The MB86N-SI is a cutting-edge aluminium window system engineered for outstanding thermal performance and durability. Designed to meet modern energy efficiency standards, this system incorporates high-quality insulating inserts and a two-component central gasket to dramatically reduce heat loss and lower heating bills. Its robust construction—with a deeper, 86 mm profile—ensures exceptional stability and longevity, making it ideal for larger openings and demanding applications.
Key Features & Benefits:
- Superior Thermal Efficiency:
Innovative insulation technology minimizes thermal bridging, ensuring a low U-value that helps maintain indoor comfort and significantly cuts energy costs.
- Robust & Durable Design:
The 86 mm deep profile and multi-chamber construction deliver enhanced structural stability, making the MB86N-SI well-suited for extensive, high-performance installations.
- Enhanced Security & Smooth Operation:
Standard high-quality fittings, including MACO MULTI-MATIC KS hardware with anti-theft strikers, provide secure, reliable operation and long-lasting performance.
- Customisable Aesthetics:
With over 200 RAL colour options and a range of finish choices, the MB86N-SI offers the flexibility to match any architectural style, ensuring a bespoke look that complements your design vision.
- Exclusively in the UK:
Grand Windows is proud to be the exclusive supplier of the MB86N-SI by drutex in the UK, guaranteeing expert support and genuine product quality.
Elevate your building’s performance and aesthetic appeal with the MB86N-SI—where modern technology meets timeless design for energy-efficient, secure, and stylish fenestration.