Chapter 3 - Product Specifications and Quality Control - Professional engineered and solid wood flooring manufacturing at affordable prices.

Chapter 3 – Product Specifications and Quality Control


Our third chapter in this series is crucial. It talks about product specifications and quality control of engineered wood flooring.

Product specifications and quality control play a crucial role in the flooring market. It is crucial to know how these two factors work. It will allow you to produce quality flooring products that meet your customers’ expectations.

You must learn the basics to boost the value of engineered wood flooring products. That’s why we are creating a separate chapter on this topic.

What Product Specifications Should You Consider When Importing for Engineered Wood Flooring?

Product specifications and quality control work hand in hand to secure high-quality products. However, product specifications play an important role in quality control processes.

There are certain key product specifications you must consider when importing engineered wood. These product specifications ensure consistency when importing your engineered wood flooring.

1) Dimensions

Engineered wood flooring comes in different widths. The average range is from 3 to 7 inches. The average length of the wood also ranges from 1 to 7 feet.

Ensure that your manufacturer can make custom lengths. Some customers may request specific dimensions. The height and width of the wood should complement each other.

You must also verify the length and width of the engineered wood flooring. Check the quotes on the document before importing, and don’t rely on what you are being told.

2) Wear Layer Thickness

You should be mindful of this specification before importing your engineered wood flooring. An engineered wood that is either too thick or too thin can affect the quality of this product. Thus, you should know the thickness of the wood planks and wear layer before importing.

A thicker wear layer indicates quality and durability. It means you can refine and sand it as many times as possible. But remember that thicker engineered wood does not necessarily mean it is better.

Refining and sanding a wood floor removes approximately 1 mm of the wood layer. For this purpose, we recommend you opt for a wear layer thickness of 4mm and above. The wear layer thickness should not exceed 6 mm so it doesn’t affect the flooring stability.

Also Read: What Is The Best Thickness For Engineered Wood Flooring?

3) Core Material

Engineered wood flooring has different types of core material. They include 3-layer engineered wood flooring, plywood core, and vinyl structures.

Core material selection depends on your market positioning, budget, and local climate. 3-layer engineered wood flooring is best suited in cold and dry weather conditions.

The plywood core is adaptable to almost all kinds of climate conditions. But it has different core materials. The materials include Birch, Poplar, and Eucalyptus. You should ask your supplier/manufacturer for more details on this.

The vinyl structure is resistant to moisture. But it’s too thin for the top layer, which means the floor will begin to delaminate over time and also have cracks.

4) Veneer Species and Grade

It is another specification you want to consider before importing your engineered wood flooring. There are many different wood species available in the market. Each species is unique, i.e., durability, hardness, color variation, and grain patterns.

Common species include Oak, Maple, and Walnut. Oak is a trendy choice because it offers strength and durability. It is also resistant to wear and tear because it’s a dense hardwood.

Walnut is softer than oak but has darker coloration, which can be a minor imperfection. However, it’s as durable as oak.

Unpopular wood species options include cork, basswood, pine, and fir. These options are less durable and aren’t attractive.

5) Finish Type

The quality and strength of engineered wood flooring depend on the finish applied. Engineered wood flooring finishes include:

  • UV-cured treatments,
  • Varnish and wax finishes, and,
  • Lacquered and oil finishes.

Lacquered and oil finishes are the standard benchmark for quality engineered wood flooring. They both offer a high-gloss finish. It has protective layers that provide sustenance and easy maintenance.

Therefore, consider this factor if you are looking for superior durability and enriching natural color. We recommend that you import engineered wood flooring with lacquered and oil finishes.

6) Locking System

You need to understand the milling profile in the locking system. There are three types of locking systems: tongue and groove (T&G), Click-lock system, and glue-down.

T&G is a traditional system that involves fitting one plank into the groove of the next. You can either nail or staple it. The click-lock system is more of a modern choice.

You can snap the planks together without the need for nails or glue. The installation method is pretty straightforward. This method is also suitable for DIY projects.

Glue down is designed to be glued directly to the subfloor but requires a little bit of effort and skill.

Check our previous posts if you are in the selection process;
The Complete Beginner’s Guide To Engineered Timber Flooring
10 Must-Knows Before Buying Engineered Wood Flooring

What Quality Control Measures Should You Look for When Importing Engineered Wood Flooring?

Implementing effective control measures ensures that you have the best-engineered wood flooring products. It also ensures that you meet and exceed the expectations of your clients.

It will attract new customers and repeat customers to your business. This section highlights all the quality control measures you must consider.

