12 Inch Shipping Container Roof Vent Adapter for Container House Roof with 3.5 Inch Rib Spacing, Compatible with Whirlybird Turbine Vent Solar Vent (Gray)

Improve airflow in your shipping container with this 12-inch Roof Vent Adapter, created specifically for flat container roofs. The wide flat base aligns with standard 20ft, 40ft, and High-Cube shipping containers, offering a stable surface for installing round turbine roof vents or solar-powered exhaust units. Made from heavy-duty steel with an outdoor-resistant coating, this adapter is suitable for long-term use on container homes, workshops, and storage units. Its structure supports consistent air movement, helping reduce interior heat and humidity when used with compatible ventilation hardware. Installation is straightforward. The adapter includes pre-drilled mounting holes, allowing users to secure it with screws or rivets. No welding or specialized equipment is required, making it a practical option for both DIY builders and professional installers. This roof vent adapter is a functional addition to any container-based project, contributing to improved airflow and interior comfort while providing a reliable mounting solution for common 12-inch turbine ventilation systems.

• DESIGNED FOR SHIPPING CONTAINER ROOFS：Specifically developed for corrugated shipping container roofs with 3.5 inch rib spacing, providing a stable mounting base for 12 inch roof turbine vents, whirlybird turbine vent, solar vent turbine, exhaust fans, or ventilation equipment in container houses and modified containers
• STANDARD 12 INCH ROUND INTERFACE：Features a 12 inch round vent adapter opening that compatible with whirlybird vent, solar-powered turbine vent,common roof turbine vents and ventilation systems, supporting flexible installation for conex container house, mobile buildings, and industrial ventilation projects
• Sturdy METAL CONSTRUCTION With RUST-RESISTANT COATING：Made from sturdy steel with a gray rust-resistant coated finish, offering strong structural support for outdoor and industrial environments while maintaining a clean, professional appearance on shipping container rooftops
• BUILT-IN METAL PROTECTIVE MESH：Integrated metal mesh inside the vent opening helps block debris and foreign objects from entering the ventilation system without restricting airflow, suitable for long-term container roof use
• WIDE FLANGE WITH MULTI-HOLE DESIGN：Wide flange base with pre-drilled mounting holes allows secure fastening to container roofs,Easily install roof turbine vents on shipping containers without welding, supporting both new installations and retrofit ventilation upgrades