Reynaers SL38 aluminum window and door system


Slim Line 38 is a window and door system with high thermal insulation, combining elegance and comfort with a unique design. This special, slim, steel design is ideal for modern architecture and renovation that respects the original design, but offering a thermally improved solution.

The SL 38 window is available in 3 different minimalistic design variants: Classic, Ferro and Cubic to perfectly match the architectural character of the building.

Along with excellent insulating properties, the system provides perfect harmony between durability, beautiful design and architectural challenges.


Window frame thickness99 mm76 mm76 mm
Window wing thickness86 mm75 mm72 mm
Minimum visible width (frame + sash)55 mm55 mm55 mm
Glass thicknessmax. 55 mmmax. 55 mmmax. 55 mm
Coefficient of thermal permeability UfUf od 1.4 W/m2KUf od 1.4 W/m2KUf od 1.4 W/m2K