Alternative Direct to Joist Solution

Karma Acoustic JoistHood For Timber Floors

Karma Acoustic Joist Hood Technical Installation Guide (250kb pdf)

Karma Acoustic JoistHood is suitable for use in the refurbishment of timber joist floors
within masonry constructions and also useful in ‘Room in a Roof’ applications.

Image of a Karma acoustic products joist hood

Image of a Karma acoustic products joist hood

Karma Acoustic JoistHood

Consists of a 12mm profiled low-density polyethylene foam with gas impregnated acoustic additives
Specifically designed to friction fit onto the joists
Dimensions 12mm x 50mm x 2000mm

Acoustic Product
Description

Impact Performance
L'nw

Airborne Performance DnT,w + Ctr

12mm Karma
Acoustic JoistHood

55 dB

63 (-12) dB

Separating Floors Solution

Image showing 12mm karma acoustic joisthood and karma acoustic perimeter strip on a timber floor solution.

Solution Ref: KF-011

Download CAD Drawings

Option 1
23mm Karma Acoustic Joist Hood (pdf)
23mm Karma Acoustic Joist Hood (dwg-zip)

Benefits of Karma Acoustic Joist Hood

Laid straight onto the joists, no sub-deck required, which reduces floor height and saves on labour costs
Very lightweight and easy to handle with a simple installation process
Offers a minimal height increase making it easy to marry up to existing stairs on refurbishment projects

Typical Applications

Ideal on masonry timber joist refurbishment projects, if floor height is an issue or when existing floorboards are to be replaced
‘Room in a Roof’ applications to block airborne and impact sound