Henry Roof Saver Clear Shingle Coating - Extend Life of Roof?

Does it work ? Will it extend the life of asphalt shingles? DIY application of Henry Roof Saver Clear Shingle Coating on a Tab Shingle Roof that is 20 years old using a roll on method. Roof currently has no leaks but it starting to lose a lot of the granules on the asphalt shingles. Amazon Link for Henry product https://amzn.to/3uzFq1S This video contains affiliate links. If you click on one of them, I'll receive a commission For Collaborations and/or Business Inquiries Email: [email protected]