Windows Question

Effective sash window soundproofing


I'm looking to get my sash windows sound-proofed. I'm not keen on installing double-glazing but I've been suggested the following:

- secondary glazing
- adding another glass pane directly onto the window frame
- draught-proofing

From what I've read/been told, draught-proofing is a must. I'm trying to decide between secondary glazing and adding another glass pane directly onto the window frame - the second approach isn't well documented.


2 Answers

the bigger the gap the better for noise reduction,

so secondary I would say.

Answered 1st Dec 2011

ADR Property Maintenance

Member since 1 Mar 2009

If you introduce double glazed units or any extra glass to the sashes, you would have to upgrade the balance weights. The windows would drop down due to extra weight. Secondary glazing would be a better solution but obtain a good quality make.
good luck

Answered 1st Dec 2011


Member since 23 Jun 2011

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