Sliding windows C21h in classic design

The classic designed sliding windows C21h, is primarily used in construction of public and residental buildings. This system is designed with straight lines and joint corners at a 90 degree angle.

This system is made for large openings and can combine an integral fly screen.

Similar products:

Sliding windows C21 in classic designClassic designed sliding door C22Sliding doors C22h in classic design for large openingsClassic designed windows C11Opening doors C12 in classic designMinimalist designed sliding window N21Particularly narrow Belgian sliding window B21


[single glass]: 4-6, 8 mm;  [glass layers]: 6-12, 14 mm;  [insulated glass]: 14-16, 22-23 mm.



A variety of push handles- sliding multilock mechanism.


Maximum sash size

Width up to 150 cm, height up to 260 cm.

Meaning, the double panel sliding window could reach up to a width of 3 m and a height of 2.60.

Incase you are interested in a higher upper fix, you can combine one. For a larger width, additional sashes can be combined or you can move to the urban series. Maximum weight of 160 kg.



In this series, it is customary to use the RAL and metallic colors.

You can choose a color from Extal's color fans, including: (S) satin, (M) metallic or (G) grain.