Instant Roof Pro Sketchup Plugin ◉ «Secure»

The UI panel allows you to set the roof pitch in several formats: Rise/Inch, Ratio (e.g., 6:12), or Degrees. You can also set the fascia overhang (e.g., 12 inches or 300mm). The plugin dynamically snaps the roof geometry to extend past the wall line based on this input.

| Feature | Instant Roof Pro | SketchUp Native | Other Plugins (e.g., Medeek) | | :--- | :--- | :--- | :--- | | Ease of use | One-click generation | Manual plane-by-plane | Wizard-driven (more steps) | | Dormers | Included, drag-and-drop | Not possible natively | Often separate plugin | | Parametric edits | Yes, post-generation | No | Varies; some require redoing | | Structural framing | No (focuses on finish roof) | No | Yes (Medeek adds rafters) | | Learning curve | 5 minutes | Days of practice | 1-2 hours |

Note: For users needing full rafter/truss engineering, Medeek Roof is more advanced. Instant Roof Pro excels at speed and architectural visualization. Instant Roof Pro Sketchup Plugin

Let’s simulate a real-world application. You have drawn a two-story house with a complex garage bump-out.

Phase 1: Preparation Ensure your walls are a single group or component. Clean up extraneous lines. The plugin reads topology; stray lines will confuse the edge-detection algorithm. Use the CleanUp plugin first if necessary.

Phase 2: Selecting the Pitch Open the Instant Roof Pro dialog. Set pitch to 8:12 (moderate steepness). Set overhang to 18 inches. Choose "Asphalt Shingles" from the texture library.

Phase 3: Generation Select the top edges of your wall group. Click the "Create Roof" button. Watch the magic happen: The plugin calculates the primary roof over the main rectangle, then automatically calculates the second roof over the garage, intersecting them into a clean valley.

Phase 4: Gable Conversion Select the side edge of the garage. In the tool panel, hit "Toggle Gable." The plugin automatically removes the hip and raises the wall to form a vertical gable triangle. Multi-Plane and Complex Geometry Support

Phase 5: Final Detailing Use the "Add Fascia" tool. The plugin generates a 2x6 board running along the entire perimeter of the roof edge, perfectly mitered at the corners.

For the professional architect or interior designer, Instant Roof Pro functions as a time-compression tool. In a typical residential project, modeling a complex roof manually might take 45 to 90 minutes, including cleanup. With Instant Roof Pro, the same task takes approximately 2 minutes. This allows the designer to iterate rapidly—testing a 4:12 pitch versus a 6:12 pitch to see how it affects the building's massing and shadow patterns.

Furthermore, the plugin aids in "clash detection." By generating the roof early, the designer can check if a second-floor window (dormer) will intersect the main roof plane or if the roof overhang blocks a lower terrace view. Because the plugin is non-destructive, the architect can present three different roof configurations to a client in a single meeting without redrawing.

If you are adding a sunroom or a second story to an existing building, you need to match the existing roof pitch exactly. You can use the plugin to sample the pitch of the existing model, then generate the new addition roof at the exact same angle.

Getting started with the Instant Roof Pro SketchUp Plugin is straightforward, but there are ecosystem nuances to know. Openings and Penetrations

Step 1: Purchase or download a trial from the official SketchUcation store or Extension Warehouse. Step 2: In SketchUp, navigate to Extensions > Extension Manager. Step 3: Click "Install Extension" and locate the .RBZ file (the standard SketchUp extension format). Step 4: Restart SketchUp. You will find the Instant Roof toolbar (usually a small house icon with a roof).

Pro Tip: If you are using SketchUp 2020 or earlier, ensure you have the latest LibFredo6 installed, as many advanced roofing scripts rely on Fredo6’s language libraries for geometry processing.