Frequently Asked Questions

The embossed lines are designed to make installation easier and help ensure the correct sheet overlap.

They serve two main purposes:

• Optimise sheet coverage: The embossed lines indicate the correct overlap position, helping maintain a secure seal while optimising the effective coverage of each sheet.
• Guide installation: They provide a clear reference for aligning the roofing sheets, reducing the need for manual measurements during installation.

Always follow the installation guidelines for the specific Onduline product to ensure the correct overlap and roofing performance.