Zyle Fenster
Zyle Traditional Timber Casement
A made-to-order flush timber casement combining traditional joinery and moulding choices with modern double- or triple-glazed performance.
What this system is designed to do
A made-to-order flush timber casement combining traditional joinery and moulding choices with modern double- or triple-glazed performance.
Where we would specify it
It works for traditional homes, sensitive refurbishments and new buildings that need natural timber with strong thermal performance.
Features and performance
- Flush timber casement profiles
- Double- or triple-glazed versions
- Top-hung, side-hung or reversible operation
- Mortise-and-tenon construction
- PAS 24 / SBD configurations
- RAL paint and stain choices
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; engineered hardwood, Accoya or European oak
Finish
- Finish
- Three-coat factory spray: water-based microporous paint or stain
- Colour
- White (RAL 9016) as standard, any RAL Classic colour, or a stain from the Zyle Fenster stain range
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 beaded. 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 Timber Casement: 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 Timber Casement?
A made-to-order flush timber casement combining traditional joinery and moulding choices with modern double- or triple-glazed performance.
How does Zyle Traditional Timber Casement perform?
Published Uw values are 1.2 W/m²K double glazed and 0.8 W/m²K triple glazed. PAS 24 and Secured by Design configurations are available.
Which design and specification options are available?
Top-hung, side-hung and fully reversible operation is offered in engineered redwood, hardwood, Accoya or European oak with RAL paint or stain finishes.
When would Eco Home Windows specify this system?
It works for traditional homes, sensitive refurbishments and new buildings that need natural timber with strong thermal performance.
Downloads
Drawings and technical data.
13 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 2
Specification sheets and technical data
CAD drawings 1
DWG section details for drawing packages
Revit families 5
Parametric families for Revit models
IFC models 5
Open BIM geometry for any IFC-capable tool
Before you download
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