By soundproof windows, i mean unwanted sound proof or, better word to use is NOISE-PROOF. Now check following info to understand NOISE ??

To make a room noise- proof , we need to bring outside unwanted sound level ( i.e. noise) under 50 dB. To start with, We need to understand few basics…






In Sound 60 * 2 is not equal to 120 as sound is measured on logarithmic scale not arithmetic scale. Few more examples for clarification


For our ear, difference of
I presume that i have covered WHAT part of the problem, now try to cover HOW it is possible part of the question.
There are two ways by which we experience noise, one is air-borne noise, other is structure-borne noise.

By Door/window, we can control air-borne noise, not the structure- borne noise. There are two aspects of noise reduction via Door/window.
Frame/sash material specification - All Door/window should be air tight. Let us define air tightness as following


Don’t forget multi point locking in all uPVC Door/window which will ensure sash/frame alignment & avoid any kind of air leakage.


Glass specifications are based noise insulation or, Acoustic comfort required as well as on selected uPVC/or, Aluminium/ or, wooden system's allowable glass thickness, weight capacity of available hardware.

Bottomline -The factors that affect the level of unwanted sound insulation provided by noise proof windows
P.S. To reduce structure borne noise, noise barriers must be installed. Pl check following link to read more Barriers to filter out train noise near Jamia University - Times of India
Do you want any help for unwanted sound proofing. You can write to me on shivendrasinghk@gmail.com. I can share my knowledge, experience for noise insulation.
To make a room noise- proof , we need to bring outside unwanted sound level ( i.e. noise) under 50 dB. To start with, We need to understand few basics…
Most of the time the problem is traffic noise which is low & medium frequencies.
Sound is measured on logarithmic scale, not on arithmetic scale.
In Sound 60 * 2 is not equal to 120 as sound is measured on logarithmic scale not arithmetic scale. Few more examples for clarification
For our ear, difference of
- 1 dB is virtually inaudible.
- 3 dB is barely audible.
- 5 dB is clearly audible.
- 10 dB is equivalent to a 50% reduction in the perception of the sound intensity.
- 20 dB is equivalent to a 75% reduction in the perception of the the sound intensity.
I presume that i have covered WHAT part of the problem, now try to cover HOW it is possible part of the question.
There are two ways by which we experience noise, one is air-borne noise, other is structure-borne noise.
By Door/window, we can control air-borne noise, not the structure- borne noise. There are two aspects of noise reduction via Door/window.
Frame/sash material specification - All Door/window should be air tight. Let us define air tightness as following
- If you are choosing aluminium as an material in sash/frame then go with thermal break aluminium with multi point locking. In India, all thermal break aluminium door & window systems are imported from europe & you can find their acoustic performance or, noise insulation in their performance table as mentioned following -
You can see acoustic performance 35~39 dB in above performance table.
Pl note that non-thermal break system in aluminium are not as good as thermal break system. Even most of the products from renowned brand like alumil, schüco, reynaers, technal & other european make are not tested for acoustic performance or, noise insulation in non thermal version. Main reason for low product quality is due to price pressure of Project market. Also locking in most of the opneable & sliding windows are single point lock which again ensures poor noise insulation.
- If you are choosing uPVC Door/window as a material, go with Class A according to EN 12608/ or, GB/T 8814 ( wall thickness min. 2.8 mm) uPVC profile which gives approx. 42 dB noise reduction; These figures are for frame/sash irrelevant of glass ( Few European names to choose Aluplast, VEKA, Koemmerling, Rehau, Deceuninck, Salamander) . To know more about material specification read following link How to buy uPVC Door/Window in India ?
Don’t forget multi point locking in all uPVC Door/window which will ensure sash/frame alignment & avoid any kind of air leakage.
- If you are choosing Wooden Door/window as a material, go with brand which share performance table mentioned acoustic performance or, noise insulation.
Gaskets make Casement or, openable superior product than Sliding for noise insulation.Glass performance specification- There are few insights which i would like to share with you
- 12 mm glass has a better noise insulation rather than 24 mm ( 6 mm clear glass + 12 mm argon filled /or, air gap + 6 mm clear glass).
- Dissymmetrical Double glazed unit e.g. 23 mm ( 6mm clear glass+ 12mm argon filled/ or, air gap + 5 mm clear glass) has better noise insulation then symmetrical 24mm Double Glazed Unit.
- Acoustic PVB has better noise insulation rather than Normal PVB laminated glass only for high pitch sound. For traffic noises or, low pitch sound, both behave equally same.
Glass specifications are based noise insulation or, Acoustic comfort required as well as on selected uPVC/or, Aluminium/ or, wooden system's allowable glass thickness, weight capacity of available hardware.
Bottomline -The factors that affect the level of unwanted sound insulation provided by noise proof windows
- Air tightness of Door/window
- Aluminium/uPVC/Wood windows material specification
- In-situ sound performance also varies due to acoustic condition of environment ( type of sound source, location in relation to said source, etc. )
- Discover how one can improve noise free comfort at home………..
- Case study-Noise insulation of A Home @ Unitech South City , Gurgaon
- Case study-Making Absolute Quiet Home in Jaipur near Railway Track
- Case study-Mr. Saurabh Agarwal, MG Road, Gurgaon
P.S. To reduce structure borne noise, noise barriers must be installed. Pl check following link to read more Barriers to filter out train noise near Jamia University - Times of India
Do you want any help for unwanted sound proofing. You can write to me on shivendrasinghk@gmail.com. I can share my knowledge, experience for noise insulation.
Eloquently composed and well thoroughly considered
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