Secondary double glazing

[Cogcog]

When we moved in 7 years ago the previous guy had fixed sheets of perspex to the bedroom windows in a sort if secondary double glazing. I took it out because it looked naff and didn't allow the windws to open. Looking at my heating bills recently and the room temperature over the years I may have been a bit premature.

I want to think again about it but it has to be in fiting with the house which is a 18th century cottage with some original Yorkshire sash (side sliding) windows. The only solution I can think of is to have a set of wooden DG windows made by a joiner for the inside which allow access to the sliding sashes but was concerned that the secondary windows would have to perfectly match the Georgian panes and be fitted close to the original glass or they would look awful.

Has anybody fitted Sec DG to a house where the existing windows have to be matched?

[Zeek]

I've been thinking about the same thing. I've got 150 year old box sash windows in great nick, although they help me use my heating to warm the countryside every winter.

I was thinking I'd need to build/get built some wooden inserts which would match. I was just going to leave them there for winter, and store them somewhere else when spring arrives. Anyway, assumed they would need to be custom made by a joiner, so if anyone knows of decent secondary glazing options, I'm interested too...

[Pickled Piper]

You can buy a kit for DIY. I can't remember the name but I will look it up. i ordered it on line. It's basically an edging strip and fixing clips. You have some 4mm toughened glasscut to size, fix the edging strip around the perimeter of the glass and then screw clip to the existing window frame.

No good if you want to open the window regularly, but great if you just want them for the winter or as we did, just for windows we never open.

pp

[B17NNS]

Could you not remove the existing glass and replace with double glazed units?

I know they would be thicker but maybe a deeper rebate could be routed in?

[Hedders]

B17NNS said:

Could you not remove the existing glass and replace with double glazed units?

I know they would be thicker but maybe a deeper rebate could be routed in?

I don't see why not! You would probably need to use heavier sash cord weights though.

[MJG280]

Yorkshire sash is as said side sliding not up and down. another alternative is thicker single glazed e-glass.

It's the draught proofing that keeps the heat in

[Hedders]

Sorry i missed that bit. Never heard of those

[MrV]

You might find just draught proofing the window(Parting and staff bead) will make a hell of a difference before you go through the hassle of trying to get DG units in to the original sash's

Theres a few firms that supply only and if you are half competent its an easy diy job

List of a few suppliers in the link

http://www.sash-style.co.uk/draught-proofing.php

[Cogcog]

MrV said:

You might find just draught proofing the window(Parting and staff bead) will make a hell of a difference before you go through the hassle of trying to get DG units in to the original sash's

Theres a few firms that supply only and if you are half competent its an easy diy job

List of a few suppliers in the link

http://www.sash-style.co.uk/draught-proofing.php

Those draught kits work pretty well for vertical sash, in fact I think I have a part kit in the garage from my last house. No reason they shouldn't fit side sliding sashes I guess, although I have traditional box sashed windows elsewhere in the house fitted with those kits which do a good draught job but are not so good at simply stoped the heat getting out.

I didn't think replacing the glass is an option as it is the original 18th century glass in the main and I suspect inserting DG panes might not be easy.

The ghouse had clipped in perspex SDG when we moced in and made the house look like an bank as they were just large sheets of perspex.