Kömmerling MD (88)
A PVC frame designed for maximum insulation in low-energy and passive houses.
The Kömmerling MD (88) PVC frame stands out for its exceptional insulation thanks to its 7 chambers and three seals, ideal for projects demanding high energy performance.
System Type
- 88 mm system
- Central seal (MD – Mitteldichtung)
- Premium high-performance system
Technical Structure
- 7 insulating chamber design
- 3 levels of sealing
- High stability steel reinforcement
- Installation depth: 88 mm
- Glazing up to 58 mm
- Compatible with triple glazing and special functional glazing
Thermal Performance
- Compatible with passive houses (ift directive WA-15/2)
- Standard Uf value: 0.95 W/(m²K)
- Uf value with enhanced insulation: 0.88 W/(m²K)
- Uw value up to 0.72 W/(m²K)
- Thermal insulation at passive house level in standard version
Acoustic Insulation
- Compatible with high requirements using 58 mm glazing
- 7 chamber structure + acoustic amplification chamber
- Suitable for noisy environments
Security
- Compatible up to class RC3 (MC3)
- Designed for anti-burglary fittings
- Maximum dimension steel reinforcement
- Triple sealing barrier
Design and Customization
- Straight lines, slim profiles
- Classic white, solid colors, wood and metallic finishes
- AluClip option (aluminum cladding on the outside)
- Available for windows, residential doors, side doors, sliding doors
Durability & Ecology
- PVC greenline
- Lead-free (calcium-zinc stabilizer)
- Fully recyclable
- KIWA certification
- Circular production
- Contributes to reducing CO₂ emissions