Key Features

Slim 120mm sightline at the meeting stiles for maximised glazing
Thermal performance with U-values from 1.4 W/m²K (depending on glass)
Smooth stainless steel bottom rollers for effortless opening and closing
Up to 7-panel configurations with multiple opening styles
Internally glazed with 28–44mm double or triple glazing options
Secure multi-point locking with PAS 24 compliance achievable
Available in a full range of RAL colours, including Textured, Anodised, and Dual-Finish options
Integrated adjustable jamb option for easy on-site installation
Low threshold and flush threshold options for seamless transitions
Lead time: Typically 2–3 weeks

Key Features

Slim 120mm sightline at the meeting stiles for maximised glazing
Thermal performance with U-values from 1.4 W/m²K (depending on glass)
Smooth stainless steel bottom rollers for effortless opening and closing
Up to 7-panel configurations with multiple opening styles
Internally glazed with 28–44mm double or triple glazing options
Secure multi-point locking with PAS 24 compliance achievable
Available in a full range of RAL colours, including Textured, Anodised, and Dual-Finish options
Integrated adjustable jamb option for easy on-site installation
Low threshold and flush threshold options for seamless transitions
Lead time: Typically 2–3 weeks

Alunet Aluna

The Alunet Aluna bifold door system combines sleek design, smooth performance, and excellent thermal efficiency. With ultra-slim sightlines, stainless steel rollers, and up to 7-panel configurations, it offers strength, security, and year-round comfort. Available in a wide range of RAL and dual-colour finishes to suit any project.

Key Features

• Slim 120mm sightline at the meeting stiles for maximised glazing
• Thermal performance with U-values from 1.4 W/m²K (depending on glass)
• Smooth stainless steel bottom rollers for effortless opening and closing
• Up to 7-panel configurations with multiple opening styles
• Internally glazed with 28–44mm double or triple glazing options
• Secure multi-point locking with PAS 24 compliance achievable
• Available in a full range of RAL colours, including Textured, Anodised, and Dual-Finish options
• Integrated adjustable jamb option for easy on-site installation
• Low threshold and flush threshold options for seamless transitions
• Lead time: Typically 2–3 weeks

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AluProf MB-104 Passive SI / Aero – Door and Window system

Key Features

Thermally insulated with U-values from 0.52W/m2k.
Maximum size 1400 x 3000mm / leaf
RC1 – RC3 Burglar resistant class
Lead Time 4–6 weeks
Available in Crittall-style designs.

Key Features

Thermally insulated with U-values from 0.52W/m2k.
Maximum size 1400 x 3000mm / leaf
RC1 – RC3 Burglar resistant class
Lead Time 4–6 weeks
Available in Crittall-style designs.

AluProf MB-104 Passive SI / Aero – Door and Window system

The MB-104 Passive door and window system delivers exceptional thermal performance, with U- Values as low as 0.52W/m2K. Certified by the Passive House Institute Darmstadt, it offers superior weather tightness and insulation. The system’s frame is available in two configurations – SI or AERO – tailored to meet varying thermal energy-saving requirements.

Key Features

• Thermally insulated with U-values from 0.52W/m2k.
• Maximum size 1400 x 3000mm / leaf
• RC1 – RC3 Burglar resistant class
• Lead Time 4–6 weeks
• Available in Crittall-style designs.

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AluProf MB-77HS – Door and Window system

Key Features

Available as standard or thermally insulated frame with U-values from 0.84W/m2k
Maximum size is 3240 x 3300mm with 600kg weight limit / leaf.
Ultraslim sightline of 47.5mm
Option of using a concealed “HS e-Power” drive, equipped with an intelligent obstacle detection system and a load switch, allowing Smart Home system integration
RC1 – RC3 Burglar resistant class
Lead time 4–6 weeks

