Drywall and Paint Prep
Drywall transforms your living room from an exposed skeleton of studs and wires into smooth, finished walls and ceilings. The quality of this work determines how your room looks for decades. Rushing drywall finishing is the number one cause of visible seams, nail pops, and wavy walls that cheapen an otherwise beautiful remodel.
Time Required
5-10 days
Cost
$3,000-$8,000
Difficulty
Professional recommended
Hanging Drywall
Ceiling first, then walls
Drywall is always hung on ceilings before walls so the wall sheets butt up against the ceiling sheets, creating a tighter joint. Ceiling drywall is typically 5/8-inch thick for sag resistance, while walls use 1/2-inch. Use screws, not nails, for a stronger hold and fewer pops over time.
Stagger seams for strength
Sheets should be hung horizontally on walls with seams staggered between rows. Never align four corners at a single point. Staggering distributes stress and makes seams less visible. At inside corners, one sheet butts against the other rather than both meeting at the corner.
Cut around outlets and fixtures
Every junction box, outlet, and switch gets a precise cutout in the drywall. The gap around the box should be no more than 1/8 inch. Oversized cutouts are a fire code violation because they allow flames to reach the wall cavity. Use a drywall router or oscillating tool for clean cuts.
The Three-Coat Mud Process
- First coat (taping): Joint compound is applied over the seams and paper or fiberglass mesh tape is embedded into it. This coat fills the gap between sheets and creates the bond. Allow 24 hours to dry completely before the second coat.
- Second coat (fill): A wider layer of compound is applied over the tape coat, feathering out 6-8 inches on each side of the seam. This coat levels out the tape ridge and begins blending the seam into the wall surface. Another 24 hours of drying time.
- Third coat (skim): The final coat extends even wider, feathering 10-12 inches on each side. This coat creates a seamless transition from the seam to the flat wall. In high-end living rooms, some finishers apply a fourth coat or skim the entire wall for a Level 5 finish.
- Level 5 finish for living rooms: Because living rooms have strong natural light that rakes across walls and reveals imperfections, a Level 5 finish (full skim coat over the entire surface) is worth the extra $1-$2 per square foot. It eliminates the subtle texture difference between mudded seams and bare drywall paper.
Sanding, Priming, and Paint
- Sanding between coats: Each coat gets a light sanding to knock down ridges and tool marks before the next coat. Final sanding uses 120-150 grit for a smooth finish. Use a sanding light held at an angle to reveal imperfections that normal lighting hides.
- Primer is non-negotiable: Raw drywall and joint compound absorb paint differently, causing visible seam flashing if you skip primer. Use a PVA (polyvinyl acetate) drywall primer to seal the surface evenly. One coat of quality primer is worth more than a second coat of paint.
- Paint before trim installation: In a remodel, painting walls before installing trim, baseboards, and crown molding is faster and produces cleaner results. You can paint freely without taping trim, and the trim covers any paint edge at the floor and ceiling lines.
- Flat or matte for ceilings, eggshell for walls: Flat paint hides ceiling imperfections. Eggshell or satin sheen on walls provides a slight sheen that is easier to clean while still hiding minor surface irregularities. Avoid semi-gloss on walls as it magnifies every flaw.
Pro Tips
- •Inspect before painting: Walk the room with a bright work light held at a low angle against each wall. Circle any bumps, ridges, or pockmarks with a pencil. Have the drywall crew fix these before primer goes on. It is far easier to spot and fix issues at this stage.
- •Test paint colors in situ: Paint large swatches (at least 2 by 2 feet) on different walls and observe them at different times of day. North-facing walls make colors look cooler, south-facing walls make them warmer, and artificial light changes everything again.
- •Keep leftover mud and paint: Store a small bucket of matching joint compound and a half gallon of each paint color used. You will need them for touch-ups after trim installation, furniture moves, and the inevitable ding within the first year.