The coverage window, by treatment
The range is not one product at different prices. Each treatment is a different build, and each carries its own written term. Fortify Elite is the longest: a two-coat application, 20 years non-prorated on a roof scored Good, plus 5 years of hail coverage.
Fortify is the single coat and runs up to 15 years on a roof scored Good, or 12 years on Fair. Revive is the restoration treatment for aging shingles at up to 10 years on its own, or 12 years combined with Fortify. Boost is the bridge: 3 to 5 years, or 10 years combined with Fortify.
- Fortify Elite: 20 yrs + 5-yr hail (Good) / 15 yrs (Fair)
- Fortify: 15 yrs (Good) / 12 yrs (Fair)
- Revive + Fortify: 12 yrs (Aging)
- Revive: 10 yrs (Aging) / 7 yrs (Low, Critical)
- Boost + Fortify: 10 yrs (Low, Critical)
- Boost: 5 yrs (Low, Critical) / 3 yrs (Replace, bridge)
What decides where your roof lands
Condition decides, and it is measured at the assessment rather than assumed from the age of the house. A roof scored Good (90 to 100) sits at the top of the range. Fair (75 to 89) moves down a band. Aging (44 to 74) is a Revive conversation, and Low or Critical (35 to 43 and 21 to 34) is a bridge treatment with a replacement in view.
That is why the same treatment can produce two different terms on two different houses: the coverage follows the roof, not the invoice.
Full coverage every year, or full and then reducing
The length of the term is only half of it. The other half is how the cover behaves across those years, and it differs by build.
The two-coat builds, Fortify Elite and Revive + Fortify and Boost + Fortify, carry full coverage every year of the term. The single applications carry full coverage for the first five years and then reducing cover, or full for the first three years and then reducing for Revive in the lower bands. Boost alone has reducing cover from year one.
That is the honest way to read the numbers. A long term of reducing cover is not the same promise as a long term of full coverage, which is why the top tier is quoted as non-prorated.
What affects the life of the treatment
The roof you start with is the biggest factor: a sound roof holds a treatment better than a worn one, and that is already reflected in the band it scores.
Beyond the starting condition, exposure does the rest. A roof taking full afternoon sun on an unshaded southern slope lives harder than one under shade. Algae and moss put down roots where water sits, so a surface that sheds water is less hospitable. And the cure window matters: 24 to 48 hours of dry weather after the visit is part of getting the result you paid for.
Re-treating later
A treated roof can be treated again as it ages, and the warranty includes a 20% price lock on a future re-treatment. That is the practical answer for a homeowner planning a decade or more out: the window is not the end of the road.
If the roof has moved down a band by then, the conversation is about what fits the condition at that point rather than about repeating the last invoice.
What the assessment confirms
No one can promise a specific term for a roof that has not been scored. The assessment measures the condition, confirms the material and tells you which treatment applies and what coverage comes with it, in writing, before anything is scheduled.
If you want a rough idea first, the warranty finder on this site estimates a band from roof age and what you can see. It says clearly that the measured score decides, and it should be read that way.