ALUNA · Supply only
Meet the ALUNA bifold system.
Compare the profile, layout and finish before you approve your order.
ALUNA system specifications
| Profile system | ALUNA aluminium bifold by Alunet Systems |
|---|---|
| Published sash limits | Up to 1,200 mm wide × 3,000 mm high per leaf; final size and weight limits require confirmation. |
| Frame and sightline | 73 mm frame depth; published frame-to-sash sightline 107 mm. |
| Glazing | System accommodates glazing up to 44 mm. Glass specification must be agreed. |
| Thermal performance | Manufacturer publishes values as low as 1.1 W/m²K with triple glazing and 1.4 W/m²K with double glazing. Request the figure for your actual doors. |
| Configuration | Up to seven leaves each way; inward or outward opening. Confirm the proposed arrangement. |
| Thresholds | 55 mm standard threshold or 20 mm low threshold; the low option has reduced weather protection. |
| Finishes | RAL 7016 grey, RAL 9005 black, RAL 9016 white; dual colours and other RAL colours by request. |
Source: Alunet ALUNA bifold product information, checked 30 October 2026. These are system capabilities, not a promise that every combination is available. Obtain the fabricator’s specification, performance evidence and warranty terms for your order.
Make the specification work as a whole.
A colour, glass unit and panel arrangement should be approved together. Ask for the manufacturing drawing, opening direction and threshold section before signing off. Your installer should check the support, floor levels and the proposed fixing details.
Send your opening details
Tell us the delivery postcode, approximate width and height, preferred colour and panel layout. Your installer must check and approve the final manufacturing dimensions.
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