Warranty Application

Please complete the below form to register a completed roof and apply for the ONE WARRANTY. Once your application has been received and processed, we will send you your ONE WARRANTY certificate.

All fields marked with * are mandatory.

Full Contact Name*

Email Address*

Phone number*

Company Name

Registered Company Address*

Postcode of Registered Company Address*

Company Registration Number

SIG Roofing Account Number (if known)

ONE Warranty Membership Number*

Roof Address*

Roof Postcode*

What is the M² of the roof?*

Property Owner Name*

Roof Completion Date* (DD/MM/YYYY)


Proof of Purchase

Please list below the relevant invoice number as shown on your SIG Roofing invoice, multiple invoices should be separated by a comma. Your invoice number will be twelve digits long and this should be entered exactly shown on your invoice, for example 332260000087, 332260000089.*

If required, please view ONE Warranty at a Glance by clicking here for a full product checklist.

  Please tick here to confirm that you agree to the terms and conditions of ONE WARRANTY. To view T&C's, click here.