Acoustic overlay board for existing timber floors.


18 mm thick tongue and grooved cement particle board laminated to a 10 mm thick resilient layer. It has been designed for use as a floating overlay floor supported on decking.

Features and benefits:

  • Ideal for refurbishments where floor height is an issue.
  • Cement particle board ready for final floor installation.
  • Economical and easy to fit.
  • High performance impact and airborne sound reduction.
  • Hard wearing and durable.
  • Suitable for new builds with conventional timber joists, I-joists and metal web joists. May also be used on conversion projects.
  • Suitable for underfloor heating.


Acoustic overlay board for existing timber floors.

General information

Uniclass 2015

Pr_25_71_97_60 ParticleboardsPrimary


K11/225 Particleboard floating floor

K11/275 Acoustic separating floor system

Specification data - Particleboards

Product Reference

SoundBoard 28 Plus - 1289

Standard product features

Size (h x w x l):

28 x 600 x 1200 mm.


24.03 kg/m².

Impact sound reduction:

50(1) dB Ln,w.

Airborne sound improvement:

63 (-2,-9) dB Rw (c,ctr).

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