Alumen Bifold Doors
The Alumen Bifold door sets the benchmark for high quality aluminium folding doors at an industry beating price.
It combines ultra slim 120mm glass sightlines with the option of adjustable jambs, together with the build quality and aftersales support only Alumen can offer.
Through effective sourcing of parts and material we are able to offer this new range of doors, that is comparable in quality to both the SMARTS and Schuco door, at a price that is considerably more competitive.
- Slimline 120mm Sight Line
- Generous Size Limitations
- Flush and Standard Threshold Options
- Outstanding thermal performance
- Optional adjustable jambs for ease of fitting
- Ultra smooth bottom running
- Max Sash Width = 1200mm
- Max Height = 3000mm
- 30mm polyamide thermal break for increased thermal values
Available on a 2-3 week lead time for popular colours, with full aftersales support, you must see for yourself this latest range of bifold door.
Please note that although this door is available on a supply only basis across the country we only offer an installation service to a restricted area.
For supply only pricing please visit our online shop, whilst for supply and installation prices please email us at email@example.com.
This door is primarily marketed for the trade, and further discounts are offered depending upon the size of business.
Alumen Sash - Typical Fold Section
Alumen Bifold - Adjustable Jamb
Alumen Bifold - Standard Jamb
The following profiles are the main profiles that we use as standard.
Standard (Fully weathered) threshold.
20mm Ultra Low Threhold.
These thresholds can be combined with a choice of cill (see Threshold Options).
Choice of 85mm Stub cill, 150mm, 190mm or 225mm.
Squareline sash with typical sightline of only 120mm.
Squareline bead for 28mm units used as standard.
25mm add-on fitted as standard to the head of the frame where trickle vents are specified.
38mm add-on also available
The Alumen bifold doors are available in a choice of standard colours.
||Typical Lead Time
|RAL7016 Matt - Anthracite Grey
||2 - 3 Weeks
|RAL9005 Matt - Black
|Standard RAL Colours
Lever / Lever Handle
The popular Hoppe range of handles are used as the main lever / lever handles.
Shootbolt handles are available with and without escutcheon
Lever Handle on Main Doors
A traditional lever / lever handle provides a
latching facility similar to that of a standard front
or back door.
A lever / lever handle should be used on main
entrance doors, or doors that have high a
volume of traffic/people opening and closing the
door on regular basis, such as doors that will be
operated by the general public in bars,
restaurants, showrooms etc
Note that a lever / lever handle does not enable
the doors to fold back flat upon themselves. A
magnetic door stop is used to hold the doors
back in the open position and protect the handle
from hitting the door.
Lever handles are available in White, Black, Brushed Satin Silver and Chrome
Shootbolt handles are used on intermediate doors to secure the folding doors in place:
Shootbolt handles can be used in place of lever handles on main doors, however they do not offer a
latch function. If you require a latch function
then a standard lever / lever handle is
Shootbold handles are available in White, Black, Brushed Satin Silver and Chrome.
U Values & Energy Ratings
|Typical Glazing Specification
(To achieve U Value)
(Based upon Glazing Spec)
||4-20-4 Planitherm + Low Iron + Warm Edge Spacer + Argon Fill
||4-20-4 Planitherm 4S + Low Iron + Warm Edge Spacer + Argon Fill
28mm double glazed units as standard.
Typical Threshold Configurations
1) Ultra Low Threshold
- Use Aco drain or similiar to drain water
- Use damp proof membrane or similiar to protect brickwork from water ingress
- Optional Ramp
- Optional Rebate
2) Ultra Low Threshold with Cill
3) Standard Threshold with Cill (Open Out)
4) Standard Threshold with Cill (Open In)
Styles and Configurations
The bifold doors can open inwards or outwards, and are available in the following configurations (which can be handed either way).
Max size of each sash = 1200mm wide by 3000mm high
Please click on an image to enlarge.