Bathroom Vanity Against Wall? Expert Ideas

Bathroom Vanity Against Wall? Expert Ideas

If you are planning to renovate your bathroom or design a new bathroom for you, then installing a bathroom vanity is considered to be a great option. Its beautiful design enhances the look of your bathroom. It provides outstanding facilities such as a cabinet holding the sink, enabling a storage area for all of the everyday requirements, accessories, and cleaning supplies you require in the bathroom. It’s greatly useful than a pedestal sink. But before beginning this process some doubts pop up and also there are some things that you need to take care of. Like, bathroom vanity against wall?, how to install bathroom vanity against a wall, gap between bathroom vanity and wall, etc. Well, all your doubts will be cleared in this insight. 

The majority of the people install their bathroom vanities against a wall. But sometimes, you may see a back-to-back island-style vanity. If you are replacing an old vanity, then most probably you would like to install it in the same place.

Besides installing a bathroom vanity, you would also prefer to go for bathroom vanity decor ideas. So overall this insight will offer you valuable information regarding bathroom vanity decor ideas and similarly clear doubts of installing bathroom vanity against wall.

Should bathroom vanity be against the wall?

In the majority of the cases, the bathroom vanity is installed against a wall. The reason being, it is essential to have plumbing to provide water to your sink and drainage for the water that is being used up, also, placing it against the wall makes the installation process very easy. Almost all of them prefer to have a vanity mirror above their sinks and a wall is an accessible place to hang the mirror.

This provides a unique example of the double vanity. Despite being side by side against a wall, they are configured in an island shape. The double mirrors are insulated on a specially built frame for that purpose, and rough plumbing would occur beneath the vanity structure.

Another option to go for is to back up your vanity to your stand up shower wall. In this way, the shower and the vanity can be plumbed at the same time.

Also, you can go for free standing and wall mounted vanities as there are many all-in-one vanity units attainable now which is very easy to install. As they are constructed with open backs and they need to go against a wall. This is an incredible example of a free-standing all-in-one vanity.

Wall mounted or floating vanities should also be against the wall. It’s a component of the design that a wall is obtainable for the mounting work. The great thing about a floating vanity is that the floor extends beneath it, enabling a tidy look to your bathroom.

How to Install Bathroom Vanity Against Wall?

While installing your bathroom vanity against wall, you’ll need to trace its outline on the wall. Then you will have to level your vanity and add shims on the floor. Then you need to measure and drill holes for your rough plumbing pipes.

Many vanities appear with pre-drilled holes for easy installation, but if it’s not then you’ll have to drill holes on the vanity to line up with your studs. If there are huge gaps on the floor, you can use a piece of trim molding to bend the difference.

Installing A Wall-Mounted Vanity

Wall-mounted vanities are outstanding for homes where the floor is probably a touch off-level. If you have a considerable system of studs on your walls, you are free to install this. There is a need to find your studs as before, but this time you’ll put in a length of bracing that fits the length of your vanity. Then, you are free to hang your vanity onto the bracing.

You can install the vanity according to the following steps:

Step 1: Try the sink before installing the bathroom vanity

Many installers make an error of thinking that installing a bathroom vanity is over once it has been attached to the bathroom. But, the installation can be greatly disturbed if the sink is too large or small for the countertop. There’s nothing tiresome for an installer to mix a batch of epoxy glue for a sink installation to start all over again after adjusting to the size of the sink’s lip. To eradicate this problem, it’s better to assess the sink out and see if all sides of the lip are covered equally. If so, they are free to attach the sink.

Step 2: You can look for finishing beads if needed

Maximum vanity installations need bead caulking before the installing process can be effectively wrapped. Generally, there will be a slight but noticeable gap either on one side of the piece or both. These can be replenished with a simple bead of either silicone or latex glue. Silicone glue is ideal for the side of the countertop that compresses up against a cabinet panel, while paintable white latex is ideal for filling in the seam between the countertop piece and a wall. You can use a painter’s tape if required, and remove the glue with the edge of the finger bit by bit.

Step 3: Install the bathroom vanity against the wall

For installing the bathroom vanity against wall, you will need to notch out some spaces for your pipes. Now, moving the bathroom vanity in place, begin measuring for correct location and leveling. If your vanity isn’t leveled, shimming the legs will be the next step. Once it’s done, attach the bathroom vanity to the wall, utilizing the correct screw length for your bathroom vanity. 

Step 4: Install bathroom vanity top

Assemble to install your bathroom vanity top by adding a 3/8″ bead of silicone caulk to the top of your vanity base where the top will fit exactly. You might need an assistant to set it correctly. Allow the caulk to dry. If your bathroom vanity is against a wall it would be better if you apply a bead of caulk to seal the gap between the wall and vanity top to avoid any water leaking down.

Step 5: You can reconnect Plumbing

You need to hire a professional to prevent any leaks or problems all the way.

How much Gap Between Bathroom Vanity and the Wall?

According to the International Residential Code, on which all other building codes are established, there should be a  minimum clear floor space area of 21 inches in front of bathroom vanity. Measure from the front edge to any wall or fixture opposite to define the precise clearance present. A clear floor space of 15 inches, calculated from the center of the sink or vanity to any sidewall is also required. While these clearance measures depict the minimum required, home-building experts approve a clear floor space in front of a sink or vanity of 30 inches.

If you are going for definitive placement against the wall, your bathroom vanity can go up against the wall. Most are created with open backs for easy access to plumbing. Plus, if you prefer to use a backsplash, expect it to seamlessly mesh with your countertop and avoid any type of gap.

The thumb rule for the gap between the sink and the wall is a minimum of 15″ to 20″ from the back wall to the center of the sink. The back edge of the sink should be roughly 4″ from the wall.

Fixing gaps between vanity and back wall

Two types of gaps are commonly referred to here. Gaps between the back of the vanity and the adjacent wall, and gaps that mostly occur on the sides of a vanity.

Using a bathroom sealant tape

The simplest way to fix medium-to-small gaps between walls is to make use of bathroom sealant tape to get rid of small (but noticeable) spaces between a cabinet and the back wall. It is very easy to use. Just attach the tape on clean surfaces to get rid of moisture and smoothen your vanity’s lining.

Using caulk and backer rod

Another easy way to ensure that you get medium-sized gaps out of the way is to place a backer rod in the cabinet’s gap. Once the backer rod is in place, use caulk to seal the rod in and enable to blend of the rod with close surroundings.

Using thicker backsplash

To avoid the gap between the vanity and the wall is to use a thicker backsplash. Thicker backsplashes can make gaps appear almost absent while giving you the look of having a cabinet that flushes with the wall.


Hope this insight was helpful and must have cleared your doubts like should bathroom vanity be against wall or not. As discussed for most people the bathroom vanity should be installed against wall.

Share This

Leave a Reply

Your email address will not be published. Required fields are marked *

Back to top