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Studio Wall Soundproofing System

We have put together a kit that will enable you to fully soundproof walls to a near studio standard.  This system is designed to upgrade the sound insulation properties of party and separating walls in all types of domestic and commercial properties.  This system is approximately 180mm thick.

The system we have developed below is relatively easy to fit with little DIY experience.  The system uses Rockwool Flexi-Slab between timber studwork followed by a resilient bar system and a sandwich of Acoustic Plasterboard and M20 Soundproofing Mat.  The only thing we don’t supply to complete the installation is the timber studs.  We recommend you use 100mm deep timber battens fitted at 600mm centres.

The Rockwool Flexi-Slab is fitted between the 100mm timber battens and the SoundSense Isolation System is fitted to the timber battens horizontally.  The spacing between the channels should be no more than 600mm.  The spacing between the clips should be no more than 900mm.   The required number of clips can be simply slid onto the bar and positioned to the required place.  The SoundSense Isolation Bars can be cut to length using tin snips or a hacksaw.  The bottom row of channel and clips should be no more than 75mm from the floor.  The top row should be no more than 150mm from the ceiling.  You should use 60mm coarse thread screws to fix the clips to the timber battens.

Once the bar and clips are securely fixed in place you then need to install the first layer of Acoustic Plasterboard.  You need to align the seams between the sheets on the centreline of the horizontal channels.  Ensure a 5mm gap is left around the linings to decouple the layer.  Use the minimum number of drywall screws to fix the first layer of plasterboard to the bar so as to avoid hitting screw heads when fixing the second plasterboard layer.  Make sure that no fixings connect the plasterboard lining to the battens or masonry.  For the first layer we recommend using 25mm self-drilling drywall screws.  Once you have installed the first layer you need to then seal the gap with our Acoustic Sealant.

Next install a layer of the M20 Soundproofing Mat.  This is glued with Advanced Acoustics Contact Adhesive directly to the acoustic plasterboard with the 5mm gap maintained trying where possible to stagger any joints.  Next the second layer of Acoustic Plasterboard is installed in a brick bond fashion again avoiding overlapping joints with the previous layer.  The 5mm gap around the perimeter still needs to be maintained.  The Acoustic Plasterboard is glued to the M20 using the Advanced Acoustics Contact Adhesive.  This board can be screwed to the resilient bar at 150mm centres and the board end and 250mm centres in the field.  Again correct length of self-tapping screw should used so as not create contact with the timber battens or the masonry. Once you have completed the layer you can fill the gap around the perimeter with Acoustic Sealant.  Once you have completed this you can now install the third layer of Acoustic Plasterboard.  Again you need to leave a 5mm gap all the way around the perimeter of the wall.  This layer needs to only be glued to the wall with the Advanced Acoustics Contact Adhesive, screws should not be used. If possible it is best to install this layer of Acoustic Plasterboard perpendicular to the first layer.  Once you have installed the third layer of 12.5mm Acoustic Plasterboard you can then seal the perimeter of the wall with the Acoustic Sealant.  All potential sound leaks such as gaps around outlets, window and door frames, and pipe penetrations are sealed with the Acoustic Sealant.

The wall is now ready to be plastered or tape and jointed ready for wallpaper or painting.

Below we have worked out the quantities you would need to cover your area.  We would recommend that you add a 5% allowance for wastage and offcuts.  The information contained in the box below is designed to be used as a guide only.  If a thinner soundproofing system is required see our Basic Wall Soundproofing System.

Square Meters 4" Rockwool Flexi-Slab SoundSense Isolation Bar SoundSense Isolation Clips 12.5mm Acoustic Plasterboard M20 Soundproofing Mat Contact Adhesive Acoustic Sealant (Approx)
1 1 1 7 2 1 1 1
2 1 2 14 3 2 2 1
3 1 3 21 4 3 3 1
4 1 3 21 5 4 4 1
5 2 3 21 6 5 5 1
6 2 4 28 7 6 6 1
7 2 5 35 8 7 7 2
8 2 5 35 9 8 8 2
9 3 6 42 10 9 9 2
10 3 6 42 11 10 10 2
11 3 7 49 12 11 11 2
12 3 7 49 13 12 12 2
13 4 8 56 14 13 13 2
14 4 9 63 15 14 14 2
15 4 9 63 16 15 15 3
16 4 10 70 17 16 16 3
17 5 10 70 18 17 17 3
18 5 11 77 20 18 18 3
19 5 11 77 21 19 19 3
20 5 12 84 22 20 20 3