47x98 cm velux pro edl bk04 1000 slate flashing with insulation grey aluminium finish 3000 x 4500 Customisable Airflow: Adjust the bottom

Customisable Airflow: Adjust the bottom handle to control ventilation without fully opening the window

Noise-Reducing Glazing: Special sound-insulating glazing significantly reduces external noise

This outward-opening window enhances natural light

and innovative rain noise reduction technology for a peaceful indoor experience

this window is both practical and visually appealing

47x98 cm velux pro edl bk04 1000 slate flashing with insulation grey aluminium finish 3000 x 4500 Customisable Airflow: Adjust the bottomVELUX Pro Flashing Set EDL Precise & Weatherproof Installation The VELUX Pro Flashing Set EDL is designed to provide a precise, durable, and weatherproof installation for your VELUX roof window. It ensures a professional finish, offering long lasting protection against the elements. Key Features: Weathertight Seal: The included underfelt collar creates a tight seal between the roof window, battens, and roofing underfelt, preventing water ingress.