Green Building Forum - High perfromance folding sliding doors... Sat, 08 Aug 2026 17:52:46 +0100 https://www.greenbuildingforum.co.uk/newforum/ Lussumo Vanilla 1.0.3 High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=57832#Comment_57832 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=57832#Comment_57832 Sun, 12 Jul 2009 17:07:22 +0100 James Norton
J]]> High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=57859#Comment_57859 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=57859#Comment_57859 Mon, 13 Jul 2009 13:13:45 +0100 MarkBennett
See: http://www.sunfold.com/misc/Sunfold_SFS44.pdf

Note that the website only quotes "less than U=1.1W/m2K", while the brochure clearly indicates the 0.89 figure.

If you find better then I'd be very interested.]]> High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=57869#Comment_57869 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=57869#Comment_57869 Mon, 13 Jul 2009 15:47:05 +0100 itsgrimupnorthlondon http://www.greenbuildingstore.co.uk/about-ecoplus.php

Triple glazing as standard.]]> High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=57871#Comment_57871 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=57871#Comment_57871 Mon, 13 Jul 2009 15:56:05 +0100 MarkBennett Posted By: itsgrimupnorthlondonCheck out eco-plushttp://www.greenbuildingstore.co.uk/about-ecoplus.php" >http://www.greenbuildingstore.co.uk/about-ecoplus.php

Triple glazing as standard.

They don't do folding sliding doors as far as I can see....]]> High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=57873#Comment_57873 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=57873#Comment_57873 Mon, 13 Jul 2009 16:00:50 +0100 visitor High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=57874#Comment_57874 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=57874#Comment_57874 Mon, 13 Jul 2009 16:04:15 +0100 MarkBennett Posted By: MarkBennett
Posted By: itsgrimupnorthlondonCheck out eco-plushttp://www.greenbuildingstore.co.uk/about-ecoplus.php" >http://www.greenbuildingstore.co.uk/about-ecoplus.php

Triple glazing as standard.


They don't do folding sliding doors as far as I can see....

I stand corrected - they do them as a special order, but not as a standard offering.]]> High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=57878#Comment_57878 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=57878#Comment_57878 Mon, 13 Jul 2009 16:33:08 +0100 James Norton
...sorry forgot to mention I am not made of money!

J

PS

Just kidding thanks for the suggestions. :)]]> High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=57934#Comment_57934 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=57934#Comment_57934 Tue, 14 Jul 2009 15:20:47 +0100 fostertom http://www.hajomskjutdorrar.se/?lang=eng but since they got swallowed by the dreaded Elit group, can't get any sense out of them. Instead, http://www.becker-sohn.com have quoted 13.6m run x 2.5m high in 5 huge leaves - £19,600 delivered, provided you can pay in Euros.]]> High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=57943#Comment_57943 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=57943#Comment_57943 Tue, 14 Jul 2009 18:43:42 +0100 Cassie
I have quotes for two stretches of sliders , one is 5.750m the other 3.2m and am on a budget and these are my quotes ( not all companies can do the large sliders).

I went for sliders rather that folding because the chances of opening up the space entirely in our weather were rare, but just to open a sliding door probably far more frequent. Also lock open so no risk of wind catching them or of trapped fingers.

velfac 7172.71 ( slider was smaller than the other 2 )
rawington 6826.86
Olsen 7479.67

Dont know if this helps?

Cas]]> High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=136952#Comment_136952 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=136952#Comment_136952 Sun, 26 Feb 2012 11:45:39 +0000 Shevek High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=137851#Comment_137851 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=137851#Comment_137851 Fri, 02 Mar 2012 18:38:32 +0000 Jimbo7 http://www.nordica-uk.com/

Aluminium clad timber frame, with a 40.1mm triple glazed unit (12/14mm argon filled cavities, 1 toughed pane, 1 laminated). Quoted U-value is 0.92W/m2K. Cost is around the £500/m2 mark (ex vat).

Being delivered next week :smile:

Jim]]> High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165324#Comment_165324 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165324#Comment_165324 Sat, 19 Jan 2013 16:08:30 +0000 owlman
How did you get on Shevek. I'm after something similar.]]> High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165332#Comment_165332 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165332#Comment_165332 Sat, 19 Jan 2013 17:57:23 +0000 tony High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165333#Comment_165333 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165333#Comment_165333 Sat, 19 Jan 2013 18:47:37 +0000 owlman High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165345#Comment_165345 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165345#Comment_165345 Sun, 20 Jan 2013 11:40:52 +0000 Simon Still Schuco
Sunflex

Which both have options down to a claimed 1.0
and
SolarLux SL 97 which claims 0.8/Passive standard

True flush thresholds mean brushes which has a big negative impact on airtightness/insulation and weathertightness but might not bother you if it's only temporarily to the exterior (I'd be very tempted to go for flush in that situation)

Talking to the suppliers at the shows they all gave an indicative price of £1500 per panel upwards.]]> High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165352#Comment_165352 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165352#Comment_165352 Sun, 20 Jan 2013 12:39:59 +0000 owlman Yes I was aware of the brush pile seals but as you say it is essentially only a room divider. I thought the external grade, whilst overkill for a room divider still allows the eventual conservatory to maintain its "conservatory" status. I'm minded to aluminium because of price and also because they are, AFAIK all bottom roller running, which means much simpler installation re: lintles etc. Most wooden ones are top hung with all the implications for lintle strength. I have talked to one timber system supplier though who quoted just under £1000 per panel bespoke, but if you are not fixed to a specific size you might look at standard off the peg sizes. Have you had a look at these:-

http://www.kloeber.co.uk/gallery/Aluminium%20Folding%20Sliding%20Doors/Eurofold%20Aluminium%20Standard%20Size%20Folding%20Sliding%20Doors

