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Our showpiece double glazed exterior frameless doors  come with expert-craftsmanship, engineering and the highest performance. We explain some of the technical characteristics of our doors.  This page is ideal if you want more information about profile sizes, glass and general performance.

If your project also involves an architect or builder, they may also find this section useful to understand the relationship between the doors and the building structure.

double glazed doors

Thermally Broken Frameless Double Glazed Doors

First of all, we are proud of the European Patent of our doors. (Patent Granted EP 2 456 942 B1 and covers all of Europe and the UK for our innovative glazing method, America and Australia.)

Furthermore, our premium grade aluminium extrusions with a durable powder coated finish offer you the best in contemporary sightlines but they also some with technical characteristics designed for security, weather performance and long-term reliability.

Technical Specification

Specification of Bottom Track – (76mm x 58mm) 13mm gap which is thermally broken.

Specification of Top Track – (44mm x 61mm) Thermally broken and 4 x Weather Seals.

NEW & IMPROVED Profile Size – (70mm x 80mm) Inserts – 4 x Weather Seals.

Side Columns – 70mm x 58mm Deep with 4 x Weather Sealed Strips.

Glass – Standard Unit manufactured with 4mm/6mm Planitherm 4s soft coat and 4mm/6mm Toughened low iron. The toughened glass spacer which is 20mm x 12mm/15mm/18mm.  Glass is bevelled between the long edges of glass. Top and bottom have 2 rows of aluminium 20mm spacer bars filled with desiccant. Profiles are compressed onto glass and fixed with a polymer. The Glass U-Value is 1.0Wm2K with an overall U-Value including the frame of 1.4Wm2K

NEW & IMPROVED Bubble Gaskets – Available in grey

Head Deflection – 12mm Incorporated in Design Specification

Worldwide Patents – Applied for, granted and pending.

Design Specification

Our unique extrusions, side columns, tracks and profiles are all manufactured in the UK, as are our Frameless Doors. All units are manufactured to comply with BS6375 Part 1 2004.

The profiles on doors are connected to the tracks by means of a flag, including spacers which slide inside along the tracks. The tracks contain turning mechanisms which automatically tell us where the doors are to open. Doors can only be opened at gates, which are 13mm by 5mm, which makes them compliant to PAS24. The side columns expand by turning an internal handle, which in turn pushes the doors together to provide a weatherproof seal (wind and rain) BS6375 Part 1 2009.

How our doors work.

All doors slide on our purpose designed wheel system so the majority of the weight is at the bottom. Therefore, no additional reinforcing is required at the point of installation. Once the main working door is opened, the remaining doors then slide, stack and fold in the same location. As all doors are slim-line (45mm), they only take up a small amount of space. Our Frameless Doors can be stacked to either one or both sides of the opening, or a combination of the two. They can be opened inwards or outwards.

The door locking mechanism can only be accessed from the inside and uses a key situated within the handle for security purposes. There is no locking mechanism on the outside. When opening the main door, just turn the key and handle – the door will automatically spring back to allow you to open and close the door.

The framework is produced from powder-coated aluminium, manufactured in the UK and can be supplied in any RAL colour you specify.

Contact us for more information on our double glazed frameless doors.

FINANCE OPTIONS AVAILABLE

What our customers say

Mr E @ Elmwood lane Berwick on Elmet

On first contact you talked and demonstrated the unit, the installers were very polite, clean and tidy. I am very pleased with the product and I would recommend FGD to other people. 20150113

Replacement doors

I had been looking for some time to replace my patio doors in our lounge as they had very wide plastic frames and wanted something that wouldn’t restrict the view up the garden I asked to see if it was possible to view some already installed close by. Luckily there was, we went and viewed

Paula Sanders
Paula

Really Pleased

As to how we were from initial contact (were we polite)?   Very polite and attentive, always got back quickly with answers to queries but there was no hard sell which I really appreciated after being bombarded by calls and contacts from other companies!  The measuring up part seemed more complicated than it needed to

Mr BG

Basically the installation itself was done pretty quickly and efficiently – three guys turned up early in the morning and were done by lunchtime. Polite, tidy. 20150112

Paragons of politeness and efficiency

The two chaps who came were great paragons of politeness and efficiency. Regards,    

Mr and Mrs F
Mr and Mrs F

A great installation

“Thank you again for a great installation, we are really enjoying the extra light.” I will be sending a load more images your way at some point today.

Mr T – Woking

MF

We are absolutely delighted with the doors, they are so classy and modern. Paul (FGC) was excellent and knew his job. The workmanship is superb. All our friends and family think they are fantastic. Thank you once again. 20150113

Mr P – Aylesbury

We have been very happy with the service you offer and indeed the product. We found the office responded promptly and the delivery was swift and when promised. The fitting staff were professional, polite and unintrusive. We would be very happy to let people look at our installation. 20150724

Mr H B @ Kingston

I am absolutely thrilled with the finished result. You were straightforward to deal with and visiting your site was appreciated. You gave clear statements regarding specification and developed the product to meet our needs. Installation was at the agreed time and there was reassuring and prompt follow-up as the new design needed refining. The product

Glass Curtains

Had to call FGC to come and undertake first maintenance visit of 5m curtain installation from 2013. Excellent friendly service and all seals repaired within an hour. Learnt need to silicone spray the seals as well as the floor track. Been a great purchase and very pleased.

simon ellis
Simon E

First Class Service from FGC

Hi All . Just wanted to say how pleased we are with the glass porch fitted by your company yesterday it looks stunning. compliments as well to your installers who were apart from being very skilled fitters were clean, tidy and courteous and as such a credit to your company. I have had first class

Chris
Chris

Replacement of Timber Bi Fold Doors with Frameless Curtains

When we purchased our house, it had two sets of timber bi fold doors, each spanning an opening of approx. 5m. These caused us a lot of problems with warping through the seasons, and the ration of timber to glass limited the light into the rooms.
We therefore replaced them with the frameless curtain

adam tamburini
Adam