Select Page
Slide
Built for Security & Everyday Use

Now certified to RC 2, the AS FD 90.HI system features robust sealing, stainless steel tracks, and a magnetic catch — ensuring secure, smooth performance over time.

Slide
Slim, Secure & Insulated Folding Doors

With face widths from just 90 mm and thermal values down to 0.8 W/m²K, the AS FD 90.HI system provides elegant folding sliding solutions with high energy performance.

Slide
Flexibility in Form & Function

Choose from up to 7 folding sashes, 3 threshold heights, and manual or side-hung door options — all built for smooth operation and individual design flexibility.

Schüco AS FD 90.HI Folding Sliding Door

The Schüco AS FD 90.HI folding sliding system combines ultra-slim profiles with outstanding thermal insulation and flexible design options. Ideal for residential and commercial spaces, it delivers smooth operation, advanced security, and elegant transitions between inside and out.

Slim face widths from 90 mm for a sleek appearance

Thermal insulation values down to Uw = 0.8 W/(m²·K)

Certified up to RC 2 for burglar resistance (DIN EN & PAS 24)

Up to 7 vents with multiple opening and threshold configurations

Maximum vent height of 3,500 mm and unit width of 10,500 mm

Integrated magnetic catch and optional side-hung door

Extremely quiet stainless steel tracks and durable rollers

Flexible threshold heights (<12.5 mm to >20 mm) for accessibility

Tested to DIN EN 1191 with corrosion protection class 4 fittings

About the AS FD 90.HI System

A premium folding sliding door for energy-efficient and secure spaces

The Schüco AS FD 90.HI folding sliding door system is designed to meet the demands of modern architecture. It delivers minimal visual obstruction with face widths starting at just 90 mm while achieving excellent energy efficiency through triple-glazing compatibility and optimised sealing.

This versatile system supports various configurations, from flush thresholds for smooth indoor transitions to elevated options for high weather resistance. Its quiet, reliable operation is supported by stainless steel tracks and rollers, making it suitable for frequent use in homes, hotels, and commercial settings.

With a maximum vent height of 3,500 mm, unit width of up to 10,500 mm, and support for up to 7 panels, the AS FD 90.HI system offers exceptional design freedom. Combined with RC 2-level security, sound insulation up to 48 dB, and robust weather resistance, it’s a high-performance solution that doesn’t compromise on style or functionality.

Technical Specifications

Min. vent height

660 mm

Min.-max. vent width

600…1500 mm

Vent frame face width

41 mm

Min. face width of interlocking section

90 mm

Min. system basic depth

90 mm

Min.-max. system basic depth

90…90 mm

Uw value of window (≥)

0.8 W/(m²·K)

Max. sound reduction index Rwp

48 dB(A)

Watertightness

E 750​

Burglar resistance

Up to RC 2, PAS 24

Operating type

manual

Max. vent weight

150 kg

Min. face width

90 mm

Max. glass/panel thickness

65 mm

Uf value of frame (≥)

1.3 W/(m²·K)

Total basic depth

90 mm

Width of vent frame

90 mm

Max. unit width

10500 mm

Max. unit height

3608 mm

Outer frame face width

71 mm

Min. face width of mullion

90 mm

Min.-max. face width of mullion

90…104 mm

Min. face width of meeting stile

138 mm

Min.-max. face width of meeting stile

138…171 mm

Min.-max. glass/panel thickness

23…65 mm

Threshold height

< 12,5 mm, < 20 mm, > 20 mm

Area of application

Internal use, External use, Residential projects, Commercial projects, Accommodation facilities

Meeting stile design

Yes

Number of vents

1, 2, 3, 4, 5, 6, 7

Number of tracks

Single track

Track material

Stainless steel

Roller carriage material

Aluminium, PVC-U, Stainless steel

Surface finishes

RAL, Powder, Anodised, Paint

Fittings installation

Barrel hinge

Opening type

Type 6/90°, Free configuration

Proof of durability

DIN EN 1191

Corrosion protection class for fittings

Class 4

Air permeability

Class 4

Wind resistance deflection

Klasse B5

Wind load resistance

Class C3, Class B5

Drainage levels

4

Security glazing

Yes

CE marking

Yes

Cradle2Cradle

Yes

Colour-independent

Yes

Looking for ultra-slim folding doors with high performance?

Get a Quote for the AS FD 90.HI System

Contact us today to explore how the Schüco AS FD 90.HI folding sliding system can enhance your project. We’ll help you choose the right configuration to meet your design, thermal, and security requirements.

What Our Customers Say

We take pride in delivering exceptional glazing solutions and outstanding customer service. Here’s what some of our happy clients have to say about working with Minimal Frame Projects.

Visit Our Showroom in Surbiton

Visit Our Showroom & Explore Premium Glazing Solutions

Experience the quality of our slimline glass doors, windows, and structural glazing in person. Whether you're planning a project or need expert advice, our team is here to help.

Located in Surbiton, we welcome homeowners, architects, and developers to see our range up close.

0207 550 6550