Roof Drainage Calculator
Expert Guide to Roof Drainage Calculation Spreadsheet
Introduction & Importance
Roof drainage calculation spreadsheet is crucial for designing effective roof drainage systems…
How to Use This Calculator
- Enter the length, width, and pitch of your roof.
- Enter the expected rainfall intensity.
- Click ‘Calculate’.
Formula & Methodology
The calculation uses the following formula to determine the required drainage area…
Real-World Examples
Example 1
Roof dimensions: 10m x 8m, Pitch: 30°, Rainfall: 50mm/h…
Data & Statistics
| Roof Size (m²) | Rainfall (mm/h) | Required Drainage Area (m²) |
|---|---|---|
| 50 | 50 | 25 |
| 100 | 75 | 50 |
Expert Tips
- Always round up the required drainage area to the nearest whole number.
- Consider using multiple drains for larger roofs.
Interactive FAQ
What is the ideal pitch for roof drainage?
Ideally, the pitch should be between 30° and 60°.