Skim coating walls. For when they’re too rough for paint. Here’s the process.
What It Is
Thin layer of joint compound over entire wall surface. Creates smooth base for painting.
Covers texture, minor damage, uneven surfaces. Not structural repair. Cosmetic.
When To Do It
Removing wallpaper left damage. Knock-down or popcorn texture you hate. Old plaster with hairline cracks.
New construction rarely needs it. Existing homes often do.
The Compound
All-purpose joint compound works. Pre-mixed is easier. Powder type for those who want control.
Thin it slightly. Should spread easily. Too thick leaves ridges.
Tools
Wide drywall knife. 12-inch minimum. Bigger is actually easier.
Magic trowel for large areas. Roller to apply, knife to smooth. Faster coverage.
Technique
Apply thin coat. Let dry completely. Sand lightly. Apply second coat. Repeat as needed.
Crosshatch pattern. First coat horizontal. Second coat vertical. Fills low spots.
Sanding
Wear mask. Drywall dust is nasty. Pole sander for walls. 120-grit.
Prime after sanding. Don’t skip. Primer seals the compound.
Difficulty
Not hard but takes practice. First wall won’t be perfect. Gets easier with experience.
Work in sections. Don’t try whole room at once. Learn on closet first.