Things You'll Need
Premixed drywall compound
Drywall compound scoop
Do not use heavy pressure while applying texture. Your trowel will stick to the wall and can pull off all of your texture.
You can skim coat over lightly textured walls to provide a fresh untextured surface before applying a new texture.
Use caution when applying texture over walls that have been textured with paint and texture combinations, such as Venetian plaster. The moisture in the drywall compound can loosen the existing texture and cause it to fall off. Prime these types of textures first with an oil-based primer.
It is possible to texture over existing textured walls and ceilings as long as your existing texture has not been heavily applied. A heavily applied texture must be sanded before retexturing so that you cannot see it through the new application. Two common texture types are orange peel and knockdown. You can apply new texture right over the top of the existing texture as long as you are using a heavier texture style, such as the random trowel.
Cover the edge of all trim with painter's tape. Tape the edge of your ceiling where it meets the wall if you are not texturing your ceilings. Painter's tape will eliminate hours of cleanup. Use drop cloths to protect the floors in your work area. Drywall compound will wash off with water, but the drop cloths will also save cleanup time.
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Fill your 5-gallon bucket half full with drywall compound. Add approximately 1 inch of water to the top of the drywall compound.
Insert the mixer bit into your variable-speed drill and place the bucket of compound between your feet. Hold the bucket tightly while you mix the water and drywall compound together. If you do not hold the bucket, the water and drywall compound will fly out of the bucket when you attempt to mix them. Your drywall compound should be the consistency of a brownie mix -- not too thick, and not too thin.
Scoop drywall compound onto the flat side of your hop board. A hop board is a drywall tool that is used for texturing or as a tray to hold compound when you are using larger drywall trowels that won't fit into a drywall tray.
Dip the flat side of your trowel into the compound. Place the trowel lightly on your wall and drag it. Dip the trowel again, and place the trowel on the wall close to the first area you applied texture and push it across the wall in a different direction. Continue this pattern until you have covered the entire wall.
Based in Oklahoma City, Debbie Tolle has been working in the home-improvement industry since 2001 and writing since 1998. Tolle holds a Master of Science in psychology from Eastern Illinois University and is also a Cisco-certified network associate (CCNA) and a Microsoft-certified systems engineer (MCSE).