Many homeowners want their wallpaper to look great for a long time but also resist water, grease, dirt, and other wear and tear. If your wallpaper is in a high moisture area such as a bathroom, or you have kids who play on it all the time, it may be necessary to protect it with a sealer. There are a few methods for doing this but varnishes and polyurethane are generally the most effective. Go here:https://anti-radiation.co.uk/
Before you coat your wallpaper, you should clean the space to remove dust, dirt and other debris that can cause the sealant to stick to the paper. This will ensure that the coating adheres and doesn’t damage the wallpaper.
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Once the wallpaper is cleaned, it’s important to dry the surface as much as possible. This can be done by wiping the wallpaper with a damp cloth or sponge. It’s also recommended that you use mold-proof wallpaper paste and add extra paste under any areas of the wallpaper near a shower.
You can apply a clear acrylic varnish such as a Decorators Varnish to help protect your wallpaper. There are many types of varnishes available with varying degrees of sheen and gloss. You can find these at most hardware stores and they can be painted directly onto your wallpaper.
Traditional paper wallpapers benefit the most from a liquid coating, says Davant Davis, director of distribution and coatings for INX International Ink Co. Liquid coatings are not usually used on vinyl or fabric wallcoverings because they don’t need the added durability.