1) Raw Material Selection for Engineered Wood Flooring

The quality of the raw materials of the wood determines the end product of the wood. Thus, selecting the suitable raw material means you are securing high-quality wood.

Selecting the suitable wood involves a series of processes. You must also inspect the wood for defects, i.e., splits, knots, decays, and insect infestation.

You can also inspect the strength, density, and other physical properties. Inspection significantly affects the wood’s sustenance and durability.

2) Production Process Monitoring

You must put in place a system to enable you to control and track the production process of your wood. Monitoring the production process ensures that your wood meets the quality and performance standards.

An essential stage of this production process is moisture content control. It means the amount of water currently in the wood. The level of water in the wood will affect its weight.

The moisture level needed in wood depends on the application and climate in which it is used. Ensure that the content of the water present in the wood is proportional to its intended purpose.

For instance, a wood that is too wet may shrink once it dries up. Dry wood can also be prone to cracking and splitting. Wood that is too moist can be exposed to decay and insect infestation. In essence, controlling the moisture content in the wood is essential.

Moisture content affects the stability, strength, and decay resistance of the wood. But you can control it through various methods like conditioning, air, and kiln drying.

Another method of monitoring the production process is gluing and pressing. This process involves applying adhesive to bond and compresses the wood layers altogether. It also ensures that the layers remain strong and durable under high pressure.

Sanding and finishing is another production monitoring process. This process enables your engineered wood flooring to be durable and aesthetically pleasing.

Also Read: Who Makes The Best Engineered Timber Flooring In 2024

3) Final Product Inspection and Testing

Testing and inspection are crucial aspects of quality control measures. This process allows you to verify the engineered wood flooring you are importing. It also ensures that the wood meets all high-quality standards and specifications.

Regular inspections of the wood at different stages help to identify any defects in the wood. Once a defect is identified, it can be treated so that the wood meets the quality standard. The other processes of final product inspection are:

  • Visual inspection where there are checks for defects, i.e., splits, cracks, knots, etc.
  • Dimensional checks where the wood’s physical properties are measured.
  • The adhesion and bonding test includes the test for strength and durability of the wood.

The inspection and testing of engineered wood flooring must include the below aspects:


Ensure the planks meet the specified length requirements. That’s because variations can affect installation and overall appearance.


Verify that the width of each plank is consistent and matches the specifications.

Overall Thickness

Measure the total thickness of the flooring. That will confirm it aligns with the stated dimensions.

Top Layer Thickness

Check the thickness of the wear layer. It affects the floor’s durability and potential for future refinishing.

Tongue Thickness

You must check the tongue thickness. It ensures proper fit and structural integrity when interlocking planks.

Groove Thickness

The inspection should also verify the groove dimensions. It guarantees a secure fit with the tongue of adjacent planks.


Assess the gloss level to confirm it matches the desired finish. Remember, this impacts the floor’s appearance and maintenance requirements.

4) Certifications and Compliance With International Standards

The engineered wood flooring you’re importing must comply with international standards. Wood productions are subject to various regulations and standards. Some of the recognized certifications and international standards include:

Forest Stewardship Council (FSC)

The FSC is an international non-profit organization. It promotes responsible and careful management of the world’s forests.

5G Valinge

5G Valinge is a click-lock flooring installation system developed by Valinge Innovation. It allows for quick and easy installation of engineered wood flooring. It also shows that the installation doesn’t need glue. Thus, you get a secure and gap-free connection between planks.

California Air Resources Board (CARB)

The compliance with this standard ensures that the flooring meets strict guidelines for low formaldehyde emissions. It also includes some engineered wood flooring products.


For engineered wood flooring, CE marking shows that the product meets European standards for performance and safety.

We cannot emphasize enough the importance of complying with these regulatory standards. They are crucial for your business; therefore, you must be familiar with the regulatory standards. Some standards are applicable in your location, and there are also international standards.

Thus, ensure that your manufacturer complies with these regulations before importing. It will also protect you from the standard penalties of non-compliance.

Final thoughts!

Product specifications and quality control play a critical role in selecting quality wood. It helps you meet your target quality and standards and ensures you get the right customers.

You’ll also attract more buyers for your product. All these, put together, build a good reputation for your business.

To help you get started, we can help you develop your ideal product specifications. We have the best-engineered wood flooring products at our disposal. Together, we will explore all the available options. Then, you can weigh these options and get the best high-quality product for your business.

The End

Do you have any other questions? If you found this article helpful, please share it with your friends and leave your thoughts in the comments section. If you are looking for a manufacturer in China, you can contact us.

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