BSF70 Aluminium Bifold Doors

The AluK BSF70 Aluminium Bifold doors are a perfect addition to commercial and domestic installations. These doors can achieve respectable U-values for aluminium doors. Available in 2 to 6 panels, allowing these aluminium doors to be fit into any property. The slim frames accommodate a large area of glazing, offering your customer panoramic views of the outside of the property throughout the year. To offer your customer peace of mind they've invested in the best product, the AluK BSF70 aluminium bifold doors conform and exceed the latest British Standards & Building Regulations.

Great U-values

BSF70 bifolds achieve U-values as low as 1.6 W/m2K for double glazing panes & 1.4 W/m2K with triple glazing, reducing reliance on central heating.

Wall of Glass

These bifold doors are designed with a large glazing area, providing a whole wall of glass when closed, flooding the property with light.

PAS24 Security

This door sets high standards for security with Secured by Design / PAS24 specification as standard when incorporating laminated glass.

High Quality Glazing

BSF70 aluminium bifold doors can accommodate double & triple glazing. This door can be fitted with glazing panes of 28mm.


The BSF70 door is available in white, grey, brown & black as standard, as well as any RAL colour. The finishes are powder-coated, offering years of service.

Low Thresholds

The BSF70 can be fitted with low thresholds configured to achieve DDA & Part M compliance. This is perfect for homeowners needing wheelchair access.

Colour Options

Custom Ral White Grey Black Brown

Aluminium Bifold Door FAQ's

Here are some answers to the frequently asked questions we receive regarding our BSF70 Aluminium Bifold Doors.

1 - What Standards Are These Doors Designed to Meet?

Our AluK BSF70 Aluminium Bifold Doors conform to PAS24 standards and certified under the Secured by Design scheme.

2 - Does the Low Threshold Comply to Part M Building Regs?

Yes, the low thresholds of our AluK BSF70 aluminium bifold doors are configured to achieve DDA and Part M compliance.

3 - Can the opening options be customised?

The BSF70 aluminium bifold doors can be designed for both open-in and open-out functions.

What Is an Aluminium Bifold Door?

If you’re a homeowner questioning what an aluminium bifold door is, we’ve got you sorted! Aluminium bifold doors are fast becoming the back door of choice in homes across the UK. The narrow frame and quality aluminium profile allow these doors to offer a great deal of strength and durability. 

Aluminium bifold doors don’t open like other back doors. These doors will open in a concertina style and close on each other, allowing you to make the most of the space around the door. The doors easily open in seconds, letting you connect indoor and outdoor life seamlessly. 

Bifold Door Manufacturer

Aluminium Bifold Door Features
Aluk Bi-Fold Doors

Aluk Bifold Doors
Standard door handle
Bi-Fold Door Hardware
Colour matched handles & hinges
Aluminium Bi-Fold Doors
Square Bead Options
Aluminium Bi-Fold Doors
Standard Compact Roller
Aluminium Bi-Fold Doors
Larger glazing area
Aluminium bi-fold doors
Optional Low Thresholds

BSF70 Bifold Doors Video

Please see the video below for a guide on how to install our bifold doors along with its features and benefits.

BSF70 Bifold Doors Brochure

Want to find out more about the BSF70 system? Why not view this brochure! By becoming an Emplas approved installer, you'll access our brochures and other resources.


Great U-Values


Traffic Door Handle


Standard Compact Roller Options


28mm Glazing


Secured by Design


Low Threshold


Larger Glazing Area


Open In & Open Out Configuration


PAS24 Standards


Square Bead Option


Range of Opening Configurations


Single/Dual Colours & Anodised Finishes

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