About Roofing Siding Windows Gutters Partners Contact FREE ESTIMATE Louisville (502) 212-1081 Home > Gutters > Leaf Sentry LEAF SENTRY Leaf Sentry gives you peace of mind. The Leaf Sentry guarantee gives you our Lifetime Freeflow Warranty, Materials Warranty, and our Paint Finish Warranty. Leaf Sentry blocks leaves, sticks and branches, balls and any other debris or objects. Our system offers numerous benefits The Leaf Sentry Guarantee Do you need help with a roofing issue or a roofing replacement project? Looking for a reputable, professional source for home improvement work?