What is considered a structural wall?

Author: Max Pagac  |  Last update: Sunday, May 31, 2026

Wall Has a Support Structure Below It A wall that has any type of support system below it will likely be structural and load-bearing. If the wall is on the first floor of the house, and there is a basement or crawlspace below, you can check in the lower level for these supports.

How do you tell if a wall is structural?

From a basement or crawlspace, check to see if another wall or support structure is directly below a first-floor wall. If a wall has a beam, column or other wall directly below or following its same path, it's a load-bearing wall. Walls more than 6 inches thick are usually load-bearing walls.

What defines a structural wall?

A load-bearing wall or bearing wall is a wall that is an active structural element of a building, which holds the weight of the elements above it, by conducting its weight to a foundation structure below it. Load-bearing walls are one of the earliest forms of construction.

What is the difference between a structural and non-structural wall?

Structural walls support the weight of the structure above them and are essential for maintaining the building's stability. Non-structural walls, on the other hand, do not bear loads from above and are primarily used for dividing spaces.

Are all external walls structural?

Generally, all external walls are considered structural elements that will require engineered plans prior to alteration. Whether they are bearing load from above or not, they form part of the overall bracing that keeps the building plumb, and in some way, will be supporting another load bearing wall.

How to Identify a Load Bearing Wall

Are stud walls ever structural?

Stud walls are often used internally in homes throughout the country. These walls are sometimes load bearing so you'll need to spend a little time following the tips in our 'how to tell if a wall is load bearing' section, to be sure one way or the other.

What is a non-structural wall called?

Non-load-bearing walls

Non-load bearing walls don't support vertical forces, or the loads of the floors and walls above. They're generally interior walls, and often referred to as curtain walls or partition walls.

What counts as a structural defect?

A structural defect is a fault that compromises the integrity of the structure – such as a damaged roof or foundation. The majority of structural defects stem from negligent or deliberately poor quality construction work, but they often aren't obvious.

Can I remove a non-structural wall?

Meanwhile, non-load-bearing walls don't have much structural importance. Most of the time, these walls are used to divide the floor into rooms. They are built with lighter materials to reduce the dead load of the entire house structure. These walls can be removed without endangering the safety of the household.

How do you identify structural and non-structural cracks?

Characteristics of structural cracks
  1. Over 1/10 inch wide – Structural cracks are usually wider than 1/10 inch (often wider at one end than the other) and grow larger over time.
  2. Stair step cracks in block or brick walls.
  3. Horizonal foundation cracks in walls, with or without bowing – These are almost always structural.

Are interior walls considered structural?

These walls are typically made of reinforced concrete, masonry, or wood, and they are strategically placed throughout a house or building to support the weight of the structure. Load-bearing walls are often the exterior walls of a house, but they can also be the interior walls as well.

How thick should a structural wall be?

A partition wall is a thin wall, about 10 centimeters thick, while load-bearing walls are usually 30 centimeters thick or more.

How do you know if you can knock down a wall?

If the wall runs parallel (they run at the same angle and so will never cross) to the floor joists above it, it is probably not a load-bearing wall. If it runs perpendicular or at a 90-degree angle to the joists there is a good chance that it is a load-bearing wall. The wall crossing the joists provides support.

How do I know my wall type?

How to identify different wall types. Identifying the type of wall can sometimes be tricky. The simplest way to tell is to tap your wall with your fist; a stud wall will be hollow sounding, as will a lathe and plaster wall. Dot and dab and, unsurprisingly, solid walls, will sound solid to the ear.

How to take out a structural wall?

Steps for Removing a Load-Bearing Wall
  1. Install temporary 2×4 braces on either side of wall to support the ceiling above.
  2. Use reciprocating saw to cut through wall plaster.
  3. Carefully cut away wood lath to reveal bare wall studs.
  4. Use reciprocating saw to cut through wall directly above each wall stud.

What is considered structural in a house?

Structural damage includes any damage that does adversely affect the livability, soundness, or structural integrity of your home, including the foundation, roof and load bearing walls. Structural damage could mean your home is in danger of collapse or failure.

Do I need a structural engineer to remove a wall?

Do I Need a Structural Engineer to Remove a Wall? Removing a load-bearing wall requires structural engineering expertise. A structural engineer will confirm what load the wall is bearing and advise how to remove it safely with necessary reinforcements, to ensure the stability of your home, during and after removal.

What is the difference between structural and non structural walls?

That is why, Unlike load-bearing walls that support the building's structure, non-load-bearing walls serve primarily as dividers to define spaces within a structure. These walls contribute to the organization and layout of interior spaces without supporting the building's overall structural integrity.

How much does it cost to remove a structural wall?

The average cost to remove a load bearing wall is around £1200-£1750, however, this price can vary depending on a number of factors including your location, and the size of the wall to be removed. Those located in London can expect to pay considerably more for the work.

What is considered major structural damage to a house?

Licensed home inspectors primarily look at the four pillars which are the foundation, floor, walls and roof. Cracking, sagging, shifting or missing features on any of the pillars may be considered structural damage if the ruin is severe.

What is considered a non-structural change in a house?

Non-structural items include things like doors, cabinet sets, flooring, trim, windows and other finishing materials. In contrast, structural deconstruction requires more integral components of a building, like load-bearing walls, to be systematically dismantled.

How much to fix structural damage?

It can cost anywhere from $5,000 to $20,000 and higher for structural repairs. The price mainly changes based on the scale of the repairs, type of foundation, damage type, and if it's repairing or replacing.

What is non-structural vs structural framing?

Non-structural metal framing, also known as drywall framing, is thinner and not as robust as structural cold-formed steel. It's only used for interior studs and cannot be used on load bearing walls. As a standard, it has a thinner galvanized coating that protects against corrosion.

What are the three types of walls?

Depending on the structural role and functional purpose of the building, walls can be divided into three main types: load-bearing, self-bearing and non-loadbearing.

Are all exterior walls load bearing?

Truth: It's common that all exterior walls in a home are load bearing, but not guaranteed. Many people assume that all exterior walls are load bearing, period. This is not always the case. It comes down to where the floor joists and trusses bear which varies depending on the type and style of house.

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