Zyle Fenster
Zyle Traditional Sash Window
A modern timber box sash retaining traditional cords, weights, proportions and mouldings for Georgian, Victorian and Edwardian architecture.
What this system is designed to do
A modern timber box sash retaining traditional cords, weights, proportions and mouldings for Georgian, Victorian and Edwardian architecture.
Where we would specify it
It is suited to period homes and traditional new buildings where authentic sash operation is wanted alongside improved warmth, weather resistance and security.
Features and performance
- Traditional cord-and-weight operation
- Internally beaded for security
- Period moulding and glazing-bar choices
- Double-glazed Low-E units
- Concealed trickle ventilation
- FSC or PEFC certified timber options
Technical specifications
Colours and finishes
Colours and finishes
Any RAL colour, or a stain.
Three coats of water-based microporous paint or stain are applied in the factory, so the windows arrive ready to install. White, RAL 9016, is standard.
Timber
- Material
- Engineered redwood as standard, with a solid hardwood cill; engineered hardwood, Accoya or European oak
- Certification
- FSC or PEFC
Finish
- Finish
- Three-coat factory spray: water-based microporous paint or stain
- System
- Teknos Aqua prime 1410, Aqua mid 5200, Aqua top 2600
- Colour
- White (RAL 9016) as standard, any RAL Classic colour, or a stain from the Zyle Fenster stain range
- Guarantee
- 10 years on opaque finishes, 6 years on stains
Standard colours 27
White, RAL 9016, is standard. Select colours to add them to your project enquiry.
Any RAL Classic colour
Every colour in the RAL Classic range can be specified.
Also available
- Wood stains A stain from the Zyle Fenster stain range can be used instead of paint.
- Glazing beads Internally glazed with timber beads. Supplied in white, grey or black.
- Spacer bars White warm edge spacers as standard; silver or black optional.
Your selection
Colours on screen are a guide only, and pearl and metallic finishes cannot be shown. Add your choices to your project enquiry and we will go through them with you.
Add to project enquirySource: Zyle Fenster’s specification and FAQs for this system. Standard colour range and glazing bead colours: Zyle Fenster, September 2026.
FAQs
Common questions, answered.
The essentials on the Zyle Traditional Sash Window: what it is, how it performs, the options, and where it fits best.
Still have a question?
Our team can talk you through the detail for your project.
What is Zyle Traditional Sash Window?
A modern timber box sash retaining traditional cords, weights, proportions and mouldings for Georgian, Victorian and Edwardian architecture.
How does Zyle Traditional Sash Window perform?
Published whole-window performance includes Uw values of 1.5–1.4 W/m²K, acoustic ratings up to Rw 38 dB and a 60-year anticipated service life with regular maintenance.
Which design and specification options are available?
Available in engineered redwood, hardwood, Accoya or oak with varied mouldings, glazing bars, ironmongery, RAL colours and stains.
When would Eco Home Windows specify this system?
It is suited to period homes and traditional new buildings where authentic sash operation is wanted alongside improved warmth, weather resistance and security.
Downloads
Drawings and technical data.
10 files for this system, published by Zyle Fenster. Tell us who you are once and everything here opens for the rest of your visit.
Datasheets 1
Specification sheets and technical data
CAD drawings 1
DWG section details for drawing packages
Revit families 4
Parametric families for Revit models
IFC models 4
Open BIM geometry for any IFC-capable tool
Before you download
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