How to Build a Brick Wall Foundation | A Simple 11 Steps Guide


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You may be wondering how to build a brick wall foundation?

We understand that masonry is considered one of the most accessible creative skills today; so many self-builders feel the desire to try it. However, this is not a task that should be taken at face value, especially if you create structural walls.

The simplest way to achieve tremendous results is to hire an excellent mason.

However, we understand that the use of an experienced tradesman can also be productive, speeding up the creation and minimizing failures.

If you want to undertake a problematic masonry undertaking, it makes sense to train. Even the most confident DIY enthusiast will have to familiarize himself with the development first.

The brick walls we know today date back at least five thousand years, in what is now India and the surrounding areas. Retaining walls block, which makes them very

Creating on this old tradition may seem deceptively easy. But beyond the fact that the basic concepts of brick and mortar are simple to understand, building a professional quality wall requires enormous idealization and, most of all, habit.

Here are some guidelines for creating a brick wall

How to Build a Brick Wall Foundation: Preparations

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Preparing the wall

In this process, it is considered that you select your bricks well.

There are many varieties of clay bricks, but they all fall into three main categories:

For example, bricks of severe weathering, which have the possibility of withstanding direct contact with the ground and moisture, have the possibility of being used for foundations, patios, garden walls, etc.

You can find bricks of medium resistance to weathering, those that can withstand temperatures below zero, and outdoor work on the ground without having any contact with the ground.

Finally, we have bricks without erosion that are only for indoor work.

How to Build a Brick Wall Foundation

Buy the right amount of bricks.

To continue with these steps, it is ideal to understand that bricks come in various shapes and sizes, but the most important thing to remember is that you must change the volume of the bricks you purchase to take into account the mortar.

The frequent bricks are the modular bricks. They have dimensions “specified” of 3⅝” of wide, 2¼” of prominent, and 7⅝” of extensive. They are usually used with mortar joints of ½” thick. You must know the mortar, each brick can occupy 4⅛” x 2¾” x 8¼” of space.

Similarly, it is considered to add the measurements of the mortar when planning your wall. The combined size of brick and mortar is called the “nominal” size of the brick.

Three rows of bricks stacked on top of each other will have 8 inches of the protrusion.

For example, if you want to build a wall 2 feet high x 6 feet long, you should calculate (24″/2¾) for the height and (72″/8¼) for the length, rounding up.

In this situation, you will need no more than 81 bricks, 9 rows of protruding x 9 bricks long.

It is best to purchase at least five additional bricks to be cut in half to start new rows, plus one added brick per row in case of damaged bricks.

brick wall foundation depth

Dig a trench for your foundation

It is required to dig a trench into settling the wall, solidifying with a precision cover. This is commonly called a footer or concrete foundation. Dig a square trench from the large and wide of your planned wall, precisely 1 foot deep.

The ideal is a calculator for concrete.

If the parent is well over 2 feet tall, it is feasible that it will require a deeper or wider trench. If the “footer” you install (as detailed below) is not strong enough to support the wall, the wall may warp or collapse.

It would help if you looked up the recommended dimensions online according to your soil’s load-bearing capacity and the project’s volume.

Make sure that the footer has optimal water drainage away from the wall. Water that collects near the footer can cause wall failure.

garden wall foundation concrete mix

Nail level wooden stakes into your trench

You should take multiple wooden stakes and place them on the ground so that the top is level. Use a level to make sure the tops of the stakes are completely level.

Mix and pour accurately to the top of the guides

At this point, you must complete the trench to the top of the stakes, leaving the space you measured for your bricks. The precise one requires 2 to 3 days to dry out and become robust, so use this time to start gathering resources and working out your measurements.

Use a finishing trowel to make sure the Precision’s top is smooth and level before it starts to dry.

You can make a notch in a “keyway joint” or “V” in the middle of the footer to help it fit into the mortar bed.

Perform your guide. Also called a dipstick, these will ensure that your wall is level. Take 2 long wooden planks or posts and measure each row of the brick wall, also popular as a row. Mark the planks where each brick should be within the mortar lines. Make sure you can nail the posts to the floor so that they are independent. They must be as high as your wall.

For the 2×6 footwall, make a 2-1/4″ mark up from the bottom; this is the height of the first brick. Make another 1/2″ mark above that, then continue this pattern to the top of the wall, here 2 feet of the protrusion.

These rods are going to be the rulers of your wall and have to be aligned identically. At this point, you should use a level and your tape measure to make sure the wall is neatly planned.

