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Author Topic: Replacing existing glass with laminated glass  (Read 1680 times)

aghalub

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Replacing existing glass with laminated glass
« on: November 25, 2014, 05:54:15 PM »

I am thinking of replacing the sealed units in my existing windows to reduce noise. Using an app on my phone, I measure 70 db outside and 30 db inside (not sure how accurate the app is!). In the other rooms that are quite, I measure about 25 db with the same app.

Existing sealed units are double pane (1/8" glass + air space + 1/8" glass). The total width of the units is 7/8". A local company is willing to replace the sealed units with double pane laminated glass (1/8" glass + air space + 2/8" laminated glass).

It is quite costly to do this. The cost is about 50% of the cost of replacing the windows entirely. Current windows are not old, about 4 years old.

I am wondering if I will get any noticeable improvement in noise level if I go with the above solution. If you could share your experience that would be great.

Randy S

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Re: Replacing existing glass with laminated glass
« Reply #1 on: November 25, 2014, 10:17:22 PM »

Well to be honest here, this is a project I personally would NOT do..
When I come across noise issues that are below 40db it is very very difficult to show dramatic reductions considering it would require a 5-9db reduction...you are already below my standard of viable cost vs reductions assessment.

and to be honest, if you are getting correct readings now you might actually end up with a system that actually increases the noise...
Recheck your readings to be sure.

Randy S.
Randy Sieg

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aghalub

  • Guest
Re: Replacing existing glass with laminated glass
« Reply #2 on: November 26, 2014, 01:49:50 AM »

The app I am using is called "Sound Meter". It has very positive reviews but not sure how accurate it is.

Do people have any experience with this app?

In my case, the overall noise level is not bad. For average people, they would be just fine. I am however sensitive to noise and have to use white noise machines to sleep. What bothers me most is the sudden engine rev noise that I hear whenever a pickup (a lot of them in this area) passes by. So, the average noise level inside the room is not great but tolerable, problem are sudden jumps in noise.

I am at the point that I have to do something about it. So, this is an option I am considering now and would like to know if anyone has done this. I have seen a few people asking similar questions on the net but no update from them.