I'm also looking at trench radiators for directly in front of the doors.]]> High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165368#Comment_165368 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165368#Comment_165368 Sun, 20 Jan 2013 15:52:50 +0000 Simon Still
The note I've got (not sure of source) is "Recent Solalux job, top or bottom running made no difference to max width of panel - but the taller the narrower. Top running seems preferable because the bottom rail can then be much neater. However, yes, serious non-deflecting structure needed overhead!
There was much tech negotiation about that, but what they didn't mention until on site, is that with the end panel being butt hinged onto the jamb member, when all the leaves are stacked open a great deal of their combined weight is hanging on it - and unbelievably that timber jamb member isn't actually suspended from the aluminium (wood faced) head member (just adjustably located onto it), but is a loose piece that itself has to be fixed to a v solid structural reveal"

A good job made of fitting (particularly wrgt levelness/squareness of opening) also makes a big difference to how well they run. Relatives in a very low energy/3G windowed house have their folding/sliding as their big 'fail' - haven't got them to look up the maker yet but don't run that well, 2G is noticeably cooler than the 3G windows (and it's near the dining table) plus, most significantly, there's a problem with the seals which means the middle rubber seal (on a 4 leaf door opening to the two sides) has a very noticeable draught.]]> High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165369#Comment_165369 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165369#Comment_165369 Sun, 20 Jan 2013 15:55:58 +0000 Simon Still
Another friends recently had wood installed, previous property had Schuco which they couldnt' stretch to this time. A world of difference in handling.

Unless anyone else thinks it would make a big difference I'd say as a 'near external' room divider you want 2G to keep the weight down and flush threshold. There will be a temp differential to the conservatory but some way off to outside and there won't be any direct rain/wind hitting it but aluminium to keep the framing down will be sensible]]> High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165382#Comment_165382 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165382#Comment_165382 Sun, 20 Jan 2013 18:53:34 +0000 owlman High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165520#Comment_165520 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165520#Comment_165520 Tue, 22 Jan 2013 20:50:19 +0000 TimSmall High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165536#Comment_165536 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165536#Comment_165536 Wed, 23 Jan 2013 09:18:15 +0000 gooday
There do good value normal sliding doors, but now offer an ali clad 3g version.

not sure how they compare.]]> High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165537#Comment_165537 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=165537#Comment_165537 Wed, 23 Jan 2013 09:21:54 +0000 PeterStarck High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=175833#Comment_175833 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=175833#Comment_175833 Fri, 10 May 2013 20:11:21 +0100 Simon Still
Trying to decide between a 5 panel fold/slide and a 3 section -> -> F triple track lift and slide. However, having trouble tracking down a suitable system. Height 2486 Width 3x1800 (though that might shrink a bit)]]> High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=175866#Comment_175866 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=175866#Comment_175866 Sat, 11 May 2013 15:56:44 +0100 fostertom High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=175876#Comment_175876 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=175876#Comment_175876 Sat, 11 May 2013 19:00:58 +0100 Shevek High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=179314#Comment_179314 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=179314#Comment_179314 Sun, 07 Jul 2013 10:21:50 +0100 neilgorswift Posted By: James Norton...green building store and Internorm eh....?

...sorry forgot to mention I am not made of money!

J

PS

Just kidding thanks for the suggestions. :)

I don't get why a piece of triple glazed glass with an insulated frame and a few seals has to cost so much.
I often quote comparison of a new VW 10k up against a a 3 door sliding folding passivhaus door. Compare the technology - what the hell is going on! Anybody found any chinese ones?]]> High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=179316#Comment_179316 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=179316#Comment_179316 Sun, 07 Jul 2013 10:32:01 +0100 Greenfish Posted By: neilgorswiftI don't get why a piece of triple glazed glass with an insulated frame and a few seals has to cost so much.... Anybody found any chinese ones?It is crazy isn't it. Not sure about China, but look for sourcing direct from Poland, that seems to be the land of reasonable prices at the moment.]]> High perfromance folding sliding doors... https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=219800#Comment_219800 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=4262&Focus=219800#Comment_219800 Wed, 18 Feb 2015 14:19:05 +0000 vflatman
I am the UK agent for Lacuna bi-fold doors, which are manufactured in Denmark. They are relatively new on the UK market and they have following specs:

- Danish design / German engineering

- Made to measure

- 56mm per door frame giving a maximum frame to frame width of 117mm

- Top hung design uses no guide rail and makes threshold cleaning easy

- Low u-values; 1.1 - 0.7 W/m²K

- Air permeability EN 12207 - Class 4 at +/-600 Pa

- Watertightness EN 12208 - Class E1200

- Heat treated beech (German)- with durability equal to teak - Class 1

- No need for repainting for 25-50 years in normal conditions

- Ironmongery of the highest marine grade acid proof stainless steel (316-A4).

- Lead time usually between 6-7 weeks


Happy to provide further information as required.]]>