Dome Section Detail CAD Drawing with Flashing and Water Stop

This dome sectional detail AutoCAD drawing presents a precise 2D construction section prepared for roof drainage and waterproofing coordination. The CAD file illustrates a dome assembly with cast iron components finished using red oxide paint, double surface treatment, and emulsion coating for durability. Key elements such as the dome cover, rust-resistant bolts, and combined flashing collar are clearly labeled to explain fixing and assembly methodology. The drawing shows proper roof slope toward the dome, finished floor level reference, and gravel stop integration to control water flow and surface protection. Section hatching differentiates structural layers and surface finishes for clear technical understanding.

The drawing also includes a membrane or water stop detail beneath the flashing collar to ensure effective waterproofing at the penetration point. Vertical pipe alignment and outlet direction are clearly indicated to support drainage planning. All components are drafted to scale with clean section lines, making the drawing suitable for execution level documentation. This AutoCAD DWG file is useful for architects, civil engineers, and builders working on roof detailing, rainwater drainage, and waterproofing systems. The drawing supports construction detailing, coordination with roof finishes, and site installation planning and can be accessed through a Cadbull subscription for professional use in AutoCAD, Revit, 3D Max, and Google SketchUp workflows.