Karma Masspanel consists of an 18 mm thick cement particleboard, tongue and grooved four sides, bonded to a 12 mm thick wood fibre layer. It is laid above a timber deck.

TNF 70 slab is a high density stone fibre slab with a smoke and fire resistant coating. It is friction fitted between joists and sealed with a Karma EX240 Intumescent and Acoustic Mastic.

Features/ Benefits:

  • Excellent acoustic performance to height ratio.
  • Tested to BS 476-22 - up to 90 minutes.
  • Installed from above - existing ceiling can be retained.
  • Boards can be installed directly to joists.
  • Dry system which is quick to install.
  • Can be laid with a variety of floor finishes.

General information

Uniclass 2015

Pr_25_71_97_12 Cement-bonded particleboardsPrimary


K11/125 Battened particleboard floating floor

K11/20 Battened particleboard floating floor

K11/225 Particleboard floating floor

K11/25 Particleboard floating floor

K11/275 Acoustic separating floor system

K11/30 Particleboard flooring

Specification data - Cement-bonded particleboards

Product Reference

Karma Masspanel With TNF 70 Fire Retardant Slab



Karma acoustic perimeter strip

Karma PU adhesive (D4)

Standard product features

Board and slab size (l x w):

1200 x 600 mm.


  • Karma Masspanel board: 30 mm.
  • TNF 70 slab: 70 mm.

Karma Masspanel board weight:

20 kg.