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Acoustic Sound Insulation
Sound Proof Walls With Sound Insulation Batts
High density sound insulation is designed to give effective sound absorption and reduced noise transfer between rooms. The acoustic insulation batts are of a higher density making them a great and easy lightweight product for soundproofing your home or room. The soundproofing insulation batts are ideal for insulating metal and timber stud wall systems and ceilings – sound insulation between floors is also very commonly used. Acoustic insulation batts all have added thermal benefits to help make your home more comfortable.
Call Pricewise Insulation on 1300 729 639 for free advice on the best solutions for soundproofing between houses and other quality products for your residential insulation project. We deliver all over Sydney, Brisbane, Melbourne, Perth and most other major cities and towns in Australia.
Knauf Earthwool® Acoustic Wall Insulation Batts$ 4.58–$ 11.44 p/m2 inc. GST
Bradford SoundScreen™ Acoustic Sound Insulation$ 9.80–$ 18.40 p/m2 inc. GST
Pink Soundbreak Insulation Batts$ 8.18–$ 15.72 p/m2 inc. GST
Bradford Insulation Hi-Performance Gold Ceiling Batts$ 11.11–$ 24.50 p/m2 inc. GST
Greenstuf® Polyester Sound Solution® Acoustic Insulation$ 9.48–$ 12.64 p/m2 inc. GST
Bradford Gold Batts Hi-Performance Wall Insulation$ 8.46–$ 16.90 p/m2 inc. GST
Fletcher Pink® Partition Acoustic Wall Insulation$ 3.12–$ 18.44 p/m2 inc. GST
Bradford™ Polymax Acoustic Insulation Batts$ 5.83–$ 17.31 p/m2 inc. GST
Acoustic Insulation Boasts up to 75% Sound Absorption
Installing acoustic insulation in your home can absorb as much as 75% of the sound. This helps to soundproof your home or rooms to acceptable levels.
Knauf Earthwool Internal Wall (Acoustic) Insulation Batts are available in Basic Performance (11kg/m³), Ultra Performance (14kg/m³) and High Density (18kg/m³, 20kg/m³ and 27kg/m³) sound absorbing performance levels. Fletchers Pink Soundbreak Acoustic Insulation is available in R1.7, R2.0, R2.5, R2.7 and R3.1. Bradford Soundscreen Acoustic Insulation Batts are available in R1.7, R2.0, R2.5 and R3.1. The acoustic batts are available in 70mm and 90mm thicknesses, to suit typical timber studs. They also come in in 600mm widths to suit metal stud walls.
Difference between thermal and acoustic insulation
Both acoustic and bulk (thermal) insulation have thermal insulation qualities. Acoustic insulation is however much denser, and this gives the acoustic insulation more effective soundproofing properties. Sound proof insulation can also be used to create quiet zones within your home or to block out the sound of a busy road. You can also soundproof a ceiling – while this is not usually the main priority, it should be a consideration if your home is directly under a flight path. Houses situated in the vicinity of roads, where the road is on a similar level with the roof of the house, will also benefit from soundproofing the ceiling. In most cases, soundproofing walls and floors gives excellent results.
Where you might want to install sound proofing insulation:
+ Home theatres + Home offices, study or parents’ retreats + Bathrooms and ensuites + Laundries + External walls + Nursery/kids rooms
Soundproof batts are not difficult to install, and are a great way to isolate noise between the rooms. Did you know that soundproofing material works by converting sound into heat energy? Sound proofing insulation batts are made from porous materials such as glasswool and polyester. Part of the sound energy is transformed into heat, which then dissipates. This is the opposite of how hard, sealed surfaces react to sound. Hard surfaces tend to reflect sound waves (causing reverberations or “echo”) Open air-spaces (including empty wall cavities) are not effective at slowing down the transfer of sound. The solution to unwanted noise transfer is soundproof insulation; this material which although it’s not strictly ‘sound proof’, will go a long way towards sound proofing a wall or even your entire home. A soundproof ceiling can also be achieved by installing dense noise reduction insulation in the ceiling cavity.
Soundproofing Insulation Batts – Room within a room?
We are at times contacted by customers determined to go ‘all the way’ in their installation of sound insulation batts. Typically the home owner will be constructing a home recording studio of some sort, and wants to ensure
- minimum noise reverberation within the room
- Zero transfer of sound from within the room to the outside (and vice versa)
One of the best ways to achieve this is to construct a room within a room. Basically this means building a simple wall frame within the room in question, and ensuring this is also insulated with acoustic soundproofing insulation. The inside frame should have a slight gap (at least 2 -3 cms)The external (or original) wall should also be insulated with sound proof insulation – Knauf Earthwool R2.7 either in the 430mm or 580mm is an excellent choice for these kinds of projects. The internal wall can be lined in different ways, depending on the anticipated noise levels from without or within. Strictly speaking, in some scenarios you wouldn’t need to line the outward facing side of the inner wall with plasterboard – the combined 3 layers of plasterboard, the air-gap between the walls, the two layers of bulk insulation, will go a very long way in isolating the sound on either sound of the double wall. Excellent performance can be achieved by fixing acoustic panels to some or all of the internal wall areas. The effect of this will be to cancel out practically all reverberating noise within the room. The door, and also the ceiling also need to be considered – installing two doors with a suitable space in between, is not unheard of. While this is not intended to be a comprehensive guide to constructing a room within a room, it demonstrates the basic principles of addressing one of the most common noise concerns in home studios – i.e. airborne noise. Effectively soundproofing internal walls goes a long way to solving the noise issue. Other more specialised solutions exist for dealing with heavy bass noise and impact noise such as footfall, and it can be worth obtaining advice from an acoustic consultant early in the planning stage.
Sound insulation for added value to your home
Sound and noise is part of any environment, and controlling it within the home adds value both for the current and any future occupants. There are a whole range of acoustic materials for walls and floors that don’t require a big investment. A few rugs here and there together with some curtains can go a long way in sound absorption. Ideally, acoustic wall insulation and indeed any cost effective soundproofing should be considered at the design and planning stage of the new home, and you’ll enjoy the benefits from day one!
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