Double Glazing - noise

Johnny_Doe

Hi

I have the same problem as OP and have double glazing installed but it's still noisy. Through extensive research on the net most companies say that secondary glazing will reduce the noise by AT LEAST 50% and usually 70-80% sometimes 90%!

It says gap has to be ideally at least 100mm and thickness of glass different to be more effective.

Also, through more "googling" it says that triple glazing has little effect maybe 10% reduction in noise?

williamrob88 I'm confused at what you are saying as the evidence on google says otherwise? can you post any links backing up your theories?

Here's my research:

http://www.windowstoday.co.uk/sound-insulation.htm
http://www.boxsash.com/Lit/lsecon.html
http://www.secondaryglazing.org.uk/sound_proofing.html
http://www.secondaryglazing.com/secondaryglazingfacts.htm
http://www.1stsashwindows.co.uk/noise_insulation.html

Just want to help OP and myself get rid of the road noise

Antispam

2 1/2 year old thread

I got DG in last hosue on a busy road that was filled with argon gas it was much better than previous old DG we had which at time was put in, in early 90's. The argon gas DG was fitted in 2006 we got a lot of noise through traffic

Antispam

OP hasnt been online since Last Activity: 14-11-2008 9:09 AM

You may have a long wait

Johnny_Doe

Sorry about age of thread, did a google on noisy double glazing and it took me here, thought I'd reopen this thread instead of starting a new one..

Johnny_Doe

ok make me the new OP does it really make any difference? I need help with a noisy road and glazing thankyou

brig001

Our house is quieter since we insulated and draught proofed. Cavity wall insulation helps a lot, as does sealing skirting boards to timber floors. Remember a gap will let more noise in than any glass will, so seal those up first.

HTH,
Bri

born-free-taxed_to_death

Noise can be reduced by disrupting the soundwaves, having different mediums and thicknesses for the sound waves to travel through.

A normal 28mm double glazed sealed unit would be made up from 4mm glass - 20mm gas filled cavity - 4mm glass.

I would recommmend using 4mm glass -18mm gas filled cavity 6.38mm laminated glass. Due to the makeup of the laminated glass the sound is disrupted as it transits through the composite parts, then again by the cavity and again by the 4mm glass.
Don’t forget to also ensure the frame cavity is filled with polysyrene which will also reduce the sound.

There is a new home improvements company in Edenbridge who can advise.