R2.5 HD Knauf Earthwool® Sound Shield Insulation Batts


R2.5 HD acoustic wall insulation is specially designed to limit the transmission of outside noise into the home and between rooms.

R-Value Width Thickness Pack Density
(mm) (mm) (m²) (kg/m3)
2.5HD 430 90 7 20
2.5HD 580 90 9.4 20
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Earthwool R2.5 Soundproofing Insulation

Knauf’s R2.5 sound insulation restricts the transmission of exterior noise travelling through the walls and into the home. It can be installed in external walls, this insulation is also extremely effective in limiting noise transfer between rooms and offices.

R2.5 Knauf Earthwool Acoustic Wall Insulation Batts are the perfect choice for DIY home owners who want to save money on power bills and maintain a more comfortable indoor temperature, in addition to soundproofing their home. They are available in thicknesses to suit 75mm, 90mm wall stud depths. A thermal R-Value of R2.5 may be more than what is required for a typical home in a moderate Australian climate. Regardless, when used in the internal walls, it is as an effective sound proofer. Consider using it between the walls of bedrooms and bathrooms, and also in any external walls facing towards and major roads, especially if these road are in close proximity to the house.

More m2 Per Pack of Earthwool Insulation

Earthwool Insulation Batts come in compact bags which reduces the need for storage space and makes them easier to transport. The wall batts are packaged in robust, white poly bags, which include easy to understand instructions for installing wall insulation. Thinking to install acoustic insulation yourself? Make sure you check out Knauf’s DIY Safety Instructions and Precautions before you start.

Knauf Insulation Batts are a cost-effective thermal and soundproofing barrier. Earthwool Insulation Batts are non-combustible, rot proof, non-hygroscopic, have practically no smell, and will not encourage the growth of mould fungi or bacteria.