How Long Can Concrete Block Walls Last?

Using interlocking concrete blocks is a great way to construct a wall, be it a temporary one or something more permanent. Why? Because they are durable, weather resistant and strong, meaning they are perfect for a wide range of uses, most commonly walls. And thanks to the strength of concrete blocks, they can last an incredibly long time.

So, how long can concrete block walls last?

Typically, concrete block walls can last between 50 to 100 years with proper care. However, this will depend on certain factors such as quality of the concrete, maintenance and environmental factors.

At 2 Brothers Concrete & Pumping, we produce quality concrete at our depot in Southampton. We have perfected our concrete design mix to create strong and durable interlocking concrete blocks that will last up to 100 years with the right care.

In this blog, we dive further into how long concrete block walls last and what factors will impact this.

How Long Can Concrete Block Walls Last?

As mentioned above, concrete block walls can last between 50 to 100 years with minimal maintenance.

However, if they're in more favourable conditions, they could last beyond 100 years.

On top of this, you can choose to reinforce the concrete with fibres to enhance the strength of the concrete blocks which will help them last longer.

Key Factors Affecting the Lifespan of Concrete Block Walls

Several factors will impact the longevity of your concrete block wall.

1. Quality of materials – the strength of concrete blocks will change depending on the quality of the concrete. Ensuring an accurate cement-to-aggregate ratio will improve the quality and lifespan of the concrete block wall.
2. Construction technique – ensuring that the blocks are placed correctly on top of each other, with groves and ridges lined up and interlocked.
3. Environmental factors – freeze-thaw cycles, extreme heat, and moisture exposure will impact the strength and lifespan of your concrete block wall. Salty and windy coastal areas will also have a higher impact too.
4. Maintenance and repairs – if you regularly inspect the concrete block wall and repair any damage to the blocks or replace damaged blocks, the wall is more likely to stand for longer as water will be less likely to get in and damage the block further.
5. Structural load and usage – if your concrete block wall is supporting heavy loads, it's more likely to degrade faster because of the stress put on the blocks.

How to Extend the Lifespan of Concrete Block Walls

If you want to extend the lifespan of your concrete block wall, there are a number of steps you can take.

1. Waterproofing and sealing – adding a waterproof sealant or coating to the concrete blocks to prevent water and moisture infiltration.
2. Regular maintenance and repairs – frequently inspect the blocks for cracks and fill in the gaps or replace the blocks.
3. Proper drainage around the structure – prevent water-build up near the base of the wall to reduce the risk of erosion and damp issues.
4. Reinforcement and protective coatings – if you're expecting your concrete block wall to support heavy loads, you might want to think about using steel reinforcement to improve the structural integrity.

Concrete Block Walls vs Other Wall Materials

Aside from the strength of concrete blocks, a wall made from interlocking concrete blocks provides many benefits.

Concrete Block Walls

✅ Durable
✅ Low maintenance
✅ Fire resistant
✅ Weather resistant
✅ Sustainable

Brick Walls

✅ Durable
❌ Likely to require more work with repointing

Timber Walls

✅ Strong
❌ Shorter lifespan
❌ Vulnerable to rot and pests

Stone Walls

✅ Extremely durable
❌ Costly
❌ Less flexible for modern constructions

Create A Lasting Concrete Block Wall With 2 Brothers

Interlocking concrete block walls are incredibly durable and strong. As the material is weather resistant it can last an incredibly long time, despite being exposed to a range of different conditions.

With regular maintenance and a strong concrete design mix, you can expect your concrete block wall to last anywhere from 50 – 100 years or more.

Of course, the longevity of your concrete wall will be impacted by a few factors, such as construction techniques, load bearing and environmental conditions.

At 2 Brothers Concrete & Pumping, we’ve been in the concrete industry for many years. During this time, we developed a wealth of knowledge that we’ve combined to create high-quality concrete blocks.

We create our concrete blocks in-house, and they are made to order, so we can make as many as you need in various sizes to meet your unique requirements. The concrete and blocks go through rigorous quality checks before being delivered to you, so you can be confident that they have been made to last.

Our team are based in Southampton, which is where the blocks are produced. However, we’re able to deliver them across the nation, so don’t let that put you off getting in touch with our team.

Order your interlocking concrete blocks today by calling us on 01489 552737 or completing our online contact form and we will get in touch with you.