Should You Put a Barrier Between Wood and Concrete

Should You Put a Barrier Between Wood and Concrete

Concrete is a well-rounded and extremely effective construction solution, but are there any special rules you need to follow to ensure you get the most out of it? Should you put a barrier between wood and concrete?

At PPC Concrete Products, we are here to provide solutions for your construction needs, from the person working on their part-time project to commercial clients, and everyone in between.

Monthly construction output had risen an estimated 1.6% value in June 2023, and we would like to think our accessible concrete products had a small part to play by giving our clients easy access to reliable and easy-to-use construction solutions.

Is wood better than concrete for construction?

What’s the point in using an expert for a retaining wall?

In certain situations, wood has the potential to be better than concrete for construction, an example can be their pliability and various ways of manipulating it. This does not make it the better material, simply because the scope of construction expands far, requiring specialist materials to fulfil certain roles.

For example, in other situations, concrete has the upper hand in durability, longevity, making it a go-to material for foundations and other structures like retaining walls.

The benefits and drawbacks of wood


  • Wood is a renewable material, as long as it is taken from forests that are managed correctly.
  • Compared to other materials, wood is quite light, making it easier to handle and build with.
  • Wood has relatively good levels of insulation.
  • The natural aesthetic provided by wood makes it sought after in some cases.
  • Wood, depending on what kind it is, its shape and how it is cut, has the potential to be flexible.
  • Wood is susceptible to fire and can quickly spread if it is set alight.
  • Wood has the potential to rot if it is not cared for adequately.
  • Wood can be damaged by moisture.
  • Due to its light weight, it doesn’t have the same load-bearing capabilities of other materials.

The benefits and drawbacks of concrete


  • Durable, meaning it can withstand impacts better than other materials.
  • Long-lasting by nature.
  • Fire-resistant
  • Weather-resistant
  • Concrete can help to regulate indoor temperatures due to having a high thermal mass.
  • Concrete can be produced in a limitless amount of shapes, making it a dream for architects.


  • Not flexible at all.
  • Its heavyweight may make it limited in application, generally require machinery to transport depending on the use of the concrete.
  • The initial cost of concrete is higher compared to wood. However, this can vary depending on the size of the project, and various other factors.
  • The production of concrete uses high energy consumption, resulting in higher CO2 emissions.

Should you put a barrier between wood and concrete?

How To Build A Sleeper Retaining Wall

In most instances relating to construction, you should put a barrier between wood and concrete. Not only can this help the wood, but it can re-assure the structural integrity of the structure in question, and much more.

Below are four key reasons to put a barrier between wood and concrete…

Protection from moisture

Concrete is a porous material and thus has the potential to absorb moisture from the ground or its surroundings, such as when it rains. If there is no barrier between wood and concrete, the moisture from the concrete can potentially transfer onto the wood if there is no barrier.

Because of this, the wood can experience issues such as rot and mould growth. Placing a barrier between the two, especially one that is moisture resistant, can prevent this.

Chemical protection

Depending on the concrete used, and how it is produced, it can be created with certain chemicals that can react with specific kinds of wood. This can lead to discolouration and/or degradation over time.

Thermal insulation

Insulation is a critical factor for any building in construction, proper insulation can prevent discomfort and any temperature/humidity related issues. That’s why placing a barrier between wood and concrete has been known to help.

Structural integrity

Although this factor relates to specific applications, a barrier between wood and concrete can promote better structural integrity. In some instances, the weight of concrete may be too much for wood to handle directly, so a barrier can help to redistribute loads to prevent damage or breakage of the wood.

Should a concrete barrier be touching wood directly?

No. As a rule of thumb, when placing your concrete barrier, you should ensure it has a fair level of distance between it and the object it is protecting. Your perimeter should not be directly against it. By doing so, you run the risk of the following issues…

  • Moisture spreading. If the object being protected by the barrier is made of wood, direct contact between the two in wet conditions can cause the wood to be affected by moisture.
  • Placing a concrete barrier too close to the area of protection can run the risk of damaging the area, if it is a building for example, the barrier can scrape against it during installation/removal.
  • General navigation in the area may be difficult, especially if it is a building with exits that must be clear at all times.

Where to buy a concrete barrier

Where to buy a concrete barrier today

The team at PPC supplies concrete barriers for all of your needs. Our concrete barriers come in one size and are moveable with appropriate heavy lifting equipment. They also have the potential to be interlocked side by side, ensuring maximum stability and protection whilst creating a full-proof barrier for your situation.

PPC concrete barrier uses

Although the purpose of a concrete barrier is quite simple, its level of application of our concrete barriers is wide. Here is where  some concrete barriers can be used.

  • For perimeter protection during events (crowd control), construction and more.
  • For temporary construction works.
  • To protect workers from hazards such as heavy machinery.
  • To ensure the safety of motorways and dual carriageways under work
  • For security barriers at open rail lines.
  • To support a large, temporary structure, such as scaffolding, a stage, or a marquee tent.
  • To block unwanted vehicles from the site in question.
  • For docking next to waterways.
  • For creating parking bays.
  • For securing a vacant area.
  • For preventing fly-tipping.
  • To be used as a base for public seating, public artwork or a public garden feature.
  • For use in a public playground or skate park.

How much is a concrete barrier?

A concrete barrier will vary in price depending on the supplier you order from. Differences in price can come as a result of…

  • The rates of the provider.
  • The sizes available
  • The labour required to create the barrier.

With PPC, our barriers are priced based on the length of time you require them, and the amount you would require. For the best possible quote, please get in contact with us with as much information as possible regarding the need for our concrete blocks. Our expert team will work to find the best solution for you.

Purchase concrete barriers today

As an established supplier all over the UK, PPC Concrete Products is always happy to help, which is why we encourage you to get in touch with any questions you may have or have a look at our FAQ.

In this blog, we hope to have answered the question ‘Should you put a barrier between wood and concrete?’ whilst also providing extra information in regard to construction solutions that we offer.

Take a read of our case studies to truly understand how we have provided solutions for business in the past with the use of our interlocking concrete blocks, and ultimately, how we can help you today.

Read our blog page for more insights into our passion, construction.


The Old Gasworks,

Higginshaw Lane,




Opening Hours:

Monday to Friday – 8 AM until 4 PM

Tel: 01706 655245


Share on Facebook Share on Twitter Share on Google