Grab bar height and placement at home: toilet, tub and shower (and why suction bars aren't enough)

Start with where you need a hand

Watch where you reach when you get on and off the toilet, step over the tub wall or stand up from a shower seat. That is usually where a bar belongs. CMHC (Canada Mortgage and Housing Corporation) says grab bars should be installed to suit the particular users, and that too many grab bars are better than not enough. Independent Living Centre Tasmania notes that in private homes bars can go anywhere with proper support and where they help most, and that they should be placed so the sink, taps, toilet roll holder and towel rail won't be used for support, since those aren't built to take your weight. Choose a bar with a non-slip or textured surface for wet hands.

• Wall-mounted stainless grab bar
• Moen Home Care grab bar – Approx. C$36–130 depending on length and finish

Related guide: Bathroom safety setup

Official sources: CMHC: Renovating for Accessibility, Bathrooms (PDF) · Independent Living Centre Tasmania: Grab rails, a selection and installation guide (PDF)

Common heights and sizes: what the codes say

The US 2010 ADA Standards put horizontal grab bars 33 to 36 inches above the floor, measured to the top of the bar, with a round bar 1¼ to 2 inches across and a 1½-inch gap to the wall, and the bar, fasteners and wall must handle 250 pounds of force. Those rules are written for public and commercial buildings. In residential dwelling units covered by the ADA, the Standards allow wall reinforcement for future grab bars instead of the bars themselves. CMHC's home renovation guide suggests bars 30 to 40 mm (1¼ to 1⅝ in.) across, a 35 to 45 mm (1⅜ to 1¾ in.) gap to the wall with room above to grasp, and notes that CSA Standard B651 calls for mounting that supports at least 133 kg (about 290 lb). Use these numbers as a starting point, then hold a bar against the wall in different spots before drilling to find what suits your height and reach.

Official sources: U.S. Access Board: 2010 ADA Standards, grab bars (609), toilets (604), tubs (607) and showers (608) · CMHC: Renovating for Accessibility, Bathrooms (PDF)

Beside and behind the toilet

For a home toilet, CMHC suggests a bar beside the toilet about 12 inches (305 mm) above the toilet seat, extending at least 18 inches (455 mm) in front of the seat so it can be grasped during a transfer, and a bar behind the toilet at least 24 inches (610 mm) long. In public washrooms, the ADA calls for a side-wall bar at least 42 inches long, no more than 12 inches from the back wall and reaching at least 54 inches from it, plus a rear-wall bar at least 36 inches long. If there is no wall beside the toilet, or other people find a fixed bar in the way, CMHC points to a fold-down (flip-up) bar that folds up against the wall when not needed. A raised toilet seat with arms or a toilet safety frame is another option where a wall can't take a bar.

• Moen Home Care flip-up grab bar – Approx. C$190–195 (30-inch)
• Moen Home Care grab bar – Approx. C$36–130 depending on length and finish
• Wall-mounted stainless grab bar
• Raised toilet seat with arms
• Toilet safety frame

Related guide: Choosing a raised toilet seat

Official sources: CMHC: Renovating for Accessibility, Bathrooms (PDF) · U.S. Access Board: 2010 ADA Standards, grab bars (609), toilets (604), tubs (607) and showers (608)

At the bathtub

CMHC calls a vertical grab bar on the wall beside the bathtub highly recommended for everyone. It suggests one at least 48 inches (1,220 mm) long, mounted just inside the tub enclosure, to hold while stepping in and out. A horizontal bar along the long wall is usually placed 7 to 11 inches (180 to 280 mm) above the tub rim, and some people also want a vertical bar they can reach while sitting in the tub. The ADA's layout for public tubs with a removable seat uses two bars on the back wall, one 8 to 10 inches above the rim and one 33 to 36 inches above the floor, with shorter bars on both end walls at the front edge of the tub. If you use a tub transfer bench, place the bars so you can reach them while sitting on the bench and swinging your legs over.

