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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
Specification data
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.