ONE WARRANTY step by step guide for contractors
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1. Register to participate on the SIG Roofing website
- Verify the claim
- Visit the property and assess claim
- Process the claim
- Issue the new product for valid claims
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Visit the Contractor Registration page and complete the simple form to become a registered ONE WARRANTY contractor.
2. Receive your membership number and welcome pack
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We will send you a welcome pack which will include your ONE WARRANTY Membership Card, FAQ’s, Sample Certificate (including T&Cs) and marketing material for you to give to your customers. You’ll also receive your membership number which will be written on you ONE WARRANTY membership card.
If at any time your free supply of Property Owner leaflets runs out you can order some more by simply calling the ONE WARRANTY hotline on 01480 466777.
3. Purchase and install the relevant products from SIG Roofing
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Through your local SIG Roofing branch, purchase the relevant materials required for the job, making sure you select qualifying products and complete the project.
4. Apply for ONE WARRANTY for the completed job on the SIG Roofing website
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Once you’ve finalised and are happy with the project, access the Warranty Application page to apply for the warranty. SIG Roofing will then verify your purchases and process your application.
5. Receive ONE WARRANTY certificate
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Once the application has been processed, we will send you the ONE WARRANTY certificate. Your customer will also receive this for their records.
If the unexpected does happen, and a claim is required, the process is very simple; all you need to is call our dedicated team and we will:
ONE WARRANTY step by step guide for property owners
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1. Select a ONE WARRANTY registered roofing contractor
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When you come to select a contractor, check that they are registered with ONE WARRANTY – so that you can take advantage of the 15 year warranty on all the key elements of your roof.
2. Check that the products being offered are included in ONE WARRANTY
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Once you’ve been quoted for the job, ensure all the products the contractor is using qualify for ONE WARRANTY . Full details of the qualifying products can be found here.
3. After completion of your roof, your contractor will apply for your ONE WARRANTY
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Once the job is complete and everyone is happy, the contractor will apply for ONE WARRANTY online on your behalf.
4. Both you and your contractor will receive a ONE WARRANTY certificate
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Once and the application is verified, SIG Roofing will send a copy of the ONE WARRANTY certificate to the property owner and the contractor.
5. Keep your certificate in a safe place
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In the unexpected event of a potential claim you’ll need the certificate – so be sure to keep it in a safe place. Just call your contractor and they will take it from there for you.
ONE WARRANTY allows you to have confidence that your investment is protected with a warranty that is easy to understand and even easier to use.