• Wall-mounted stainless grab bar
• Moen Home Care grab bar – Approx. C$36–130 depending on length and finish
• Tub transfer bench
• Drive Medical Plastic Tub Transfer Bench with Adjustable Backrest – approx. US$52–120 depending on retailer
• Non-slip bath mat

Related guides: Getting in and out of the tub · Shower chair vs tub transfer bench

Official sources: CMHC: Renovating for Accessibility, Bathrooms (PDF) · U.S. Access Board: 2010 ADA Standards, grab bars (609), toilets (604), tubs (607) and showers (608)

In a walk-in shower

CMHC suggests a vertical grab bar at the shower entrance, 3 to 5 inches (80 to 120 mm) from the outside edge of the shower enclosure, with its lower end 24 to 26 inches (610 to 660 mm) from the floor and at least 39 inches (990 mm) long, so people of different heights can grasp it. For a public transfer-type shower, the ADA puts bars across the control wall and along the back wall, and requires horizontal bars to be at the same height. If you shower seated, put a bar where you can reach it from the seat to steady yourself and to stand up. CMHC adds that wood backing on all shower walls, floor to ceiling, allows bars to be placed wherever they're needed, now and later.

• Shower chair with back
• Medline shower chair with back – approx. US$35–50
• Handheld shower head with long hose

Related guide: Shower chair vs tub transfer bench

Official sources: CMHC: Renovating for Accessibility, Bathrooms (PDF) · U.S. Access Board: 2010 ADA Standards, grab bars (609), toilets (604), tubs (607) and showers (608)

Vertical, horizontal or angled?

Independent Living Centre Tasmania describes the jobs each direction does. Horizontal bars help you push up from, or lower down to, a seat such as the toilet, and give balance while standing, for example in the shower. Vertical bars help you pull up from sitting or step up a single step, such as over a tub wall or into a shower. L-shaped bars combine both, so you can push, pull or do a mix. Angled bars let you rest your forearm on the bar, which can help with painful hands or wrists, and a 45° bar is commonly paired with a horizontal bar beside a toilet. CMHC notes that most people prefer horizontal bars along side walls, while others want one horizontal and one vertical bar to get out of the tub.

• Moen Home Care grab bar – Approx. C$36–130 depending on length and finish
• Wall-mounted stainless grab bar

Official sources: Independent Living Centre Tasmania: Grab rails, a selection and installation guide (PDF) · CMHC: Renovating for Accessibility, Bathrooms (PDF)

Studs, blocking and anchors

CMHC says grab bars must be installed into a wall with enough support to carry a person's weight, meaning studs or reinforced walls. Independent Living Centre Tasmania advises fixing at least two points into studs at each end, using a masonry drill bit on tiled walls to avoid cracking tiles, and asking a qualified builder if you're unsure whether a wall is suitable, since some walls can't take a person's full weight. Studs are often not where you want the bar, which is why CMHC recommends adding blocking or ¾-inch (19 mm) plywood behind bathroom walls during a renovation. Some grab bar makers sell anchors designed for hollow walls. Moen's SecureMount anchors, for example, need 3½ inches of space behind the wall, work only in the wall types Moen lists (½ or ⅝ in. drywall, drywall with tile or marble, and ⅛ or ¼ in. fibreglass tub surrounds), and are rated for people up to 300 lb when installed exactly as instructed. Ordinary drywall plugs are not a substitute. Check bars regularly for looseness, rust or a bar that turns in its fittings.