Gather your resources while the base is drying

You will need some utilities and materials for the execution of this creation. The elements to use commonly are:

  • Rope and clamps/nails (to make guidelines)
  • Mortar and a mixing bucket
  • Level
  • Brick Assembler
  • Wooden hammer
  • Measuring tape
  • Water
  • Dry bristle brush
  • Canvas or plywood to be placed at the base of the wall
  • Small torpedo level to corroborate individual bricks
  • 4-foot level
  • Steps for precise creation

How to Build a Brick Wall Foundation: Steps

For building a brick wall foundation you have to follow few steps. Here are they;

  • Begin construction of the wall
  • Combine the mortar
  • Put the first bedding mortar cover
  • Create the brick pillars
  • Cut bricks
  • Keep the pillars one course ahead
  • Make sure to adhere to the 10 mm mortar joints
  • Add a finishing stone
  • Decorative brick welding course
  • How to finish the mortar beds
  • Cleaning

Step 1: Begin construction of the wall

First, it is best to place the bricks at the two ends of the wall where the pillars will begin. This should be done after the necessary foundation has been laid. Using your rope line, make a straight guide at the brick’s height between the two outer bricks.

how to build a double brick wall

Step 2: Combine the mortar.

Once this is done, pile five shovels filled with sand and one with cement on top of an old board.

You must turn the shovel to combine until you get a color suit. Form a central hole, pour water, and combine. Repeat to get a slow and creamy texture that is wet but not quite loose.

wall foundation calculator

Step 3: Put the first bedding mortar cover.

For this step, you must place a 1-2 cm mortar bed during the thread line. Starting with a radical, place the first brick and tap to “fit.” Once this is done, smear a radical from the next brick with mortar and place it on the first one. You must reiterate using the rope line as a guide.

how to build a brick wall with pillars

Step 4: Create the brick pillars

At the point where you want your pillars to begin, place a brick sideways on the end of the wall. While creating the wall, each consecutive row of pillar bricks should be placed in the opposite direction.

Step 5: Cut bricks

When creating pillars, in some rows, you will have to place half bricks. To cut, lay the brick on its side, place the crossbar at the point of division, and hit the head firmly with a hammer. It should break cleanly the first time.

Step 6: Keep the pillars one course ahead

Always build at least one row higher on the pillars than the rest of the wall. Move the line of ropes while creating, placing it in the mortar on the pillars. For a stretcher joint, each brick’s radical should be above the center of the one underneath.

how to build a brick wall with pillars

Step 7: Make sure to adhere to the 10 mm mortar joints.

The horizontal and vertical mortar joints must be 10 mm thick. There must be 75 mm from the top of each brick with level bricks to the top of the one underneath. If your bricks absorb moisture quickly, you may want to “join” them (step 10) on the fly.

brick wall footing calculator

Step 8: Add a finishing stone

You may want to add a capstone to finish when you reach the top of the pillars. Alternatively, you can make a satisfactory effect at a lower value by putting bricks in the mortar on their sides.

Step 9: Decorative brick welding course

Adding a ‘soldier’s course’ is an interesting alternative to crown the main part of a garden wall. Rotate the bricks vertically to the extent and place them along their entire length. Use a second, higher line of rope to hold a finished suit.

Step 10: How to finish the mortar beds

To finish the beds, use the rounded edge of a brick joiner to rub the mortar into the joints. Please start with the horizontal lines and work up to the vertical lines; this makes it easier to remove any excess mortar.

Step 11: Cleaning

Finishing, gently brush the finished wall and clean any mortar that has fallen to the floor before it dries. You can use water to remove the cement from the floor, but be sure to keep it away from the newly built wall!

How to Build a Brick Wall Foundation: FAQ

How deep do the foundations for a brick wall have to be?

Your foot should reach below the frost line. If the wall is a load-bearing wall, your foot should be as deep as the wall is wide, and the width of the base should be twice as wide as the wall. So, among other things, if your wall is 12 inches thick, your base will have to be 12 inches deep and 24 inches wide.

How do you make an easy brick wall?

The steps for the execution of a brick wall are in this text. You have to continue in the right way, and you will have success in this.

Are breeze blocks cheaper than bricks?

More economical, the brick masonry is very economical compared to its brick counterpart. They are known to cost $1,500 less than brick masonry per cubic meter.


Creating a brick wall tends to be a very rigorous issue, so it must be left to professionals. If you want to do it on your own, you have to consider that a bad execution can leave some brick wall foundation detail. You should also consider using the wall foundation calculator not to lose more material than necessary. Hope you learned how to build a brick wall foundation.

Read More: How to Install a Lintel in an Existing Brick Wall

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