25/09/25

Types of PVC Window Opening Systems

Modern PVC windows are available in several main opening systems, each with its own advantages and specific applications.

Turn Opening

Classic type — the sash rotates around a vertical axis. Advantages:

• Maximum room ventilation
• Easy internal cleaning
• Simple operation
• Affordable price

Disadvantages:

• Requires space for opening
• Limited air flow in strong winds

Tilt and turn Opening

Combined system — allows both swinging and tilting the upper part of the sash. Advantages:

• Two ventilation modes
• Safe ventilation
• Effective air circulation
• Easy maintenance

Fixed Panes

Non-opening windows used as part of the structure. Advantages:

• Low cost
• Maximum light transmission
• Enhanced airtightness

Choosing an Opening System

When selecting an opening system, consider:

• Room purpose
• Architectural features
• Climatic conditions
• Safety requirements
• Maintenance convenience

Combined solutions often provide the best functionality and user comfort.