Exhaust Fan Curb Roof Ventilation Layout with Size Details Plan

This exhaust fan curb drawing presents a clear roof ventilation layout with accurate size details for proper air circulation and structural integration. The design includes curb dimensions, fan base placement, roof opening size, mounting height, and ventilation alignment to ensure efficient airflow performance. It also shows section views, elevation references, and fixing details that help in the correct installation of roof slabs. This CAD file is useful for planning exhaust fan curb systems in residential, commercial, and industrial buildings. The drawing supports coordination with duct routing, structural openings, and waterproofing layers, making it suitable for architects, civil engineers, and designers working on ventilation systems using AutoCAD files and cad files.