Windows

Windows for the space of your life

Klas1 windows are manufactured from dense-grained northern pine. All glass is manufactured in Finland.

Openable window

Combination window

Fire-rated window

Sound-insulated window

Specialty glass

Signal-transmitting glass

See also

Window operation and maintenance instructions and quality requirements

Declaration of Performance

Please also note that Klas1 reserves the right to make changes to the information presented on the website. Always request the latest information from our staff.