Wall Solutions

Karmawall Acoustic Liner System

for Refurbishment of existing walls

Please click HERE for the Technical Installation Guide

Karmawall Acoustic Liner System is an ideal way of upgrading existing walls, reducing sound transmission through lightweight blockwork wall structures. When masonry walls fail a pre-completion test the Karmawall Acoustic Liner System is a very effective remedial solution. Can also be used on a variety of other construction types as a method of upgrading the airborne sound reduction of a separating, external or partition wall.

Product description

Karmawall Acoustic Liner System is a high performance, gypsum board
based soundproofing and sound insulation system.

Product features

25.5mm x 1,200mm x 600mm Karmawall Acoustic Liner Board
Speedline* RS565 Resilient Bars
Karmawall Acoustic Slab**
Speedline Acoustic Sealant
Speedline Fixings

Customer benefits

Up to 10dB improvement in sound transmission/performance, a 50%
reduction of sound to the human ear
Only 41mm increase in wall depth
Access to only one side of wall required as indicated by laboratory
test results which showed no difference in results between treatment
of either the receiving or sending face of the wall
Standard gypsum wall finish and decorative treatments can be applied.

*Speedline is a high performance brand of drywall products and
accessories.

**The Karmawall Acoustic Slab is an acoustically absorbent mineral
fibre slab designed to friction fit within the grid system and to close the
gap between the board and the base wall being treated, to ensure the
best results are achieved.

Test Information: FAILED

Basic masonry base wall

Description	Acoustic Performance Rw + Ctr	Acoustic Requirement DnTw + Ctr
Masonry base wall	37dB	43dB

Karmawall basic masonry base wall

Test Information: PASSED
Karmawall Acoustic Liner System (1 side)

Description	Acoustic Performance Rw + Ctr	Acoustic Requirement DnTw + Ctr
Acoustic Liner System on masonry wall	47dB	43dB min

Karmawall Acoustic Liner System