Slim line insulated steel profile system

MHB's steel windows are the most exclusive, aesthetic windows for your project. The windows are made entirely by hand in our own facilities. The robust, sharp-edged steel frames are unique, durable and ultra-slim with a profile width of only 50 mm (1 15⁄16”). We strive for aesthetic perfection and the highest safety of our products. We monitor our entire production process to ensure that your windows are flawless.   Highest technical standards All our steel frames are weather resistant up to Class 6A - 600 Pa according to the NEN-EN 12208 standard. The thermal insulation of MHB windows is unprecedented thanks to the advanced insulation system in our solid steel profile systems. We add micro-engineered, fully double... More