Fixed WindowsOne Sash 4 Panes
Product number: FK4
Materials: Knot free, slow-growing, FSC certified nordic heartwood.
Timber quality: Max. distance between growth rings – 4 mm; Min. weight - 480 kg/1m3
Sash: 57 x 60 mm (Opening windows only)
Frame: 44 x 115 mm
Hinges, handles, locks, vents, friction brake: Manufactured in Denmark and Sweden by manufacturers like IPA and ASSA ABLOY (RUKO)
Pre-drilled fixing holes: No - this ensures flexibility when it comes to product installation.
Aluminium glazing beads externally: Additional protection that extends the durability and eliminates nail holes with a nice smooth finish.
Glass specifications: 4-20-4mm with Low-e coating, warm edge spacer and Argon (Standard clear glass)
Glass performance: Ug value: 1.15 W/m2K
Window performance: Uw value: 1.3 W/m2K
Wood treatment: Akzonobel Winflex P437
Paint: Akzonobel ZW Rubbol WF 3310-03-25 - Child friendly, without harmful chemicals.
Paint technology: Finiture Saonara Robot (The quality work of our painting robot is without comparison - and is one of the reasons to choose Klarwindows)
Cill packer: 86 x 18 mm - To attach window panels to our windows, we have a "Packer" mounted on the underside of the frame. This is part of the construction and is included in the overall dimensions of your window.
Cill packer drawings
Manufactured to your bespoke order: The measurements are determined by your project and our highly technological factory takes care of the rest. No middle man - just low prices and good quality windows.
CE marking: Yes - your guarantee of European quality.
Warranty: 10 years
Most people may only have to invest in new windows and doors once or twice in a lifetime, so this is usually a big decision to make. That's why we are here to help you - with good advice, guidance, information and generally just with answers to any questions you may have. And don't hesitate to contact us - all questions are relevant and we take them all very seriously.