Marcus Chen
Painting over wallpaper is often considered a \no-no\ in home improvement. However, it can be a viable alternative to removing wallpaper, which can be tedious and potentially damaging to walls. Before painting over wallpaper, it is crucial to evaluate the wallpaper's adhesive bond, material, and surface texture. Some wallpapers are more suitable for painting over, such as those securely attached to the wall without any signs of peeling or lifting edges. If the wallpaper has noticeable imperfections, it is better to strip it off and paint the wall directly for a flawless finish. To maintain the textured look of the wallpaper, a premium, high-viscosity primer can be used to fill in grooves and create a smooth surface for painting. This process requires careful preparation and may not always lead to the desired smooth finish.
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What You'll Learn
Assess the wallpaper's condition. Ensure no peeling, bubbling or blisters
When it comes to painting over wallpaper, it is crucial to thoroughly assess the condition of the wallpaper before proceeding. One of the key factors to consider is whether the wallpaper is peeling, bubbling, or showing any signs of blistering. Here are some detailed guidelines to help you ensure that your wallpaper is in suitable condition before painting:
Firstly, carefully inspect the wallpaper for any signs of peeling. Peeling can occur when the adhesive bond between the wallpaper and the wall weakens. This could be due to factors such as high humidity, improper installation, or trapped air during application. If you notice that the wallpaper is peeling in multiple places, it is not advisable to paint over it. Instead, consider repairing the peeling sections by gently lifting the wallpaper, applying wallpaper seam adhesive, and using a seam roller to flatten it back down.
Next, check for any bubbling or blistering on the wallpaper surface. Bubbles and blisters are air pockets that can form between the wallpaper and the wall due to trapped air, changes in temperature and humidity, or an overly absorbent underground surface. Gently press on any suspected areas to ensure they are just air pockets and not more significant issues. If you find bubbling or blistering, it is important to address it before painting. Small bubbles can often be smoothed out with a wallpapering brush or a soft, dry cloth. For larger bubbles or blisters, carefully cut a small slit with a razor knife and inject wallpaper adhesive behind the affected area using an adhesive syringe.
Additionally, pay close attention to the texture of the wallpaper. If the wallpaper has a heavy or pronounced texture, it may be challenging to achieve a smooth, even paint finish. In such cases, it is recommended to use a high-viscosity primer capable of filling in grooves and crevices to create a smoother surface before painting. However, keep in mind that even with priming, the texture may still be visible to some extent after painting.
Before painting, ensure that the wallpaper is clean and properly prepared. Use a degreaser or sugar soap to gently clean the surface, being cautious not to apply too much moisture. Allow the wallpaper to dry completely before proceeding with the painting process.
By following these steps and ensuring that your wallpaper is free from peeling, bubbling, or blistering, you can help create a more suitable surface for painting and achieve a more desirable final finish.
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Clean the wall with a damp cloth. Let it dry
Painting over wallpaper is a feasible option if you are looking to change the look of your room. It can be an easy DIY fix and an alternative to the tedious process of wallpaper removal. However, it is important to evaluate the condition of your wallpaper before proceeding.
To ensure the best results, the first step is to clean the wall with a damp cloth. Vacuuming is widely recommended to remove as much dust as possible from the wallpaper surface. You can also use a degreaser or sugar soap to clean the wallpaper. Apply the cleaning product gently with a sponge, and then wash it off with a damp cloth. Make sure the wallpaper is not soaked, as too much moisture can damage the wallpaper. Once you have cleaned the wall, let it dry completely before moving on to the next steps.
After cleaning and ensuring the wall is dry, you can proceed with securing loose corners and edges. Use a strong adhesive to re-affix any loose corners and allow it to dry. If there are any noticeable seams, you can apply seam mud, sand, and texture them. It is important to ensure that the entire surface area is smooth before proceeding with the next steps of priming and painting.
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Repair any damage. Reattach loose edges with adhesive
Before painting over wallpaper, it is important to repair any damage, including reattaching loose edges with adhesive. This is because paint will not completely cover up imperfections, and the underlying issues can cause the paint to crack or peel, leading to more significant problems for the wall in the future.
Loose seams and curled edges occur when too much adhesive seeps out when applying wallpaper. This causes the bond to weaken, and the edges and seams lift or curl. To reattach loose wallpaper edges, first, raise the lifted edge with a knife, being careful not to apply too much force to avoid dripping. Let the adhesive dry for 15 minutes, following the manufacturer's directions, as some new products dry within a few minutes.
Next, gently wipe the loose seam and surrounding wallpaper with a damp sponge to remove any dust or debris. Then, using a small artist's brush, carefully apply wallpaper seam adhesive to the underside of the loose edge, ensuring an even coat without oversaturating the paper. Gently press the loose edge back into place, aligning it correctly with the adjacent paper.
Finally, use a seam roller to flatten the repaired area, working from the centre outward to remove any air pockets. Immediately wipe away any excess glue that squeezes out with a damp sponge to prevent staining or damage to the wallpaper surface. For stubborn peeling, you may need to remove the wallpaper section entirely and re-paste it or apply a new piece.
