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Continue reading to learn some advice on how to match drywall textures and achieve a seamless finish.
Be Sure the Width of the Drywall Matches the Existing Layer
It is important that the wall is level. To ensure this, you must use the same thickness drywall as the new layer. Otherwise, the new layer will protrude or cave in, which will look defective when finished. Simply measure the width of the existing drywall and find the matching size at your local home improvement store. One exception to this rule is plaster. You may have to use shimming to raise the final layer of your drywall patch since plaster is not always an exact size.
Use as Little Drywall Mud as Possible on the Surrounding Drywall
When taping and coating the surrounding patch area in an effort to make it as flat as possible, be sure to limit the amount of mud you use. Use the thinnest layer possible to get the job done.
Blend the Lines that Distinguish the New Layer with the Existing Layer of Mud
One of the primary focuses of a drywall patching job is to blend the lines so they are not distinguishable when the wall is finished. But there is more to this strategy than this obvious factor. For flat finishes, you could simply feather out the mud and do away with these lines entirely; but for textures, you will need to use a drywall knife or other tool to fill these crevices with excess drywall mud.
Mimic the Same Application Technique Used for the Original Texture
It is vital to use the same tools and techniques used for the existing drywall texture. If you do anything differently, you will not get the same results and your patch will not match the rest of the wall. If you did not apply the initial layer of drywall, you may want to hire a professional for assistance.
Be Sure You Use the Same Amount of Spackle as the Existing Layer of Drywall
Just like you matched the drywall width and technique, you must also match the same amount of drywall mud. If you use less mud than the existing layer, it will appear concaved; and if you use too much, it will look swollen. Work in moderate amounts so you can match the layer accurately.