Frequently Asked Questions

Can Onduline sheets be installed on existing roofs?

Yes. Onduline roofing sheets can be installed over an existing roof using the Onduline Double Roofing system, without completely removing the existing roofing material.

This method can help reduce demolition work, waste, and disruption during roof renovation. However, the existing roof and supporting structure must be suitable for the system, and the correct installation method and Onduline guidelines must be followed.

Find out more about Onduline Double Roofing.

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