Our window systems


The things you love should also be protected! Regardless of whether they’re modern, flush fitted on both sides, classic, or rustic; all types of Katzbeck windows (including lift and slide doors) have been inspected according to the high-security RC2 design.
As such, you can rest assured that the things you hold dear are safe!

LINEAflat – Wood/aluminium


Wood/aluminium window system, flush-mounted inside and out, in an angular, cubic design that satisfies the requirements of modern architecture with its look, durability and efficiency.

LINEA – Wood/aluminium


Wood/aluminium window system, flush-mounted on the outside, in an angular, cubic design that convinces with its premium look, particular durability and maximum energy efficiency.

DESIGN – Wood/aluminium


Modern wood/aluminium window with a premium look and recessed, straightforward design that blends maximum energy efficiency with unbeatable security and exceptional comfort.

COMBINA – Wood/aluminium


Universally versatile wood/window in classic/traditional design that convinces with its particular wood thickness and the stability of its casements, frame and fittings.

COMBINApassiv – Wood/aluminium


The ‘strongest’ wood/aluminium window in our range catches the eye with its solid heft, blending classic design with particular wood thickness and the extraordinary stability of all components.

COMBINAfire – Wood/aluminium


Wood/aluminium window with integrated and certified fire protection (EI30) and unbeatable thermal insulation in a classic, timeless design, ensuring security and comfort in your own four walls.

MASSIVA – Wood


Classic wooden windows in traditional design, engineered for particular solidity, robustness and durability thanks to their sophisticated design and the substantial thickness of their wood.

MASSIVApassiv – Wood


The sturdiest of our wooden windows is rightly considered a ‘powerhouse’ thanks to its solid structure, sophisticated engineering and its exceptionally robust design.

MASSIVAfire – Wood


Classic wooden window in timeless design that combines certified fire protection (EI30) with unbeatable thermal insulation to impart a sense of comfort and security.

FIXflat – All-glass system


The innovative all-glass system delivers unbeatable energy efficiency even without a frame, crossing the boundary between inside and out thanks to its truly expansive design.

Window hardware


Our range of window hardware includes the following areas: Insect screens, windowsills, sash bars, fittings, handles and son blinds.