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Sand textured surfaces for an even finish
Painting over wallpaper is a feasible solution to refresh the look of a room without the tedious task of removing the wallpaper. However, it is important to evaluate the condition of the wallpaper before proceeding. If the wallpaper has noticeable scratches, tears, peels, or scratches, it is recommended to remove it instead of painting over it, as the paint may not completely cover these imperfections, resulting in an uneven finish.
If the wallpaper is smooth and in good condition, with no signs of peeling or lifting edges, it can be painted over. Before painting, it is crucial to clean the wallpaper, especially if there are grease or stains, as they may affect the final finish. Use a degreaser or sugar soap, applying it with a sponge to avoid soaking the surface.
To ensure a smooth and even finish when painting over textured wallpaper, the use of a primer is essential. Choose a premium, high-viscosity oil-based primer capable of filling in grooves and crevices to create a smooth surface for the paint to adhere to. Apply the primer generously with a thick nap roller or a brush designed for textured surfaces. Allow the primer to dry thoroughly, and apply multiple coats if necessary until the texture is no longer perceptible.
Once the primer is dry and the surface is smooth, you can proceed with painting. Use a high-quality wall paint for good coverage and adhesion. Water-based acrylic paints work well for blending and adhesion. Apply the paint with a roller, working in methodical sections, and let the first coat dry before applying a second coat. Depending on the wallpaper or print, you may need more than two coats.
For a textured finish that mimics the look of fine sands, you can use a product like A-Plus SoHo Granula® Textured Sand Finishes. This water-based decorative paint combines a rustic sandy texture with metallic effects, resulting in a subtly coarse yet consistently even finish. The texture is customizable, allowing you to create either a rough, tactile surface or a flawlessly smooth finish.
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Prime with an oil-based product to prevent moisture seepage
If you're looking to paint over wallpaper and want to keep the textured look, it's important to prime your walls with the right product to prevent moisture seepage and ensure a durable finish. Here's a step-by-step guide to help you achieve your desired results:
Step 1: Choose the Right Primer
The key to success when painting over wallpaper is to select a suitable primer. Oil-based primers are highly recommended as they offer versatility, stain resistance, and adaptability to various weather conditions. They also serve as a protective layer against moisture seepage. Shellac-based primers, such as Zinsser B-I-N, are another excellent option for interior surfaces as they dry quickly and provide great coverage. However, they might be overkill unless you're dealing with high-gloss wallpaper.
Step 2: Prepare the Wallpaper
Before priming, ensure that your wallpaper is in good condition. Check for any rips, tears, peels, or scratches. If there is minor damage, repair it by removing and replacing the affected sections. Add adhesive to loose pieces to minimize the chances of the paper falling off. If you're dealing with heavily textured wallpaper and want to smooth out the surface, apply a thin coat of joint compound (spackle) before priming.
Step 3: Prime with an Oil-Based Product
Once your wallpaper is prepared, it's time to prime. Use painter's tape to cover edges, molding, trim, wainscot, or baseboards that you want to protect. Choose an oil-based primer, such as KILZ Original, to prevent moisture seepage. Start by using a brush to cut in the corners and edges, then switch to a roller for the larger areas. Follow the manufacturer's instructions for drying time, and ensure proper ventilation during the process.
Step 4: Paint and Enjoy Your Updated Space
After priming, your wallpaper is ready for painting. You can apply your chosen paint colour just as you would to any other surface. It is recommended to use two coats of paint or more to ensure complete coverage. Allow ample time for each coat to dry before deciding to move back into the room.
By following these steps and paying close attention to the products you use, you can successfully paint over wallpaper while retaining the textured look and preventing moisture seepage. Enjoy your refreshed space!
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Frequently asked questions
Yes, you can paint over wallpaper, but it depends on the type of wallpaper. Wallpapers like fabric-backed vinyl are not suitable for painting over. If your wallpaper is smooth and in good condition, with no rips, tears, peels, or scratches, you can paint over it.
First, you need to ensure that the wallpaper is securely adhered to the wall. Remove and replace damaged sections and add adhesive to loose pieces. Next, use painter's tape to cover edges, molding, and any other areas you want to protect. Then, apply an oil-based primer to the entire surface of the walls.
You can use regular wall paint to paint over wallpaper. However, if you want to cover a bold print or make a drastic colour change, it is recommended to use a primer first.
To paint over textured wallpaper, you can use a high-viscosity primer capable of filling in grooves and crevices to create a smooth surface. Apply a generous amount of primer with a thick nap roller or a brush designed for textured surfaces. You may need to apply multiple coats of primer if the texture is still perceptible.
Painting over wallpaper can be a temporary fix if the wallpaper is peeling or lifting. The underlying issues can cause the paint to crack or peel, leading to more significant problems for the wall in the future. Removing wallpaper that has been painted over can also be more challenging.
