Noisy windows - a solution

D

danroach

Hello there.

Making this posting in the hope that it might help out somebody else.

We moved into our house about a year ago and we've had an issue with the windows in my son's bedroom. Our house in on quite a busy road albeit set back somewhat. Yet around the edge of the windows internally, especially on one side, there has been quite bad traffic noise coming in. A problem early in the morning as it's been waking my boy up.

Have checked the seals of the windows, the sealant between the frames and the wall externally and I even removed a little sealant to check that any void had been suitably filled with insulation. All seemed well.

Anyway, this evening I was looking over the problem again and have finally cracked it (the cause, not the window). It seems that the window frame is slightly bowed inwards on one side - ever so slightly, but nevertheless, enough to make the contact between the opening/closing part of the window and the frame less tight than it should be.

Where the apex of this bow is, located inside the frame and on the moving window, are two opposing plastic wedges that interlock when the unit is closed. As the frame is bowed, I guess these wedges aren't pressing together as efficiently as they should. With this in mind, I cut a small rectangle of plastic (old CD case) and sandwiched it between the two wedges as the window closed. The level of noise has dropped noticeably. There is still traffic noise, but it seems a lot more suppressed and more evenly distributed across the whole window.

I think I'm going to look at replacing the glass units with acoustic suppressing ones. I know that secondary glazing is the ultimate, but that feels at this stage like cracking a nut with a sledgehammer.

Anyway, thanks for reading and hope somebody might find this useful in the future.

Best,

Dan
 
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Hi Dan. How old is the window? As long as it's a 28mm sealed unit you can have triple gazing and I know a chap in Birmingham who does this and retrofits into your existing windows.

I've got triple in my entire house and it's great :cool:
If the window is bowed though maybe time for a new one?
 
D

danroach

Hi MW.

That sounds like a definite possibility.

The bow means that the gap is no more than about 1mm at it's widest point (between the seal and the moving window part) and this seems to be the only defect that I can see. With this in mind, I'm reluctant to change the entire window.

I'd be interested to get a quote from your contact if poss.
 
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No probs, ring me at our office tomorrow 0121 353 5646 and i'll dig out the details.
 
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Triple glazing is not neccessarily the best way to go. Firstly the window must be completley air tight, then the first option would be to use, silence glass, which is a thick lam on the outer layer of glass. Triple glazing would only improve upon his if you varied the glazing spacers betweeen the sheets of glass, which is probably an extravagence as you will then have to look how the window is fitted as sound will come around the unit.

For the purposes of being open I am in the business, and i still would not recommend triple.
 
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Triple glazing is not neccessarily the best way to go. Firstly the window must be completley air tight, then the first option would be to use, silence glass, which is a thick lam on the outer layer of glass. Triple glazing would only improve upon his if you varied the glazing spacers betweeen the sheets of glass, which is probably an extravagence as you will then have to look how the window is fitted as sound will come around the unit.

For the purposes of being open I am in the business, and i still would not recommend triple.

My triple glazed unit is 6.4mm lam, 4mm float and 6mm tough. 3 different sizes and works for me :)
 
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Secondary glazing works for me, do a search on google, plenty of info out there
 

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