30mm Acoustic Silent Board for Solid Walls


Size: 1200mm x 1200mm x 30mm

Area per board: 1.44m2

Availability: In stock

Please note: The calculation doesn’t include wastage allowance

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The SilentBoard stands as an unparalleled direct-to-wall soundproofing panel engineered to bolster the mass of low-density walls. Exceptionally effective on stud walls or inferior quality brick walls, it's a catalyst in fostering serenity within your home.

Through skillful layering of various masses into a single, user-friendly installation, this product significantly enhances the airborne soundproofing capabilities of lightweight structures. Remarkably thin at 30mm, the SilentBoard provides an optimal solution for situations where constraints, like door frames or windows, restrict the use of alternative systems.

Notable Features:

- Incorporates 4 layers of diverse high-mass soundproofing materials to effectively block a broader range of sound frequencies:

1. 15mm Acoustic Plasterboard: Heavier and denser than standard plasterboard, augmenting wall mass to counter airborne noise, while retaining the same finishing qualities for seamless final decoration.
2. 3mm Mass Loaded Vinyl (MLV): Acts as a high-mass acoustic barrier to impede airborne noise.
3. 9mm Closed Cell Foam: Dampens sound energy and vibrations.
4. 3mm Mass Loaded Vinyl (MLV): A secondary layer of high mass to further diminish airborne noise.

- The acoustic plasterboard features a tapered edge, allowing smoother skim plaster finishes, while its increased density facilitates more secure wall attachments.


- Size: 1200mm x 1200mm x 30mm (1.44m²)
- Weight: 41kg (28.50kg per m²)

Thermal Conductivity:
- Plasterboard: 0.25 W/mK
- MLV: 0.037 W/mK
- 9mm Closed Cell Foam: 0.039 W/mK

Thermal Resistance:
- Plasterboard 15mm: 0.060m² K/W
- MLV: 0.095 m² K/W
- 9mm Closed Cell Foam: 0.23 m² K/W

Fire Resistance:
- Plasterboard: EN13501-1: A2-s1, d0
- MLV: Surface spread of flame tested to ISO 3795 and FMVSS 302 – Self Extinguishing
- 9mm Closed Cell Foam: FMVSS 302


Stud Wall Airborne Acoustic Performance:

  • Sound Transmission Class (STC): 52dB (DnT,w)
  • Weighted Sound Reduction Index (Rw+Ctr): 41dB (DnT,w+Ctr) - Includes correction for low-frequency performance.

Test Configuration:

  • Construction: 100mm stud frame
  • Insulation: 100mm acoustic mineral wool
  • Cladding: One layer of plasterboard on each face

Sound Reduction of Untreated Stud Wall:

  • STC: 35dB (DnT,w)
  • Rw+Ctr: 26dB (DnT,w+Ctr)

Improvement with Treatment:

  • STC Improvement: 17dB (DnT,w)
  • Rw+Ctr Improvement: 15dB (DnT,w+Ctr)

Part E Building Regulations:

  • Silent Cloud SilentBoard can be utilized to meet Part E regulations on a stud wall.
  • Installation Recommendation: Silent Cloud SilentBoard should be applied on both sides or on a secondary stud frame. For project discussions or to access the complete performance data, please contact us or download the detailed information using the button below.

Solid Wall Airborne Acoustic Performance:

  • STC: 43dB (DnT,w)
  • Rw+Ctr: 41dB (DnT,w+Ctr) - Includes correction for low-frequency performance.

Test Configuration:

  • Construction: Single skin 100mm brick wall

Sound Reduction of Untreated Brick Wall:

  • STC: 38dB (DnT,w)
  • Rw+Ctr: 36dB (DnT,w+Ctr)

Improvement with Treatment:

  • STC Improvement: 5dB (DnT,w)
  • Rw+Ctr Improvement: 5dB (DnT,w+Ctr)

Part E Building Regulations:

  • SilentBoard can be used to meet Part E building regulations, subject to the construction and quality of the existing wall. Contact us for a customized recommendation for your project.

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