• Moen Home Care grab bar – Approx. C$36–130 depending on length and finish
• Moen Home Care flip-up grab bar – Approx. C$190–195 (30-inch)
• Wall-mounted stainless grab bar

Official sources: CMHC: Renovating for Accessibility, Bathrooms (PDF) · Independent Living Centre Tasmania: Grab rails, a selection and installation guide (PDF) · Moen: SecureMount Anchor SMA1000 technical specification (PDF)

Why suction bars aren't for weight-bearing

Suction-cup bars hold only as long as the seal does. Drive Medical's own product page says its suction grab bar is a balance assist only, is not intended to support body weight, and that a permanently mounted grab bar should be installed if you need to put weight on it or use it for leverage. A 2025 laboratory study from Toronto tested 18 suction handholds from two brands on six common tub-wall surfaces under bathing conditions. None stayed effective for the planned 28 days, at least one failed on the first day on every surface, and most failures were the handhold sliding along the wall. If you use one at all, use it only as a light touch for balance on a smooth, non-porous surface that isn't across a grout line, and test it before every use, as the maker's instructions say.

• Suction grab bar

Official sources: Deen et al. (2025), Suction cup handholds have low efficacy in laboratory evaluation (J Rehabil Assist Technol Eng, via PMC) · Drive Medical: Suction cup grab bar product page (balance-assist caution)

When a wall bar won't work

Some walls can't safely take a bar, and some toilets have no wall beside them. A toilet safety frame or raised toilet seat with arms gives you something to push up from without drilling. A floor-to-ceiling security pole can provide a handhold beside a toilet, chair or bed when correctly installed, but it needs a solid, level floor and ceiling and regular tension checks. A tub transfer bench lets you sit and slide over the tub wall instead of stepping over it.

• Carex toilet safety frame – approx. US$43–55
• Toilet safety frame
• Vive raised toilet seat with handles – approx. US$65–80
• Stander Security Pole – From approx. US$210 (approx. US$250 with curve grab bar)
• Tub transfer bench

Related guides: Getting in and out of bed safely · Choosing a raised toilet seat

Official source:

When to hire a pro or ask an OT

Consider a qualified installer if you can't find studs where the bars need to go, if the wall is tiled or a fibreglass tub surround, if the person using the bar is heavy, or if you're not confident with a drill. Independent Living Centre Tasmania recommends asking an occupational therapist about position and direction, because the right spot depends on the person's strength, reach, size and height. An OT can watch you get on and off the toilet and in and out of the tub, then mark where the bars should go before anything is drilled. In Ontario, the March of Dimes Home and Vehicle Modification Program and Ontario Renovates may help with home modifications for eligible people; our funding guide has the details.

Related guide: Home accessibility funding in Ontario and Canada

Official sources: Independent Living Centre Tasmania: Grab rails, a selection and installation guide (PDF) · CMHC: Renovating for Accessibility, Bathrooms (PDF)

Cost and funding (Canada and US)

Ontario's Assistive Devices Program lists grab bars, bath and shower aids, raised toilet seats and home renovations as not covered. The federal Home Accessibility Tax Credit (line 31285) covers up to $20,000 a year of eligible renovation costs for a person 65 or older or eligible for the disability tax credit, for permanent changes that improve access or reduce the risk of harm. The CRA says items that won't become a permanent part of the home are generally not eligible, so a suction bar wouldn't count. Paid work by a professional generally qualifies, but your own labour doesn't. The CRA's medical expenses guide also lists bathroom aids that help a person get in or out of a tub or shower or on or off a toilet, with a prescription. Keep receipts. In the US, the Medicare durable medical equipment reference list says grab bars are denied as a self-help device that is not primarily medical in nature, so original Medicare doesn't pay for them.

Related guide: Home accessibility funding in Ontario and Canada

Official sources: Ontario.ca: Assistive Devices Program (what is not covered) · Canada Revenue Agency: Home accessibility expenses (line 31285) · Canada Revenue Agency: Medical expenses (RC4065) · CMS: Durable Medical Equipment Reference List, NCD 280.1

Safety notes

• Suction grab bars are a balance aid only. They can release without warning and must never hold your body weight or be used to stop a fall.
• Anchor wall grab bars into studs or approved blocking, never drywall alone, and follow the manufacturer's instructions or use a qualified installer.
• Check the weight capacity and fit of any seat, rail or pole, and follow the manufacturer's instructions.