CalcHow Many Roof Tiles for 20m² at 15% Pitch?
Last updated: 2026-06-23
How Many Roof Tiles for 20m² at 15% Pitch?. Calculate how many roof tiles and battens you need for a 20m² roof plan with a 15% pitch slope. Enter your values in the form and get instant results, including a full materials breakdown and an adjustable wastage allowance.
Inputs
Result
Enter values and press Calculate
Was this helpful?
📄 Save your calculation as PDF
Enter your email and download a PDF report with your results.