Key Features

Available as standard or thermally insulated frame with U-values from 0.84W/m2k
Maximum size is 3240 x 3300mm with 600kg weight limit / leaf.
Ultraslim sightline of 47.5mm
Option of using a concealed “HS e-Power” drive, equipped with an intelligent obstacle detection system and a load switch, allowing Smart Home system integration
RC1 – RC3 Burglar resistant class
Lead time 4–6 weeks

AluProf MB-77HS – Door and Window system

The MB-77HS is available as either a standard or highly insulated door and window system. It offers a variety of infills, including single or double-glazed units and thermal breaks for superior thermal and acoustic performance. With Class 4 air tightness, Class 9A water tightness, U-Values as low as 0.84 W/m2K, and Class C4 wind resistance, this system ensures excellent performance in all conditions.

Key Features

• Available as standard or thermally insulated frame with U-values from 0.84W/m2k
• Maximum size is 3240 x 3300mm with 600kg weight limit / leaf.
• Ultraslim sightline of 47.5mm
• Option of using a concealed “HS e-Power” drive, equipped with an intelligent obstacle detection system and a load switch, allowing Smart Home system integration
• RC1 – RC3 Burglar resistant class
• Lead time 4–6 weeks

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Key Features

Thermally insulated frame with U-values from 0.57 W/m2k (Triple Glazed)
Maximum size is 1400 x 3000mm / leaf
RC1 to RC4 burglar-resistant class.
Lead time 4–6 weeks
Available in Crittall-style designs.

Key Features

Thermally insulated frame with U-values from 0.57 W/m2k (Triple Glazed)
Maximum size is 1400 x 3000mm / leaf
RC1 to RC4 burglar-resistant class.
Lead time 4–6 weeks
Available in Crittall-style designs.

AluProf MB-86N – Door and Window system

The MB-86N is a thermally insulated door and window system with U-Values as low as 0.62W/m2K. It includes wide thermal breaks for enhanced energy efficiency and profiles designed to accommodate various multi-point locking systems, including concealed hinges. This system also supports RC1 to RC4 burglar-resistant windows and doors for added security.

Key Features

• Thermally insulated frame with U-values from 0.57 W/m2k (Triple Glazed)
• Maximum size is 1400 x 3000mm / leaf
• RC1 to RC4 burglar-resistant class.
• Lead time 4–6 weeks
• Available in Crittall-style designs.

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Key Features

Slim interlock sightline of 120mm for increased glass area
Suitable for double or triple glazing (up to 36mm units)
Excellent thermal performance with U-values from 1.1 W/m²K
Highly configurable: up to 14 panels, inward or outward opening
Bottom running system with stainless steel rollers for smooth, quiet operation
Full range of threshold options, including low and flush thresholds
PAS 24 certification achievable for enhanced security
Weather-rated and tested to rigorous European standards
Wide selection of RAL colours, anodised finishes, and dual colour options
Lead time: Typically 4–5 weeks

Key Features

Slim interlock sightline of 120mm for increased glass area
Suitable for double or triple glazing (up to 36mm units)
Excellent thermal performance with U-values from 1.1 W/m²K
Highly configurable: up to 14 panels, inward or outward opening
Bottom running system with stainless steel rollers for smooth, quiet operation
Full range of threshold options, including low and flush thresholds
PAS 24 certification achievable for enhanced security
Weather-rated and tested to rigorous European standards
Wide selection of RAL colours, anodised finishes, and dual colour options
Lead time: Typically 4–5 weeks

Cortizo Bifold Door Plus

The Cortizo Bifold Door Plus is a premium aluminium folding door system designed for large openings, sleek aesthetics, and smooth performance. With ultra-slim 120mm sightlines, it creates a seamless link between indoors and outdoors. Featuring stainless steel tracks, precision rollers, and configurations of up to 14 panels, it offers versatile design options. Fully thermally broken and PAS 24 compatible, it combines exceptional durability, security, and energy efficiency.

