Duration Putty-Line Windows

Our Putty-line Windows have been design specifically for use as a slim-line and thermally efficient replacement for old putty glazed Steel windows. With an authentic 45¡ angled putty-line design they replicate the appearance and slim sight-lines of traditional steel windows. They will retain the character and integrity of your traditional property whilst offering much improved weather and thermal performance.

They suitable for use in conservation areas and listed properties, meeting the building regulations for new build as well as replacement and referbishment projects. They offer high security multipoint locking and slim-line Aluminium profiles, which incorporate the latest polyamide thermal break technology. When used along with our double glazed argon gas filled sealed units they achieve excellent U values. They are fitter friendly; internally glazed, with our optional clip-on A-shaped astragal bars for ease of glazing.

Specification Details

Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Duration Group is consulted before specifying.

Duration Group


Duration Putty-Line Windows

Standard
• Height: 350 - 1500 mm
• Weight: 50 kg
• Width: 350 - 1250 mm
• Uniclass: Pr_30_59_98 Window units
• U-value (overall): 1.6 W/m2k
• Water Tightness: 600 Pa
• Wind Resistance: 2000 Pa

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