Zyle Fenster
Zyle Triple Glazed Sash Window
A traditional cord-and-weight timber sash engineered around a deep triple-glazed unit for lower-energy homes.
What this system is designed to do
A traditional cord-and-weight timber sash engineered around a deep triple-glazed unit for lower-energy homes.
Where we would specify it
It suits energy-conscious projects that want recognisable sash-window character but are not constrained to ultra-thin conservation glazing.
Features and performance
- Traditional cord-and-weight operation
- Triple glazing with two Low-E coatings
- Argon-filled cavities
- Warm-edge spacers
- Concealed ventilation options
- Multiple timber and finish 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, 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 2901, 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 beaded, with an external rebate up-stand so the window reads as putty glazed. 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 Triple Glazed 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 Triple Glazed Sash Window?
A traditional cord-and-weight timber sash engineered around a deep triple-glazed unit for lower-energy homes.
How does Zyle Triple Glazed Sash Window perform?
The published whole-window Uw value is 1.1 W/m²K, with Class 3 air permeability, Class 5A water tightness, Class 4 wind resistance and a 60-year anticipated service life with maintenance.
Which design and specification options are available?
Engineered redwood is standard with hardwood, Accoya and oak alternatives, varied ironmongery, RAL colours, stains and acoustic glass build-ups.
When would Eco Home Windows specify this system?
It suits energy-conscious projects that want recognisable sash-window character but are not constrained to ultra-thin conservation glazing.
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
Who should we send this to?
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