Key Features

• Slim interlock sightline of 120mm for increased glass area
• Suitable for double or triple glazing (up to 36mm units)
• Excellent thermal performance with U-values from 1.1 W/m²K
• Highly configurable: up to 14 panels, inward or outward opening
• Bottom running system with stainless steel rollers for smooth, quiet operation
• Full range of threshold options, including low and flush thresholds
• PAS 24 certification achievable for enhanced security
• Weather-rated and tested to rigorous European standards
• Wide selection of RAL colours, anodised finishes, and dual colour options
• Lead time: Typically 4–5 weeks

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Key Features

Slim Sightlines
U-values as low as 1.2W/m2k (triple Glazed)
Lead time 2 weeks
10 year guarantee
Available in Crittall-style designs.

Key Features

Slim Sightlines
U-values as low as 1.2W/m2k (triple Glazed)
Lead time 2 weeks
10 year guarantee
Available in Crittall-style designs.

EVOKE

The Evoke Bifold Doors offer U-Values as low as 1.5 W/m2K and support glazing sizes from 20mm to 31mm. They come with four thermal performance threshold options—low, high-performance, double weather, and flat-bottom—for enhanced energy efficiency. Featuring a high-spec multi-point locking system for superior security, these doors are available in both standard and slim-framing options.

Key Features

• Slim Sightlines
• U-values as low as 1.2W/m2k (triple Glazed)
• Lead time 2 weeks
• 10 year guarantee
• Available in Crittall-style designs.

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Key Features

Slim sightlines
U-values as low as 1.3W/m2k (triple glazed)
Lead time 2 weeks
10 year guarantee
Available in Crittall-style designs.

Key Features

Slim sightlines
U-values as low as 1.3W/m2k (triple glazed)
Lead time 2 weeks
10 year guarantee
Available in Crittall-style designs.

Korniche Slimline

The Korniche Bifold Doors are equipped with an exclusive roller system, ensuring a smooth and silent glide with every use. With a slim sightline, these doors incorporate polyamide thermal breaks for superior thermal performance and are PAS24:2016 certified for enhanced security.

Key Features

• Slim sightlines
• U-values as low as 1.3W/m2k (triple glazed)
• Lead time 2 weeks
• 10 year guarantee
• Available in Crittall-style designs.

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Key Features

U-values as low as 1.0W/m2k (triple glazed)
Lead time 2 weeks
20 year guarantee
Ultra slim 36mm profile
Steel look / Crittal style
Available in Crittall-style designs.

Key Features

U-values as low as 1.0W/m2k (triple glazed)
Lead time 2 weeks
20 year guarantee
Ultra slim 36mm profile
Steel look / Crittal style
Available in Crittall-style designs.

OB-36 Soho Collection

The OB-36 Bifold Doors feature an ultra-slim 36mm sightline, delivering a U-Value as low as 0.78W/m2K, along with a 20-year guarantee. Engineered for exceptional thermal efficiency, these doors are available in a wide selection of RAL colours to suit any design preference.

Key Features

• U-values as low as 1.0W/m2k (triple glazed)
• Lead time 2 weeks
• 20 year guarantee
• Ultra slim 36mm profile
• Steel look / Crittal style
• Available in Crittall-style designs.

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Key Features

Slimline 49mm profile
U-values as low as 1.1W/m2k (triple glazed)
Lead time 48h
20 year guarantee
Available in Crittall-style designs.

Key Features

Slimline 49mm profile
U-values as low as 1.1W/m2k (triple glazed)
Lead time 48h
20 year guarantee
Available in Crittall-style designs.

OB-49 Slimline

The OB-49 Bifold Doors feature a slim 49mm sightline and deliver a U-Value of up to 1.1W/m2K, backed by a 20-year guarantee. Secured by Design accredited and PAS 24 compliant, these bifold doors provide enhanced security. Available in a wide range of RAL colours.

Key Features

• Slimline 49mm profile
• U-values as low as 1.1W/m2k (triple glazed)
• Lead time 48h
• 20 year guarantee
• Available in Crittall-style designs.

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Key Features

72mm profile
U-values as low as 1.1W/m2k (triple glazed)
Lead time 48h
20 year guarantee
Available in Crittall-style designs.

