What Is the Best Acrylic Sheet Thickness for Soundproofing?

‍‍If you’ve ever stood beside a noisy street, a busy workshop, or even a humming machine room, you know how sound travels — through every small gap, every thin wall. And that’s where acrylic sheets often come in.

People love them for being clear, strong, and light. But here’s a question we get all the time at Apexplast:

“Can acrylic sheet actually block sound? And if yes — what thickness works best?”

Let’s unpack that.

1. How Acrylic Sheets Help with Soundproofing

Technically, acrylic isn’t a full “soundproofing” material like layered acoustic panels or laminated glass. But it does reduce sound transmission, especially when used as a secondary barrier — like in windows, enclosures, or protective partitions.

What makes acrylic effective is mass and density. The thicker and denser the sheet, the harder it is for sound waves to pass through. Unlike thin glass or PVC, acrylic provides a rigid, non-resonant surface, which dampens nose vibration.

And unlike traditional glass, it’s safer, lighter, and easier to cut or curve — perfect for design flexibility.

2. The Ideal Thickness Range

Now, the golden question: what’s the best thickness?

It depends on where you use it. Here’s what our engineers at Apexplast recommend based on years of production and customer projects:

In short: the thicker, the better for sound reduction.

But it’s not just about thickness — also how it’s installed. Tight sealing and framing matter more than most people think.

3. Why Choose Acrylic Instead of Glass

Many architects and DIYers switch from glass to acrylic for one simple reason — performance with practicality.

Acrylic sheets weigh about half as much as glass, yet offer similar transparency. They don’t shatter easily, and they resist UV yellowing when sourced from reliable manufacturers like Apexplast Factory.

For outdoor or exposed installations, we usually suggest extruded acrylic sheet for its consistent thickness and excellent UV resistance. For sound-sensitive or aesthetic projects, cast acrylic sheet delivers superior clarity and polishability.

Both are available in custom sizes and thicknesses — that’s what we do best at Apexplast.

4. Apexplast: Behind the Sheet

Behind every clear panel you see, there’s a factory that decides how it performs.

At Apexplast, we don’t just ship sheets — we engineer them.

Our production lines include:

Cast acrylic sheet workshops with precise temperature control

Extrusion lines for uniform thickness and high-volume supply

Quality testing for optical clarity, UV resistance, and impact strength

We’ve supplied acrylic materials to builders, display makers, and acoustic engineers across more than 60 countries.

What keeps them coming back isn’t only our quality — it’s our willingness to listen, adapt, and deliver.

5. Final Thoughts — and a Simple Truth

So, what’s the best acrylic sheet thickness for soundproofing?

If you just need to cut down noise — start from 8 mm.

If you want real quiet — go beyond 12 mm, or try double layering.

Soundproofing is rarely perfect. But with the right acrylic sheet, made by a factory that understands structure, density, and light — you’ll get performance that feels right, not just looks right.

Ready to Start?

Tell us about your project — your space, noise source, or design goals.

Apexplast will help you choose the right acrylic sheet and thickness for your needs.

Contact us today for a free consultation or quote.

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