairs to particle board cabinetry are relatively easy to do yourself.

Does wood filler work on particle board?

Particleboard furniture can chip, scratch, or crack fairly easily. If you see this kind of damage, begin by filling the damaged area with wood filler or putty, using a putty knife. Smooth the patch area so it is even with the surrounding surface. Let the putty or filler dry overnight.

How do you fix steam damaged kitchen cabinets?

0:061:20How to Repair Steam and Water Damage on Kitchen CabinetsYouTubeStart of suggested clipEnd of suggested clipWhich is your beeswax. Take your touch of beeswax. This will go a long ways you can do a wholeMoreWhich is your beeswax. Take your touch of beeswax. This will go a long ways you can do a whole kitchen with this product right here in that pint bottle buff it into those dry.

Is MDF waterproof when painted?

The only way to make the MDF board waterproof is to paint it. Painting the surface of the MDF board will make it resistant to moisture only if you use moisture-resistant paint, as this type of paint creates a more permanent waterproof layer on the MDF.

What paint can I use on MDF?

The best paint for MDF board is Oil-based paint. Oil-based paints are common and will work with any solvent-based primer on your MDF. Remember that you need to use paint thinner with oil-based paints. The paint thinner is also used to clean brushes and trays.

How do you fix crumbling particle board?

Repairing Particle Board With Wood FillerRemove loose chips or rotted wood from the damaged area with a stiff-bristled brush. ... Fill the damaged area with wood filler using a putty knife. ... Sand the patched area with a medium-grit sanding block. ... Sand and smooth the wood filler with a fine-grit sanding block.More items...

Can you paint over particle board cabinets?

If you're ready to update your kitchen and are to save some money by painting rather than replacing your current kitchen cabinets you might be wondering, “Can you paint particle board cabinets?” The answer to that question is yes.

How do I fix the bottom of my kitchen cabinets?

2:233:30How to replace rotted sink base cabinet floor bottom. Easy! Home ...YouTubeStart of suggested clipEnd of suggested clipCut ours at about 21 place the board's in the cabinet. And fit the seams together. If you cut itMoreCut ours at about 21 place the board's in the cabinet. And fit the seams together. If you cut it upside down you can have a nice finished cup without splintering. I'm using quarter-inch. Plywood.

How to repair water damage on wood cabinets?

To repair the water and steam damage, first , we have to cut away the puffed up damaged wood fibers. We then sand it smooth. Next, we use a solvent based primer, I like BIN shellac primer for this because it penetrates, it seals, and it dries fast. The area is sanded then primed one more time. Once dry I will use the primer for the cabinets to ensure a good bond to the surface. Then we spray it with the paint and topcoat. ML Campbell Agualente is my product of choice when possible. Love it!

What is MDF board?

MDF, also known as Medium-density Fibreboard, is an engineered wood that combines wax and a resin binder. Applying high temperature and pressure creates the MDF board. It’s often denser than plywood. MDF looks great once finished, but water is not its friend. The other form of water that does damage to MDF is steam.

Can MDF Get Wet, Is It Waterproof?

Medium-Density Fiberboard, or MDF, is an engineered wood product that is fabricated by breaking down wood residuals into fibers, then mixing those with wax and some type of resin binder before forming it into panels by applying high pressure and temperatures. This core is then sandwiched between two outer layers, with one being the top surface that will be exposed and the bottom usually being little more than an opposing surface to hold it all together..

Common Issues With Water Damaged MDF

When MDF absorbs moisture, there are several things bound to happen that you’ll notice as it dries.

Drying out MDF

There are methods you can employ to dry out MDF, but if they’ve absorbed a fair amount of moisture or water, chances are it’s still going to sustain damage. That being said, here’s how you go about it.

How To Fix MDF Water Damage

While there are some fixes that can be applied to MDF, they aren’t going to look the best, and the repairs aren’t going to restore full functionality to the item.

Can You Seal MDF For It To Be Waterproof?

A common misconception going around the internet is that MDF can be sealed and made waterproof, but in reality this simply isn’t the case.

First, is it Really MDF?

First of all, it’s important before doing any repairs that you’re sure of what you’re dealing with so you’re using the right tools and method. What is MDF? Short for Medium-Density Fiberboard (another name for pressboard), MDF is sawdust and resin formed into moldings, baseboards, or other boards like cabinets.

Medium Density Fiberboard (MDF) vs Particle Board

When looking at it unpainted MDF looks like solid cardboard, not like wood chips, which is particle board. Here’s a quick visual:

How TO Fix Water-Damaged Cabinets

If the water damage is made to your MDF cabinets, whether kitchen cabinets or bathroom cabinets, you’re likely able to repair it if it hasn’t become so damaged it has severely warped, crumbled apart, or split, here’s how:

Step Five: Paint And Re-attach Hardware

Once everything is smoothed and primed, all that’s left is to paint over the cabinets and re-attach any hardware you removed for the fix.

How To PROTECT KITCHEN CABINETS FROM Future WATER Damage

If you want to protect your cabinets from future water damage you may want to laminate them. Laminating cabinets consist of applying a smooth, water-resistant material to the exterior cabinet walls and doors.

How TO fix water damaged MDF baseboards

If water damage occurred to your baseboards, moldings, or trim things can get a bit trickier since there are often some complicated routed details on baseboards and there’s direct contact with your drywall.