Key Features

72mm profile
U-values as low as 1.1W/m2k (triple glazed)
Lead time 48h
20 year guarantee
Available in Crittall-style designs.

Origin OB72

The OB-72 Bifold Doors boast a 72mm sightline and provide a U-Value of up to 1.1W/m2K, ensuring energy efficiency and peace of mind with a 20-year guarantee. Secured by Design certified and PAS 24 compliant, these bifold doors offer top-level security. Choose from over 150 RAL colours.

Key Features

• 72mm profile
• U-values as low as 1.1W/m2k (triple glazed)
• Lead time 48h
• 20 year guarantee
• Available in Crittall-style designs.

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Key Features

U-values from 1.3W/m2k (triple glazed)
Lead time 3 weeks
10 year guarantee
Slim sightlines
Steel look / Crittal style
Available in Crittall-style designs.

Key Features

U-values from 1.3W/m2k (triple glazed)
Lead time 3 weeks
10 year guarantee
Slim sightlines
Steel look / Crittal style
Available in Crittall-style designs.

Smart Alitherm Heritage

The Alitherm Heritage Bifold Doors offer slim sight lines, a secure multi-point locking system, and polyamide thermal breaks for superior energy efficiency. They are classified under BS6375 Part 1, Part 2, and Part 3, and are PAS24:2016 security certified. Available in single or dual colours, with a marine-grade polyester powder coat finish as standard.

Key Features

• U-values from 1.3W/m2k (triple glazed)
• Lead time 3 weeks
• 10 year guarantee
• Slim sightlines
• Steel look / Crittal style
• Available in Crittall-style designs.

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Key Features

U-values from 1.3W/m2k (Triple Glazed)
Slim sightlines
Clip on beads
Integrated cill
Available with Heated Glass
Lead time 2–3 weeks
Available in Crittall-style designs.

Key Features

U-values from 1.3W/m2k (Triple Glazed)
Slim sightlines
Clip on beads
Integrated cill
Available with Heated Glass
Lead time 2–3 weeks
Available in Crittall-style designs.

Smart Visofold 1000

The Visofold 1000 Bifold Doors are equipped with polyamide thermal breaks, ensuring excellent thermal performance with U-Values up to 1.5W/m2K. Compliant with Building Regulations Document L 2010 and BS 6375-1:2009, these doors provide both energy efficiency and security, featuring a multi-point lock and shoot-bolt locking system.

Key Features

• U-values from 1.3W/m2k (Triple Glazed)
• Slim sightlines
• Clip on beads
• Integrated cill
• Available with Heated Glass
• Lead time 2–3 weeks
• Available in Crittall-style designs.

Download Factsheet

Bifold Doors

Alunet Aluna

AluProf MB-104 Passive SI / Aero – Door and Window system

AluProf MB-77HS – Door and Window system

AluProf MB-86N – Door and Window system

Cortizo Bifold Door Plus

EVOKE

Korniche Slimline

OB-36 Soho Collection

OB-49 Slimline

Origin OB72

Smart Alitherm Heritage

Smart Visofold 1000

Frequently Asked Questions

All the brands under one roof

Let’s build something amazing together.

Alunet Aluna

AluProf MB-104 Passive SI / Aero – Door and Window system

AluProf MB-77HS – Door and Window system

AluProf MB-86N – Door and Window system

Cortizo Bifold Door Plus

EVOKE

Korniche Slimline

OB-36 Soho Collection

OB-49 Slimline

Origin OB72

Smart Alitherm Heritage

Smart Visofold 1000

Frequently Asked Questions

How much to install bifold doors in the UK?

What is the best profile for aluminium bifold doors?

How long does it take to install a bifold door?

What are bifold doors made of?

Are bifold doors energy efficient?

Do you need planning permission for bifold doors?

Are bifold doors secure?

How do bifold doors work?

How much are bifold doors in the UK?

All the brands under one roof

Let’s build something amazing together.