Why Are Brick Houses So Strong? (2024)

Today’s Wonder of the Day was inspired by Ella. Ella Wonders, “What are bricks made of?” Thanks for WONDERing with us, Ella!

We were walking leisurely through the fields of the Wonderopolis farm the other day when we came upon the barn and caught a snippet of three little pigs having the following conversation:

Little Pig #1: Hey! I was thinking about building a house. Any ideas of what I should use?

Little Pig #2: Well, you could use straw. Hee hee

Little Pig #3: Yeah! Yeah! Or sticks. Yeah, use sticks! Ha ha ha!

Little Pig #1: What's so funny? Am I missing something here?

Little Pig #2: Are you serious?

Little Pig #3: Yeah, please tell us you're joking!

Little Pig #1: I don't get it. Would someone please tell me what's so funny?

Little Pig #2: Um…doesn't this conversation remind you of a familiar story?

Little Pig #3: Yeah, you know, with three little pigs and a Big Bad Wolf?

Little Pig #1: You mean that story's true? Yikes! I guess I should use bricks then.

Little Pig #2: Of course, it's true. And, yes, you should definitely use bricks.

Little Pig #3: The hardware store over on Route 7 has them on sale this week…

Little Pig #1: Thanks for the advice! (wanders off)

Little Pig #2: You're welcome. (shakes head)

Little Pig #3: That dude is totally going to be bacon by the end of the week!

We don't know about you, but we hope that Little Pig #1 heeds the advice of the other two little pigs. Building a house of straw or sticks just isn't the smart thing to do when bricks are available!

The first human beings probably used wood and stone to build the first structures. However, using bricks probably wasn't far behind. Scientists know that bricks were made long before written history. And they're still very popular today, thousands upon thousands of years later.

The main ingredient in bricks is clay, which comes from the ground. Clay results from the break-up of rock over time. Weather, chemical reactions, volcanoes, and even glaciers can grind rock into a fine powdery earth called clay over long periods of time.

When it is wet, clay can be shaped easily by hand. Early clay bricks were probably made by shaping the clay into a suitable shape for a building block and then allowing it to dry in the sun.

Today, bricks are mainly made by machines. Clay is pressed into a mold and then baked at over 1,000 degrees Fahrenheit until the brick is very hard. Bricks are often made by creating large columns that are subsequently cut into smaller individual bricks. A large brick factory in England can produce as many as 16 million bricks in a single week!

Many bricks are naturally red in color because of the presence of iron in the clay used to make them. Bricks of different colors can be made by adding other substances to the clay before baking them.

So why is brick such a great building material? Not only can it withstand the huffs and puffs of the Big Bad Wolf, but it's also basically maintenance free. Over long periods of time, it doesn't break, rot, or need to be painted. Bricks also will not be eaten by termites or other insects that might otherwise feast on a house made of straw or sticks.

Why is brick so strong? When fired at extremely high temperatures, the clay particles fuse together to form a super-strong bond that makes clay bricks into metamorphic rocks. Clay bricks are stronger than concrete and many other building materials.

When combined in an interlocking pattern with other bricks and held together by a cement called mortar, bricks make sturdy structures that can survive for hundreds, if not thousands, of years with very little maintenance. For example, the Great Wall of China was built over two thousand years ago with nearly 4 billion bricks!

Why Are Brick Houses So Strong? (2024)

FAQs

Why are brick houses so strong? ›

Why is brick so strong? When fired at extremely high temperatures, the clay particles fuse together to form a super-strong bond that makes clay bricks into metamorphic rocks. Clay bricks are stronger than concrete and many other building materials.

Why is brick so strong? ›

When clay bricks are formed, the clay is set into a mould and fired at blistering heat, locking in the strength of the fired clay. The resulting clay brick has the capability to withstand up to 10,000 psi, allowing clay bricks to be a reliable construction material for use in any project.

Why are bricks so durable? ›

The reason why the brick turns into such a durable material is that, when fired through a kiln at up to 2000 degress, clay unit goes through a vitrification process which fuses the clay particles together.

What is the advantage of a brick house? ›

Pros of building a brick home

Brick houses are incredibly durable and can last for many years. They are also fire and weather resistant and can protect your home from the damage of harsh storms, making them a great option for homeowners who live in areas that experience severe weather conditions.

Are brick homes more durable? ›

A brick home lasts longer than concrete and is more durable than wood. While wood has many benefits, it is not as reliable as using brick. Wood has a tendency of attracting different types of pests and may require treatment. Termites or other insects are not a threat to brick or concrete.

Are brick houses stronger than concrete? ›

The average concrete block can withstand 3500 psi (pounds per square inch) while a conventional clay brick can take 3000 psi. Mortars high in cement content can endure up to 2500 psi, while high-lime mortars are weaker, only being able to handle 350 psi.

How strong are house bricks? ›

The Mechanical Properties of Unreinforced Brick Masonry reports that the average concrete block can handle around 3500 psi. On the other hand, your standard clay brick can withstand 3000 psi.

How much stronger is a brick house? ›

Speaking of the elements, brick can withstand even the most violent storms that wood and vinyl cannot. It also has natural moisture control. Brick wall systems minimize wood rot, insect infestations, and mold growth. It also has a built-in moisture control system.

Is brick stronger than steel? ›

There's no doubt that brick is a tough materials, but steel holds its own as one of the strongest and most long lasting construction materials on the market.

What are three 3 advantages of brick as a construction material? ›

Clay bricks are affordable, readily available, mass-produced, thoroughly tested modular building components. Their relatively high mass results in desirable acoustic and thermal properties. They require little or no maintenance and possess high durability and loadbearing capacity.

Is brick as strong as concrete? ›

Concrete blocks must have a minimum compressive strength of 1,900lbs per square inch, but many blocks' strength vastly exceeds this limit. If we measure the strength in psi, concrete blocks come out on top over bricks. The former can withstand 3,500 psi, whilst bricks' limit is found at 3,000 psi.

Can bricks break easily? ›

Bricks are made of compressed baked clay with inflexible properties. As a result, they're more likely to crack when your house settles or due to external factors. Brick walls with small cracks are common and typically harmless. However, large brick cracks on the exterior of your house can indicate a foundation issue.

Why are brick houses strong? ›

Clay bricks are strengthened by firing them to approximately 2000o Fahrenheit. As a result, bricks are considered a noncombustible material and aren't even included in many home fire studies because can't catch fire.

What are the disadvantages of a brick home? ›

Expense – Though durable, brick is more expensive than many other building materials, and a brick home may cost 6 to 7 percent more than one with vinyl siding. Deterioration – Porous brick can be vulnerable to mold in damp conditions, and It can also be damaged by plant growth, such as ivy.

What are the strengths and weaknesses of brick? ›

The Pros and Cons of Brick vs. Other Building Materials
  • Durability and Longevity. ...
  • Fire Resistance. ...
  • Thermal Insulation. ...
  • Soundproofing Capabilities. ...
  • High Initial Cost. ...
  • Heavyweight and Structural Limitations. ...
  • Limited Design Options. ...
  • Time-Consuming Construction Process.
May 25, 2023

Will a brick house survive a tornado? ›

Brick buildings, with their inherent weight and strength, are remarkably adept at withstanding these high winds. Their mass and solid construction act as a buffer, effectively absorbing and dispersing the energy of the wind.

How many years can a brick house last? ›

Brick houses can last at least 100 years with minimal maintenance. With regular care and attention, including mortar repointing, brick houses can last 500 years or more.

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