
Wooden
Windows / Doors
Natural, durable, and sustainably built
Sustainable Natural Material
Wood is a renewable building material with a low environmental impact. Responsibly sourced timber combines sustainability with long-term durability and timeless appeal.
Excellent Insulation Performance
Solid timber provides excellent thermal insulation and effective sound reduction, helping to maintain a comfortable indoor environment throughout the year.
European Timber Quality
European timber grows more slowly than many local species, resulting in higher density and improved stability. This provides a strong and reliable foundation for long-lasting windows.
Natural
Wood Finish
A durable multi-layer coating preserves the natural appearance of the wood while protecting it against UV exposure, moisture, and weathering.
German
Manufacturing
Manufactured in Germany using modern production technology and strict quality standards, each window is built for precision, durability, and consistent performance.
Wide Range of
Timber Options
Choose from premium timber species including spruce, pine, larch, oak, walnut, and Accoya®, allowing the right balance of appearance, durability, and performance for every project.

Typical Applications
- Natural thermal insulation
- Sustainable and renewable material
- Excellent acoustic performance
- High structural strength for large openings
- Timeless architectural appearance
- Premium wood selection (oak, walnut, larch, pine)
- Durable multi-layer surface coating
- Ideal for renovation and new construction
- Suitable for South African climate conditions
HF 82 | HF 82 EFFICIENT
Technical Information
Materials

Wood

Types of wood:
Pine, Meranti, Spruce,
Larch, Oak

Sealing:
Two continuous seals

Hardware system:
Tilt-and-turn
Visible hinge side
Performance

Thermal insulation:
Standard: Uw 0.86 W/m²K

Sound insulation:
Class 4

Airtightness:
Class 4

Watertightness:
Up to class 7A
Dimensions

Frame depth:
82 mm

Visible width:
113 mm

Maximum glass thickness:
Standard: 44 mm

Shapes:
Windows with arches
and bevels possible
Security & Colours

Colours:
According to KNEER-SÜDFENSTER
color chart

Burglary protection:
Up to resistance class RC 2

Schedule your consultation and experience the value of German-engineered windows, professionally installed in South Africa
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