How to Install Grab Bars on Tile
Part of our Bathroom Safety guides.
A grab bar must hold a person's weight; that means studs or anchors specifically rated for grab bars. Turn off the water (and power at the breaker for anything electrical) before starting, and follow the product manual where it differs from these general steps.
| Time | 1 hour per bar |
|---|---|
| Difficulty | Moderate |
| Tools | Stud finder, drill, diamond or carbide tile bit, level, silicone |
Step by step
- Plan height. Horizontal bars are commonly 33-36 in from the floor.
- Locate studs. Mark studs; plan bar positions to hit them.
- Mark holes. Level the bar and mark through the flange.
- Drill tile. Use masking tape over marks and drill slowly with a tile bit.
- Fasten. Screw into studs or use grab-bar-rated anchors.
- Seal. Silicone the screw holes.
- Test. Pull firmly in all directions before use.
Tips & common mistakes
- Never rely on standard plastic anchors.
- Where there are no studs, consider a tension pole.
Where to place grab bars
- Shower entry: a vertical bar at the entrance for stepping in and out.
- Inside the shower/tub: a horizontal or angled bar on the back wall at 33-36 inches.
- Beside the toilet: a horizontal bar on the side wall, or a floor-standing toilet rail if there's no wall.
When there are no studs
Use anchors designed and rated specifically for grab bars that grip the back of drywall or tile backer. Alternatively, a floor-to-ceiling tension pole (rated 300 lb for VEVOR's model) gives support without drilling. Never rely on standard plastic plugs.
Drilling through tile without cracking it
Use a diamond or carbide tile bit, low speed, no hammer action, and a little water to keep the bit cool. Once through the tile, switch to a standard bit for the backer board and stud. Fill each hole with silicone before inserting the screw to keep water out of the wall.
Choose the right bar
Textured or knurled grips are easier to hold when wet. A 1.25-1.5 inch diameter fits most hands. Stainless steel resists rust in the shower.
Frequently asked questions
Are suction grab bars safe?
They are not designed to support full body weight; use anchored bars for real support.
How much weight should a grab bar hold?
ADA guidance references 250 lb of force; properly installed bars into studs exceed typical needs.
Can I install grab bars on fiberglass surrounds?
Yes, with anchors designed for hollow walls or by reaching studs behind.
Do grab bars need to be stainless steel?
Stainless resists rust; other finishes are fine if rated for wet areas.
What length grab bar should I buy?
Common lengths are 12-36 inches; longer bars give more grip options.