Center Seal Bar
Efficient, Knowledgeable, Adaptive.
Steady Center Seal Bar
Our window types with a stable center sealing bar have an additional third centrally located sealing level compared to windows with stop seals.
“BRAND” windows with a stable center sealing bar are marked with MD and offer the following advantages:

Our Products
Window Models
Safety, energy efficiency, indoor health, design, and durability are the features with which you equip and design your home. Our window series are designed and manufactured according to these requirements. The profiles of our window series are available with frame depths of 70mm and 85mm, allowing all our window models to be easily equipped with triple glazing. The brand windows constructed in this way exceed the Uw value of 0.95 W/m2K required by KfW for funding. This not only benefits the environment but also saves energy and costs.
Our Product
We Ensure Tested quality




All products from SIGMA and Fenstertechnik brand GmbH undergo regular quality and product safety checks conducted by independent institutes according to standard guidelines.
Email Us
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Call Us
+(123) 456 7891
we are open
8:00 – 6:00
location
Manhattan Beach, CA
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