In this article
- What you need before you start
- Step 1: Pick the spot and the height
- Step 2: Identify the wall
- Step 3: Find the structure
- Step 4: Match the mount to the TV
- Step 5: Mark and drill pilot holes
- Step 6: Fasten the plate and test it
- Step 7: Attach the brackets to the TV
- Step 8: Hang, level, lock and route the cables
- Mistakes we fix most often
- When a pro makes sense
Mounting a TV is the same job on every wall: find something solid, fasten a plate to it, hang the screen and deal with the cables. What changes from a Brickell condo to a Kendall block house to a Los Angeles bungalow is what "something solid" is and which fastener grabs it. This is the eight-step process our crews follow on every install, with the wall-specific parts called out where they matter.
If you only need one number: the center of the screen should sit about 42 inches off the floor for a living-room sofa. Everything else below is about getting it there safely.
What you need before you start
- A stud finder that reads wood and a strong magnet for steel studs or drywall screws
- A drill-driver, plus a rotary hammer if your wall is concrete or block
- Wood bits (for pilot holes) and carbide masonry bits (3/16 and 1/4 inch cover most anchors)
- A 24-inch level, pencil, painter's tape and a tape measure
- A socket set for lag bolts
- The mount, with the hardware bag that came in the box
What each tool does, and what to skip goes deeper. If you are unsure whether this is a DIY job at all, the DIY-or-pro check takes two minutes.
Step 1: Pick the spot and the height
Sit where you actually watch and look straight ahead — that is roughly where the middle of the screen belongs. For most sofas it lands at 40–44 inches; for a bed it is higher, 42–50 inches, because you sit higher and lean back. The TV height calculator does this for your exact seat and screen size, and our height chart covers bedrooms and fireplaces.
Check two things before you commit: where the power outlet is, and whether anything is inside the wall at that spot — a vent, a plumbing wall behind a bathroom, an electrical run to a switch.
Step 2: Identify the wall
This decides the rest of the job.
| Wall | How to tell | What holds the mount |
|---|---|---|
| Drywall on wood studs | Knock sounds hollow between solid spots every 16 in | 5/16 or 3/8 in lag bolts into two studs |
| Drywall on metal studs | Magnet sticks along a vertical line; common in condos | 1/4 in snap-toggles through the steel |
| Concrete block (CBS) | Drywall over thin furring strips; bit brings up gray dust | Sleeve anchors or Tapcons into the block |
| Poured concrete | Solid everywhere, very hard drilling | Sleeve or wedge anchors |
| Plaster and lath | Old house, hard surface, finders give nonsense | Long lag bolts into studs found by magnet |
| Brick or stone | Obvious | Tapcons or sleeve anchors into solid masonry |
In South Florida the surprise is concrete block: the drywall looks normal, a stud finder "finds" the furring strips, and people lag-bolt a TV into a 1x2 held on by a few nails. If the bit comes back with gray dust, you are in block — read mounting a TV on concrete.
Step 3: Find the structure
On wood framing, studs sit 16 inches apart (sometimes 24). Mark both edges of each stud and use the center line. Confirm with a thin finish nail or a 1/16-inch bit in a spot the plate will cover — finders lie more often than people think.
On steel studs, the magnet finds the screws; the stud runs vertically through them. Metal studs need a completely different fastener — see mounting on metal studs. On plaster, use the magnet method from finding studs behind plaster.
Step 4: Match the mount to the TV
Three numbers have to line up:
- VESA pattern — the hole spacing on the back of the TV (for example 400×300 mm). The mount must support it. Our VESA mount finder looks it up by model.
- Weight — the mount's rating should be at least 25% above the TV's weight without the stand.
- Stud spacing — the wall plate must be wide enough to reach two studs on a wood wall.
Fixed mounts sit closest to the wall, tilting mounts help when the TV is above eye level, full-motion arms are for corners and open rooms. Tilt vs. swivel explains the trade-offs.
Step 5: Mark and drill pilot holes
Hold the wall plate at the height you worked out, level it, and mark the holes through it. Put painter's tape over the marks first — it keeps paint and plaster from chipping.
- For 5/16-inch lag bolts into wood: a 3/16-inch pilot hole.
- For 3/8-inch lag bolts: a 1/4-inch pilot.
- For 3/16-inch Tapcons in concrete: the 5/32-inch bit from the Tapcon box, 1/4 inch deeper than the screw.
- For sleeve anchors: the exact diameter of the anchor.
On masonry, drill in rotary-only mode through the drywall, then switch on the hammer once you hit block. Vacuum the dust out of masonry holes — dust left in the hole costs a lot of holding power.
Step 6: Fasten the plate and test it
Drive the fasteners until snug, then a quarter turn more. Don't crank lag bolts until the plate bends. Then pull on the plate hard, with your body weight. We load-test every plate at roughly twice the TV's weight before the screen goes on; nothing should move, creak or shift.
Step 7: Attach the brackets to the TV
Lay the TV face-down on a blanket. Try the screws by hand: you want five or six full turns of thread into the TV without forcing. If the back is curved or has recessed inserts, use the spacers from the kit. Never use a screw longer than the kit's longest one "to be safe" — a screw that bottoms out can crack the panel.
Step 8: Hang, level, lock and route the cables
Two people lift, hook the brackets over the plate, and drop in the safety screws or locking bar. Most plates allow a few degrees of leveling after hanging; use it. Then deal with the cables — a paintable raceway on concrete, or an in-wall power kit on a framed wall. Hiding TV wires in the wall walks through both, and the wire-hiding kit tool builds the parts list.
Plug everything in and test the HDMI ports before the TV goes flat against the wall. Reaching the back of a flush-mounted 75-inch TV to swap one cable is the most annoying part of any install.
Mistakes we fix most often
- Lag bolts into furring strips on a block wall — the TV sags within months.
- Plastic drywall anchors holding a 55-inch TV. They are rated for picture frames.
- A mount hung too high "to be out of the way", then a sore neck every night.
- Extension cords run inside the wall — a code violation and a fire risk.
- One lag bolt in a stud and one in drywall, because the plate didn't reach.
Rather have a pro do it?
Exact price in about a minute — TV size, wall type and cables included. Same-day in most areas, 3-year warranty on every install.
When a pro makes sense
Concrete, metal studs, anything over the fireplace, screens 75 inches and larger, or in-wall power are where DIY installs go wrong. A professional install with us starts at $119 for a TV up to 60 inches, with no surcharge for block or concrete — the calculator gives you the exact total for your TV, wall and cables.
Gear mentioned in this article
Franklin Sensors ProSensor M210 13-Sensor Stud Finder, Live Wire DetectionStud finder: locates the framing behind the drywall.Check price →
PERLESMITH Tilting TV Wall Mount for 23–60 inch TVs up to 115 lbsTilting bracket: angles the screen down when it hangs high.Check price →
Mounting Dream Full Motion TV Wall Mount for 32-70 Inch TVs up to 110lbsArticulating arm: pulls out, swivels and tilts.Check price →
Swanson 9” Die Cast Aluminum Torpedo Level with Rare Earth Magnetics TL002MLevel: gets the bracket straight on the first try.Check price →
Hillman Sleeve Anchors, 3/8in x 3in, 50 Pack, ZincSleeve anchors for brick, block and concrete.Check price →
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