ASS 70FD Key Features

The Schüco ASS 70FD bifold door delivers on every performance measure expected of a premium German-designed aluminium system. Its narrow face width and slim lines maximise glazed area and better views, while strong thermal insulation, quiet fold action, and RC 2/WK 2 security accreditation provide homeowners and specifiers with complete peace of mind. Available across multiple configurations with flexible design options and finishes.

Schuco ASS70FD bifold door

Slim Lines and Minimal Face Width for Better Views

Quiet, Smooth Fold Action and Ease of Use

High Thermal Insulation with Polyamide Thermal Breaks

RC 2/WK 2 Security – Complete Peace of Mind

Schüco ASS 70FD Technical Specifications

Full technical specifications for the Schüco ASS 70FD bifolding door system. Contact our team for project-specific configuration and specification support.

Product guidance – as standard
Max. height vent3000mm
Max. width vent1200mm
Max. weight vent (element)120kg
Overall system depth frame77mm
Overall system depth vent77mm
Min. Glass thickness6mm
Max. Glass thickness63mm
Product specification
Glazing methodDrained and ventilated glazing with EPDM synthetic rubber gaskets.
FinishingChoose from a full range of polyester powder coat colours and anodised finishes.
Dual colourDual colour available offering a different colour inside and out.
Profile assemblyWeather stripped profiles with polyamide thermal breaks.
SecurityMeets the very stringent requirements to be awarded the RC 2/WK 2 accreditation.
Air permeabilityUp to 600 Pa (class 4).
Wind load resistanceUp to 1200 Pa (class B3).
Water tightnessUp to 250 Pa (class 6A).
Acoustic performanceRw (C; Ctr) = 34 (-2;-5) dB / 45 (-1;-5) dB, depending on glazing type dB.

Schüco ASS 70FD Product Downloads

Download technical datasheets, performance data, and product documentation for the Schüco ASS 70FD bifold door system.

Slim Lines, Open Spaces, and Energy Efficiency

The Schüco ASS 70FD bifolding door is engineered to open almost the entire glass wall, creating seamless easy access to outside spaces and flooding interiors with natural light. Its narrow face width and slim lines minimise visual obstruction, delivering better views and a clean, contemporary aesthetic suited to new extensions and architect-designed homes.

The ASS 70FD’s compatibility with complementary Schüco door systems makes it a highly practical choice for projects that require a coordinated glazing solution. Available in a range of configurations – from two to multiple panels, in a variety of fold and width arrangements – the system adapts to almost any opening size or architectural requirement across the UK.

Schuco ASS70FD bifold door
Schuco ASS70FD triple glazing window frame

German Engineering, Thermal Performance and Functionality

Schüco bifold doors are synonymous with precision German design and engineering. The ASS 70FD’s rounded profile corners, smooth fold action, and drained and ventilated glazing system combine to deliver a product that is as dependable in everyday functionality as it is in measured thermal performance and weather resistance.

With polyamide thermal breaks, high thermal insulation values, and glazing options up to 63mm, the Schüco ASS 70FD supports strong energy efficiency across a range of project types. RC 2/WK 2 security accreditation and robust air, wind, and water resistance ratings mean homeowners and specifiers can specify these Schüco bifolds with complete confidence and peace of mind.

Schüco ASS 70FD Bifold Door FAQs

Frequently asked questions about the Schüco ASS 70FD bifolding door system. For technical or project-specific enquiries, our team is ready to assist.

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What our customers say

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Zyle supplied Passive House windows for our new build, and the system met all project expectations. Airtightness and overall performance were delivered as specified, and their technical coordination on site was reliable and detail focused.

Private Owner

Mark Reynolds, Bristol

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Our vacuum glazed sash windows provide an excellent balance between heritage sensitivity and modern performance. The slim glazing preserves the character of the property while significantly improving overall comfort. Installation was precise and professionally managed.

Private owner

Laura Mitchell, Southampton

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The Passive House windows performed exactly as required within our project specification. Installation detailing, sealing, and overall execution were handled correctly, ensuring a high standard of delivery. A technically competent and reliable supplier.

Private Owner

Andrew Collins, Cambridge

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We selected aluminum windows for their contemporary aesthetic and low maintenance. The proportions are well considered, and the finish quality is consistent throughout. Installation was efficient and carried out with strong attention to detail.

Private Owner

Rachel Adams, Reading

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The triple glazed sash windows integrate seamlessly into the existing façade while offering a clear upgrade in comfort. Craftsmanship is evident in both joinery and installation, and the improvement in acoustic insulation is immediately noticeable.

Private Owner

Thomas Green, Nottingham

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The Alu-Clad windows and doors introduced a strong architectural presence while maintaining a refined internal finish. Detailing, material quality, and consistency across the project are of a high standard. The process was structured and dependable from start to finish.

Private Owner

Olivia Bennett, Oxford

Talk to Our Team

Whether you are an architect specifying for a new project, a self-builder planning your custom home, or a developer working to a programme, our team is here to help. Get in touch for technical advice, product information, or to request a quote.

  • 124 City Road
  • London
  • United Kingdom
  • EC1V 2NX

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