Removing and Replacing MDF Baseboards

As you can see from my lengthy instructions and shopping list above unless you have a fully stocked garage of products, and a great deal of time, the cost in both time and money to repair water-damaged MDF baseboard can be much more than just replacing it.

How Does Water Damage Kitchen Cabinets?

Water can damage your kitchen cabinets in a number of ways. The most common damage is mold and mildew. When the cabinets are constantly damp, the moist environment creates the perfect conditions for mold and mildew to grow.

How to prevent water damage to cabinets?

An easy way to prevent water damage is by applying a coat of liquid polyurethane on all cabinet surfaces . Like linoleum, polyurethane is plastic and will become fully waterproof when it dries.

Why do kitchen cabinets separate?

Water making its way into the material’s core can cause the different layers of kitchen cabinet doors to separate. Solid wood cabinets usually don’t have many layers that can separate, but the wood panels could crack.

What are the weaknesses of kitchen cabinets?

One of the main weaknesses of kitchen cabinets is their vulnerability to moisture. Whether they are made of solid wood, MDF, or plywood, you’ll have to deal with cabinet water damage sooner or later. In addition to the cosmetic damage, moisture can also soak into the material, swelling it and compromising the cabinet’s structural integrity. Considering the kitchen renovation costs, you may wonder how to repair water-damaged cabinet doors.

How to sand wood in the direction of grain?

Start from a corner and work your way across the entire surface. On solid wood, always sand in the direction of the grain. You can speed up the process and reduce the effort by using a sander instead of sanding manually.

What causes wood to fall apart?

The first signs of damage are stains and discoloration, but you may also observe a fine powder covering the wood surface. Lastly, water can weaken the wood material and cause it to fall apart.

How to fix a crack in a wood floor?

It is essential to fix these damages before proceeding. Thus, use caulk or plastic wood filler to fill in any cracks and holes. Alternatively, glue the separated layers back together with contact cement .

How to save things in a cabinet?

Open the cabinet and check what you can save. Remove everything that you can save from the cabinet. If you use airtight containers to store foods, you can keep them and throw away items stored in paper bags or cardboard boxes.

How to get rid of mold in kitchen?

So disinfect it using any kitchen cleaner. This will ensure no mold can grow back over time. Use an ozone machine to get rid of odors from the cabinet. You will be storing food items there, so take actions to disinfect and deodorize accordingly.

Why are kitchen cabinets important?

Your kitchen cabinets play a great role to maintain the overall hygiene of your home. It has a direct impact on maintaining the good health of your family members. You should not have damaged cabinets anymore. With the above tips and video tutorials, you should not be wondering how to repair water damaged kitchen cabinets either.

What is a kitchen cabinet made of?

They are made of wood mixtures, resins, and glue. Water makes the glue joints weak pretty quick. Just within a few days of water damage, your cabinet will fall apart unless you take quick action. Veneer. This is something people apply over their existing kitchen cabinets when they want to update their kitchens.

How to fix particle board?

Find the separating bracing and if you can you have to replace the old braces. Use glue and screws to reset the old braces. Eventually, it will help to restore stability.

How to remove black stains from wood cabinets?

If the problem has been going on for a while, the woods/particle boards may have darkened already. You will notice blackening stains on the cabinets. Use Oxalic acid to remove such stains. But are something to do before applying the acid.

Why is the kitchen the most vulnerable place in the house?

The kitchen is the most vulnerable place in the entire house due to so many water lines and pipes. So the chance of water damage there is very high. Any single leakage from either the pipe or the water lines will bring catastrophe for the cabinets.

How Do I Protect My Kitchen Cabinets From Water?

Once you've got your kitchen cabinets repaired, you want to keep them safe from future damage. After all, it's better to protect your cabinets than constantly repair them. There are 5 main ways to do this:

How to protect cabinet from spills?

Personally, I find that it's best to keep your cabinetry protected from future spills by investing in deep sinks, good sealing, and counter edges which help spills to roll off the end and straight onto the floor. Whether you're repairing existing issues or safeguarding against future moisture, I hope that your repair job goes well.

Why does laminate pop off?

You might even notice that a laminate surface starts to pop off completely due to water damage inside your cabinets. However water damaged kitchen cabinets affect your kitchen, you need to repair them as soon as possible before the damage gets any worse.

What is under the sink cabinet made of?

Kitchen cabinets are put through a lot of stress, especially if they're under the sink or refrigerator and they're made from materials like MDF and particle board which don't tend to be super strong. Water from your sink and moisture in the air can lead to water damaged cabinets that look a bit worse for wear.

How to apply plastic wood filler?

Personally, I like to apply the plastic wood filler straight from the tube into affected areas and then smooth it over with a small putty knife. Obviously the amount you use and the technique you use to apply it will depend on the situation you've got in front of you.

How long does it take for paint to dry on a cabinet door?

Bear in mind that oil-based wood paints can take several hours to dry in between coats, so allow as much time as you'll need. 7. Sand the painted cabinet doors down.

Can you reuse shellac primer?

You may want to reuse the shellac primer, the plastic wood filler, and the sanding process depending on how damaged the cabinet door actually is. Use your best judgment or ask a friend who's good at home DIY if you're not sure! Repeat steps 2 to 4 until the wood is looking flat and relatively smooth.

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