Kool Seal
Kool Seal KS0064900-20 Tundra Silicone Rubberized Roof Coating White 5 Gallon
Over a Century of Roof Protection Innovation
Kool Seal has been a defining name in the reflective roof coating industry since its founding in 1906. Headquartered in Cleveland, Ohio, the brand has spent more than a century engineering coating solutions designed to protect building surfaces, extend roof life, and reduce energy consumption. Today, Kool Seal operates as part of the Sherwin-Williams family of brands, giving it the manufacturing reach and research resources of one of the world's largest coatings companies — while maintaining the specialized expertise that made it an industry icon.
What Makes Kool Seal Products Different
At the core of Kool Seal's reputation is a commitment to reflective technology. Their coatings are engineered to reflect solar radiation away from rooftops, which in turn lowers interior building temperatures and reduces the load on cooling systems. This isn't just a comfort feature — it's a measurable energy efficiency benefit, which is why Kool Seal holds Energy Star partner status. Products bearing this designation meet strict government guidelines for energy performance, giving homeowners and contractors confidence in the real-world savings these coatings deliver.
A Comprehensive Line of Roof Coating Solutions
Kool Seal's product lineup covers a wide range of roofing substrates and project types. Their core offerings include:
- Elastomeric Acrylic Coatings — 100% acrylic formulas that expand and contract with the roof through seasonal temperature swings, bridging minor cracks and forming a durable, flexible membrane. Available with warranty coverage from 5 to 12+ years depending on the product tier.
- Aluminum Roof Coatings — Fibered, premium-grade aluminum coatings that form a tough reflective surface, ideal for metal and built-up roofing. Their highly reflective finish is designed to keep interior spaces cooler during peak summer months.
- Silicone Roof Coatings — The Tundra™ silicone line is engineered for superior waterproofing and long-term resistance to ponding water, making it well-suited to flat and low-slope roofs where water can accumulate.
- Roof Sealants & Repair Products — Targeted solutions like Freedom Flash™ flashing and seam sealers and Storm Patch® acrylic repair products allow for precision repairs around flashings, skylights, vents, chimneys, and seams before or alongside a full coating application.
Choosing the Right Kool Seal Product
Selecting the correct Kool Seal coating depends on a few key factors: the type of roof substrate (metal, asphalt, EPDM, TPO, polyurethane foam, concrete, etc.), the local climate, and the scope of the project. Flat and low-slope roofs exposed to standing water benefit most from silicone-based options, while asphalt and metal surfaces in high-sun climates are ideal candidates for elastomeric acrylic or aluminum coatings. For smaller repairs, targeted sealants and patch kits provide a cost-effective first line of defense. Kool Seal products are widely available through professional and retail channels nationwide, making them accessible for both DIY homeowners and professional roofing contractors alike.
A Trusted Brand with Proven Results
With more than 100 years of operation and a portfolio that spans acrylic, aluminum, and silicone technologies, Kool Seal remains one of the most recognized names in the roof restoration coatings market. Their Energy Star partnership underscores a long-standing commitment not just to product durability, but to sustainability and real-world energy savings. Whether restoring an aging flat roof or protecting a metal commercial structure, Kool Seal products are built to perform through decades of weather, UV exposure, and temperature extremes.