1. A dB Rating Is Measured Under Test Conditions

Many acoustic ratings are obtained in laboratory environments.

Real projects are different.

The final sound insulation can be influenced by:

• Ceiling construction
• Floor level
• Side walls
• Installation quality
• Panel alignment

A 56dB test report does not automatically guarantee 56dB performance in every hotel ballroom.

2. The Panel Core Makes a Big Difference

Some manufacturers reduce costs by using lighter internal materials.

Although the outside appearance looks similar, the internal structure is completely different.

A professional acoustic panel usually combines:

• Steel frame
• High-density insulation
• Multiple sealing layers

These components work together to reduce sound transmission.

3. Sealing Is Often More Important Than Thickness

Many buyers compare only panel thickness.

For example:

• 85mm
• 100mm

However, a thicker panel does not automatically provide better acoustic performance.

If the top and bottom seals cannot fully contact the ceiling and floor, sound will leak through the gaps.

Egood uses an adjustable jack-type sealing mechanism that allows the seals to compensate for small floor level differences, helping maintain consistent contact after installation. This design supports better acoustic performance in real projects.

4. Installation Quality Determines Final Performance

Even the best panel cannot compensate for poor installation.

We have seen projects where:

Tracks were not perfectly level.

Structural supports were insufficient.

Panels were not adjusted correctly.

The result was increased sound leakage and reduced operating performance.

For this reason, engineering support is just as important as manufacturing quality.

5. Ask for More Than a Test Report

Before choosing a supplier, don't only ask:

"What is the dB rating?"

Instead, ask:

How was the test performed?

What panel construction is used?

What sealing system is included?

Who provides installation guidance?

Can you show similar hotel projects?

These questions reveal much more about the real quality of a movable partition system.

What We Recommend

When evaluating movable partition walls, focus on the complete solution rather than a single specification.

A reliable system combines:

Stable internal structure

Effective sealing

Quality track components

Professional installation

Project-specific engineering support

That is how consistent acoustic performance is achieved-not simply by printing a higher dB number in a brochure.

FAQ

Does a higher dB number always mean a better movable partition wall?

No. Laboratory ratings should be considered together with panel construction, sealing performance, and installation quality.

Why do two suppliers both claim 56dB but have different prices?

The internal structure, sealing mechanism, hardware quality, engineering support, and manufacturing standards may be completely different even if the published acoustic rating is similar.

Can floor unevenness affect sound insulation?

Yes. Small gaps between the panel seals and the floor or ceiling can significantly reduce acoustic performance. Adjustable sealing systems help minimize this issue.

Conclusion

When comparing movable partition walls, don't focus only on the advertised dB rating.

The real performance depends on engineering, manufacturing, and installation working together as one complete system.

Choosing an experienced manufacturer helps ensure that the acoustic performance achieved in testing can also be delivered in your project.