Roof Rejuvenate helps extend the life of asphalt shingles by restoring the essential oils they lose over time. As shingles age, their natural oils diminish, leading to the loss of granules, which can end up in gutters and expose the shingles to potential cracking and further wear. Our rejuvenating formula deeply penetrates the surface of the shingles, reintroducing these vital oils and bolstering the shingles structural integrity. This process not only helps the shingles retain their granules but also significantly enhances their durability and resilience. Each application of Roof Rejuvenate can add up to five years to your ' effective lifespan.