Roof layout, design, and editing in Revit - Adding an extruded roof

Tutorial resources

These downloadable resources will be used to complete this tutorial:

RF-Arch_Extrude-Roofs_RVT2021_002.rvt

Step-by-step guide

Convert a sketch profile to a roof element. Apply the Join/Unjoin Roof tool to project a roof to the wall boundaries. Attach walls to the underside of a roof element.

Open the project RF-Arch_Extrude Roofs_ RVT20201.rvt. In the Section 1 view, a roof created across a corridor between a main building and a garage needs some work.

In the Revit interface, the Section 1 view of the example project, with a previously created roof.

Open the 3D view and select the roof.
In the Modify | Roofs tab > Geometry panel, click Join/Unjoin Roof.

In the 3D view, the untrimmed roof selected, and in the Modify | Roofs tab, Geometry panel, Join/Unjoin Roof selected and highlighted in red.

To connect the roof to the garage, select the left end of the roof and the garage wall.

In the 3D view, the left end of the roof highlighted in red, and the garage wall selected and highlighted.

Press and hold SHIFT and the mouse wheel while dragging to orbit around the 3D model and repeat the process.
Select the roof, and click Join/Unjoin Roof again.
Select the right end of the roof and the wall of the main building.

In the 3D view, the right end of the roof highlighted in red, and the wall of the main building selected.

The roof is successfully trimmed.

The roof over the corridor selected to show successful trimming to the garage and main building.

Zoom in and select the two corridor walls.
In the Modify | Walls tab > Modify Wall panel, click Attach Top/Base.

In the 3D view, the corridor walls selected and highlighted, and in the Modify | Walls tab, Modify Wall panel, Attach Top/Base selected and highlighted in red.

Select the roof element. The walls are attached to the bottom of the roof.

The pointer selecting the roof element, and the walls now attached to the bottom of the roof.

Open the Section 1 view to verify the roof placement.

The Section 1 view verifies the roof placement.

Save the project.

Adding an extruded roof

Step-by-step guide

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