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Level 3 – Best


The model shows level 3 with double layer panels on both sides of the wall for maximum sound insulation effect

Level 3 is suitable for those who want to improve sound insulation in a room where a high degree of insulation is critical. This could be, for example, a home cinema room, fitness room or other rooms where the requirement for high noise reduction of low frequencies is also critical. Using fiberglass in combination with our sound damping clips will normally reduce noise by 30-40dB, which in many cases will be sufficient to solve the problem.

We would like to point out that the effect of sound insulation depends on several factors, such as

  • Leakage points: Windows, ventilation, doors, etc.
  • Flank noise: Noise transmitted through other surfaces in the building, such as floors, walls and ceilings.
  • The rigidity of the construction: How well the building carries and dampens noise.

This means that it is not possible to provide an exact reduction in noise before and after measures, even with our most advanced systems. However, our solutions are specified with:

  • Rw: Attenuation of airborne noise.
  • L’n,w: Reduction of vibration noise.

Both values are specified for each type of surface (wall, ceiling, floor) and the sum of them will affect the end result, which is measured according to Norwegian standard 8175. It is worth noting that lower frequencies are more difficult to isolate, and the lower the frequency you want to attenuate, the more extensive measures will be required.


If you’re unsure where the noise problem lies or how your current solution is working, consider a professional measurement. We measure:

  • Airborne noise (DnT,w): Corresponds to Rw, but takes into account real conditions such as leaks and the acoustics of the room.
  • Vibration noise (L’n,w): Detects noise that is transmitted via vibrations.

The measurements are performed with class 1 reference equipment and the results are presented in a standardized report according to Norwegian standard 8175.

While such measurements provide valuable insights, they can be costly. That’s why we often recommend prioritizing action over measurement, especially if it’s obvious that action needs to be taken. However, in larger projects or where you are unsure whether the noise is airborne or vibration-based, a measurement can still be useful. For example, if you have a lot of vibration noise, it may be a good idea to brace the joists, which is often recommended anyway.

Our soundproofing systems are designed to handle both airborne noise and vibration noise very effectively. If you want to book a measurement, you can do so here >>.

Level 3 also includes two layers of fiber plaster with GreenGlue on the other side of the wall, a stronger acoustic door and active, separate ventilation.

Feel free to read our technical documentation / whitepaper, written by our in-house Siv. Ing, Eivind Lygren here for more detailed information and explanation of the various concepts and installation of our systems.

The productEstimated DnT,w / noise reduction in dB
Standard drywall34
Level 3 construction with clips on the inner wall and two layers of fiber plaster with GreenGlue on both sides of the wall77
The expected DnT,w or degree of sound insulation will be significantly higher when using fiberglass + clips than a standard drywall. Also remember that the dB scale is logarithmic, which means that a 3dB difference constitutes a doubling and thus 34dB -> 77dB constitutes more than 14x better insulation.

Calculation of materials

PS! Calculation of fiber plaster and GreenGlue on exterior walls is not included in this calculator as the amount depends on the type of construction, e.g. if you have concrete walls or floors, there will be no need for a double layer on the other side of the wall. We strongly recommend that you also order level 3engineering to ensure that the solution is as optimal as possible.

As a result of limitations in the calculator, fiber gypsum / GreenGlue is not calculated for the floor (which is laid on top of the floor sheet metal), but we still recommend that you add this manually when ordering at this measure level as it significantly increases the insulation value of the floor.

This calculator calculates your estimated material consumption based on the room dimensions you enter. You enter the room dimensions in meters, e.g. 6.4m (length), 4.5m (width) and 2.5m (height). At the bottom of the page, you will find a button to add the configuration to the shopping cart.

If you want our recommended design, this is shown at the top of the configurator. You first select the number of rooms we should design for you and then “1” as the number to add this to the configuration.

In many cases, you only want to calculate the need for one wall or the roof, in which case you simply click away the surfaces you don’t want to calculate for:


