Product number: FK4
Materials: Knot-free FSC-certified Estonian pinewood (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). Black spacer profile for all 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 Klar).
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.
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: 7 years.
Your new windows and doors should be made uniquely for your home. Here's four good reasons why you should choose Klar for that job: