Void vents

The Ubbink Flat Roof Void Vent, also known as a Flat Mushroom Vent, provides effective ventilation for flat roof voids while helping to prevent rain ingress. Compact, durable and suitable for a wide range of weather conditions, it is designed for both new build and refurbishment projects. Featuring a high-capacity ventilating hood and integrated fixing detail, the Flat Roof Void Vent offers a practical and reliable solution for maintaining airflow within flat roof constructions.

• Provides effective ventilation for flat roof voids.
• High ventilation capacity to support airflow within the roof structure.
• Rain-protected design to help prevent water ingress.
• Suitable for most weather conditions.
• Manufactured from high-quality polypropylene (PP) and aluminium.
• Compact, durable and aesthetically discreet design.
• Suitable for both new build and refurbishment projects.
• Compatible with 3-layer torch-on felt, asphalt and GRP roof systems.
• Integrated adhesive plate for secure installation.
• Additional fixing points help ensure stability and long-term performance.
• Black cap with aluminium flange finish.
• Reliable, low-maintenance ventilation solution.