Warranty Application Flat

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)


Please tell us about the roof
Please select new or refurb*:

Please select a roof material*:
Please select a roof type*:
Please choose from the following:
Was the OBS already on site:
Does the roof have an upstand, or other angle change, a box gutter or Is the roof over 100m2?:
Is it a winter time job? (where temperatures are below 4 degrees Celsius during installation and 48 hrs following):

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.