When the weather hits hard, Ames has the products that keep your roof protected. From basecoats to top coats, our roof waterproofing systems deliver strength, flexibility, and long-term performance. Elasto-Barrier: A basecoat layer for superior adhesion and reinforcement. Builds a strong base that locks into the surface. Expands and contracts 1200% to resist cracking & peeling. Blue Max Original Blue: An elastomeric liquid rubber powerhouse that seals out water on even the most stubborn problem