Length (m)
Width (m)
Height (m)
Floor Ceiling Wall 1 (Front)
Wall 2 (Back) Wall 3 (Left) Wall 4 (Right)
int(1663) int(1677)
Category Title Price Qty per Square Image Quantity in order Total Price
Design and inspection Design of soundproof buildings
Clear
1 019,90
Surface
TOTAL AREA:
Ventilation DREAMSCREEN CINEVENT WALL AND CEILING 150 BALANCED VENTILATION WITH HEAT RECOVERY AND HEPA 1 529,90 0,02
Surface
Floor () TOTAL AREA:
Room-in-room decoupling DreamScreen ProSilence U-boat Silica Gel Stud Floater BLACK series 6,02 7
Surface
Floor () TOTAL AREA:
Room-in-room decoupling DreamScreen ProSilence Clip for wall and ceiling decoupling/soundproofing BLACK series 8,06 2,3
Surface
Wall 1 () Wall 2 () Wall 3 () Wall 4 () Ceiling () TOTAL AREA:
Sound doors Daloc S30 50dB Sound door in steel SPECIAL CONFIGURED
Clear
2 855,90 0,00001
Surface
Floor () TOTAL AREA:
Room-in-room decoupling Hunton Fermacell Greenline adhesive for fiber plaster without trowel edge 310ml 71,30 0,05
Surface
Wall 1 () Wall 2 () Wall 3 () Wall 4 () Ceiling () TOTAL AREA:
Room-in-room decoupling Hunton Fermacell fiber gypsum 600x2400x12.5mm without trowel edges 40,70 1,4
Surface
Wall 1 () Wall 2 () Wall 3 () Wall 4 () Ceiling () TOTAL AREA:
Room-in-room decoupling DreamScreen ProSilence 32mm Self Drilling Screw with TORX 100pcs 20,30 0,001
Surface
Wall 1 () Wall 2 () Wall 3 () Wall 4 () Ceiling () TOTAL AREA:
Room-in-room decoupling DreamScreen ProSilence Furring Channel for Wall and Ceiling Detachment 2m 18,26 1,2
Surface
Wall 1 () Wall 2 () Wall 3 () Wall 4 () Ceiling () TOTAL AREA:
Room-in-room decoupling Greenglue Soundproofing compound Pail (bucket) 18,9l 713,90 0,04
Surface
Wall 1 () Wall 2 () Wall 3 () Wall 4 () Ceiling () TOTAL AREA:
Room-in-room decoupling Greenglue Applicator gun for 830ml tubes 122,30 0,00001
Surface
Floor () TOTAL AREA:
Room-in-room decoupling Greenglue Noiseproofing Sealant Tube 830ml 40,70 0,1
Surface
Wall 1 () Wall 2 () Wall 3 () Wall 4 () Ceiling () TOTAL AREA:
Room-in-room decoupling Hunton Fermacell screws for fiber gypsum 3.9x30mm for wood or steel studs 1000pcs 81,50 0,02
Surface
Wall 1 () Wall 2 () Wall 3 () Ceiling () TOTAL AREA:
Category Title Price
Design and inspection Design of soundproof buildings
Clear
1 019,90
Qty per Square Image Quantity in order Total Price
Surface
TOTAL AREA:
Category Title Price
Ventilation DREAMSCREEN CINEVENT WALL AND CEILING 150 BALANCED VENTILATION WITH HEAT RECOVERY AND HEPA 1 529,90
Qty per Square Image Quantity in order Total Price
0,02
Surface
Floor () TOTAL AREA:
Category Title Price
Room-in-room decoupling DreamScreen ProSilence U-boat Silica Gel Stud Floater BLACK series 6,02
Qty per Square Image Quantity in order Total Price
7
Surface
Floor () TOTAL AREA:
Category Title Price
Room-in-room decoupling DreamScreen ProSilence Clip for wall and ceiling decoupling/soundproofing BLACK series 8,06
Qty per Square Image Quantity in order Total Price
2,3
Surface
Wall 1 () Wall 2 () Wall 3 () Wall 4 () Ceiling () TOTAL AREA:
Category Title Price
Sound doors Daloc S30 50dB Sound door in steel SPECIAL CONFIGURED
Clear
2 855,90
Qty per Square Image Quantity in order Total Price
0,00001
Surface
Floor () TOTAL AREA:
Category Title Price
Room-in-room decoupling Hunton Fermacell Greenline adhesive for fiber plaster without trowel edge 310ml 71,30
Qty per Square Image Quantity in order Total Price
0,05
Surface
Wall 1 () Wall 2 () Wall 3 () Wall 4 () Ceiling () TOTAL AREA:
Category Title Price
Room-in-room decoupling Hunton Fermacell fiber gypsum 600x2400x12.5mm without trowel edges 40,70
Qty per Square Image Quantity in order Total Price
1,4
Surface
Wall 1 () Wall 2 () Wall 3 () Wall 4 () Ceiling () TOTAL AREA:
Category Title Price
Room-in-room decoupling DreamScreen ProSilence 32mm Self Drilling Screw with TORX 100pcs 20,30
Qty per Square Image Quantity in order Total Price
0,001
Surface
Wall 1 () Wall 2 () Wall 3 () Wall 4 () Ceiling () TOTAL AREA:
Category Title Price
Room-in-room decoupling DreamScreen ProSilence Furring Channel for Wall and Ceiling Detachment 2m 18,26
Qty per Square Image Quantity in order Total Price
1,2
Surface
Wall 1 () Wall 2 () Wall 3 () Wall 4 () Ceiling () TOTAL AREA:
Category Title Price
Room-in-room decoupling Greenglue Soundproofing compound Pail (bucket) 18,9l 713,90
Qty per Square Image Quantity in order Total Price
0,04
Surface
Wall 1 () Wall 2 () Wall 3 () Wall 4 () Ceiling () TOTAL AREA:
Category Title Price
Room-in-room decoupling Greenglue Applicator gun for 830ml tubes 122,30
Qty per Square Image Quantity in order Total Price
0,00001
Surface
Floor () TOTAL AREA:
Category Title Price
Room-in-room decoupling Greenglue Noiseproofing Sealant Tube 830ml 40,70
Qty per Square Image Quantity in order Total Price
0,1
Surface
Wall 1 () Wall 2 () Wall 3 () Wall 4 () Ceiling () TOTAL AREA:
Category Title Price
Room-in-room decoupling Hunton Fermacell screws for fiber gypsum 3.9x30mm for wood or steel studs 1000pcs 81,50
Qty per Square Image Quantity in order Total Price
0,02
Surface
Wall 1 () Wall 2 () Wall 3 () Ceiling () TOTAL AREA:
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