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The KÖMMERLING 76 centre seal system (76MD) offers all the benefits modern windows can provide.

The centre seal system with six chambers and 76 mm construction depth offers a combination of modern design and perfect profile proportions.

The system’s innovative design can take on modern triple glazing or special functional glazing with panes up to 50 mm thick. Thanks to intelligent fastening technology, the professional installation is fast, clean, and effortless.


KÖMMERLING 88 is a high-insulation, 7-chamber centre seal system with a modern construction depth of 88 mm. The standard system version returns an outstanding Uf value of 0.95 W/(m2K) and fulfils the high energy saving requirements for passive houses. This value is achieved with the steel reinforcement for maximum element sizes and on color profiles.

KÖMMERLING 88 makes large-windowed areas possible. The stable structure can take triple or ultra-modern functional glazing up to 58 mm thick, creating a visually appealing facade design with outstanding sound insulation values.

Additionally, large windowed areas allow the passage of more solar energy, especially in the cold seasons, thus minimizing energy needs and CO2 emissions.

Color Solution

Fentro understands color choices. That is why we have established our profile lamination line to provide high-quality colors for discerning customers. Choose from various high-quality finishes, from plain colors to wood grains with lead times not exceeding four weeks. Fentro promises color consistency and is quality-backed with a 10-year warranty.


Ideal for uPVC and Timber Tilt and Turn window systems, the TITAN AF saves time and money in the production process. It is made from high-quality materials and flexible enough to integrate into existing production lines. Numerous product improvements reduce installation times. Extensive design options provide customized room comfort.

KFV Door Hardware

KFV’s unique modular system, uniform routing templates, a high degree of preassembly, and freely combinable product families allow for a wide range of flexible and efficient configuration. The low number of components also ensures lean warehousing. KFV door hardware features a multi-point locking system with options for either handle operated or key-operated, multi-point locks.

BKV Hinges

Suitable for all conventional PVC profile systems, BKV hinges are ideal for heavy, inward- or outward-opening entrance doors up to 120 kg.

Hoppe Handles

Fentro’s portfolio of hardware systems portfolio is complemented with high-quality Hoppe window and door handles. Available in a variety of finishes, the handles have the patented Secustik® function for added security. Secustik window handles contain a jamming-device, which provides integrated security. This feature makes it more challenging to move the window fitting unlawfully from the outside. A coupling element acts as a mechanical diode. This component allows for everyday use from the inside, but the handle jams if turned from the outside.

Fentro Hardware Systems is proud to represent Hoppe Handles in North America.


SPAX® construction screws and fasteners are engineered to save time and money. They offer a versatile fastening solution for multiple materials, including wood, metal, uPVC, and treated lumber. SPAX high-performance, professional-grade screws are ideal for a wide range of interior and exterior applications.

Fentro Hardware Systems is proud to represent SPAX in North America.

CES Cylinders Locking System

CES is one of the leading manufacturers of mechanical locking systems for public, private, and industrial buildings. Known for its high quality, CES offers a wide range of products dependent on customer profiles.

Fentro Hardware Systems is a proud partner of CES and carries a range of cylinders available in different finishes.

PHI Glazing & Installation Accessories

Fentro recognizes the challenges in producing and installing finished windows. To support fabricators, Fentro carries a range of PHI (Partner für Handel und Industrie) glazing bridges and installation shims. PHI has been a supplier of high-quality accessories to the window and door industry for over 30 years and has gained quality certificates from ISO 9001, Quality Seals of the RAL Quality Community and ift Rosenheim.

Fentro Hardware Systems is proud to represent PHI in North America.

Wemaro Manufacturing Tools

Wemaro is a leading producer of cutting tools for fabricating uPVC, aluminum, steel, and composite profiles. The company incorporates advanced technology to streamline production, enabling it to produce tools tested to the highest standards.

Fentro Hardware systems is proud to be Wemaro’s exclusive distributor in Canada.

PremiSlide 76 (PS76)
PremiDoor 76 (PD76)
PremiDoor 88 (PD88)


Fentro’s PremiDoor 76 (PD76) and PremiDoor 88 (PD88) are unmatched in ease of operation, durability and performance.

These elegant, superior-quality Lift and Slide Doors come as fully assembled or knock-down, and both are unglazed. The engineering behind these doors is from KOEMMERLING and includes Siegenia hardware. These doors come in different color finishes, from black to wood grain colors.

Like Fentro’s Lift and slide door, the PremiSlide 76 (PS76) features Siegenia’s EcoSlide. This door is meant for window applications, providing high levels of flexibility and performance.

Also engineered by Koemmerling, this door comes fully assembled without glazing and is available in various color finishes.

PremiSlide 76

PremiDoor 76

PremiDoor 88