If you’re preparing to toss up a new coat of paint in your home, you’ve probably gathered your paint, your brushes, and your painting tape. Don’t forget the vital first step in painting, though. Washing your walls before you paint is a cumbersome task, but having a clean, dry wall before slapping down that paint can prevent all sorts of cosmetic and even health issues down the road. If you’re ready to paint, here’s how you should wash your walls first.
It can be tempting to skip this step and head straight for the paint rollers, but failing to wash your walls before painting may later lead to big headaches. If dirt, grime, or dust are left on the wall and painted over, the result could be issues like mold, mildew, or even blistering paint that will require you to start the project again or even call in a professional to treat and repair the wall. Skip the hassles that skipping this step will cause, and be sure to wash your walls before painting.
And, if you’ve hired a professional to paint your walls, don’t expect them to wash beforehand. Most professional painters don’t — so you’ll either want to hire a cleaner or do this step yourself before they start working (otherwise, you may have just paid for a paint job that will just need to be redone).
Grimy walls like the ones in your kitchen and bathroom especially need a good wash before painting. Even the walls in relatively grime-free rooms like the living room or bedroom should be washed before painting since dust, dirt, and even smoke residue can live on your walls unnoticed. Here’s how to clean the walls in the different rooms in your home.
Bedroom and living room walls
Since these walls are probably the cleanest in your house, you don’t need to use anything more than a mild soap and water mixture to wash them. Be sure to remove any dust, cobwebs, or dirt from the walls and check corners for mold before painting. You can use your vaccum to help get rid of the bigger cobwebs and dust debris.
With all the steam, food, splatters, and spills in your kitchen, you can bet that your kitchen walls have a good amount of grime on them. To make sure those walls are sparkling clean before you paint them, use a mixture of water and dish soap to cut through grease and food residue. Then use a damp cloth or sponge to rinse them clean.
In the bathroom, shower steam, hair products, and even cleaning products can leave a filmy residue on your walls. This residue, if painted over, can cause your paint to bubble up and blister eventually. Clean your bathroom walls with a mild soap and water mixture or even a cleaning product like TSP cleaner. TSP is a tough cleaning solution meant for washing walls before putting up your paint primer. Just apply the solution according to the product instructions and rinse clean with a damp cloth.
If you find any smoke residue or mold on your walls, you’ll need to remove it before painting. Here are some effective methods for removing these tough substances.
Smoke not only stains your walls but it also leaves behind a foul odor that will seep through even a fresh coat of paint. Remove smoke stains and residue with a mixture of water and baking soda. The baking soda not only removes the discoloration from the smoke but also neutralizes the smoke smell to leave your wall fresh and clean.
Mold and mildew
We can’t stress this enough: You should never paint over mold or mildew! The tricky thing about these substances is that they grow and spread, even through paint. If you paint over it, you’ll have to start your painting project again before long since you’ll see it start peeking through those layers of paint. To get rid of mold and mildew, mix three parts water and one part bleach. Using a rag or a sponge, wash the affected areas and then rinse thoroughly with a damp, clean cloth.
Before moving on to priming your walls and eventually painting, be sure to let your newly cleaned walls dry thoroughly. If they are still damp when the paint is applied, mold can grow between paint layers, and blistering can occur. Set up oscillating fans near the walls or open up the windows to get some good airflow across the damp walls.
Painting is already a tough task, so you don’t want to make it any more difficult than it is. While it can be tempting to skip the drudging task of washing your walls before painting, being diligent with this step will help prevent issues in the future with damaged paint layers and even mold that can pose health risks to you and your family. Make sure you wash those walls nice and clean so you can enjoy your new paint for years to come.
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