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Double / triple glazing and noise reduction
17 replies
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Mackle
Forumite 72 posts
My partner is having lots of issues with a road-facing room, where lots of road noise is leaking in through some very old aluminium double glazing. From what I gather, both the glass and the gap inbetween is very small by modern standards, and they are not great at sealing out noise. When on the phone, it sounds like they are by the side of a motorway, such is the volume of noise. We believe that the windows are at least 15-20 years old, no idea who the installer was.
This particular room has no road facing door, and the ceiling is well sinulated.
I am guessing that for noise reduction, triple glazed is usually the best route to go down?
My partner spent some time growing up in Germany and remembers woodern triple glazing there as being incredibly effective.
So far we've had one quote, which was for uPVC tripe glazing. For three windows (two small 620x1310 and a large window that is 2100x1310) it was £1500, and the details about the glazing was "4mm Float/12/4mm Planitherm Total +" not really sure what that means.
On purely a sound proofing basis, what should we be looking for in replacement windows? Any other benefits are secondary. And is triple glazing typically the option to pursue for maximum noise reduction?
This particular room has no road facing door, and the ceiling is well sinulated.
I am guessing that for noise reduction, triple glazed is usually the best route to go down?
My partner spent some time growing up in Germany and remembers woodern triple glazing there as being incredibly effective.
So far we've had one quote, which was for uPVC tripe glazing. For three windows (two small 620x1310 and a large window that is 2100x1310) it was £1500, and the details about the glazing was "4mm Float/12/4mm Planitherm Total +" not really sure what that means.
On purely a sound proofing basis, what should we be looking for in replacement windows? Any other benefits are secondary. And is triple glazing typically the option to pursue for maximum noise reduction?
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Replies
You refer to German timber windows, but these will better than pvc windows at sound insulation. In a nutshell, to deaden sound you need mass. There is more mass in timber than in a hollow plastic window profile.
Sound travels through the smallest of gaps. So if you replace the windows it is vital that they are installed with meticulous attention to detail.
Sound proofing cannot be your only consideration for windows. As an example from the post above, if you ditch the trickle vents you will improve the noise barrier but you will likely end up with a house full of condensation, damp, and mould.
We live by a fairly busy road junction, including a lot of hgvs and the reduction in noise has been pretty dramatic
I might be a lone voice, but I believe for most people trickle vents are a good theory. Unfortunately, people tend not to open and close them when required to aid ventilation and condensation. So, for most people the trickle vents are redundant.
Which reminds me - I must go and close the one on the ensuite and the two in the front bedroom - these will have controlled the steam following the shower being used. See they do work! But it does depend on thinking and acting!
Downstairs has aluminum clad wood frames. No noise gets through them. Even the recent road works were barely a mumble. However really expensive.
Upstairs has UPVC frames/triple glazed though and most noise is reduced. I have put in another thread somewhere the van on a morning that sounds like a bag of spanners is loose inside his engine is more of a purr than a loud roar. No longer wakes me up at 6 am anyway. But cheaper than wood. By a big margin
Major heat increase indoors, but as I went from single glazed that's no surprise.
When I looked at the cost, I discovered for the UPVC a whole £50 per window extra for triple as opposed to double glazed.
Again the actual prices are somewhere on here but from memory UPVC was £1600 for 5 windows, one huge, one medium, 3 small ( one of the small is fixed)
The wood framed were £1600 for 3 windows, one huge, 2 medium.
And to also add, I had night vent installed rather than trickle vents
Zero wins 2016 😥
Just because something may or may not be in the regs, doesn't mean it is or isn't useful. Trickle vents are used for ventilation and moisture control. I have them, and if I close them the effect is very apparent by the next morning. Now I wont close them unless I am running a dehumidifier.
This is in a house that was built January 2014.
Two weeks ago the night time temperatures were lower, The trickle vents were open on my bedroom windows and the condensation outside was dripping off them. So yes, they do work - better it be outside than inside!
Similar to your home, this bedroom dates from 2012. Ventilation and condensation prevention is an issue with modern building.
But I am undecided on heat recovery ventilation systems. They may be OK for some people but opening windows, using trickle vents, controlling heating and controlling ventilation should be the default settings for many people.
My understanding is that Building Regs requires trickle vents to be included if the windows being replaced have them.