Irontite All Weather Seal, Blue, 16 oz

Permanent Leak Sealant for Cooling Systems: Irontite All Weather Seal creates a permanent seal in head gaskets, radiators, heater cores, and other parts of the cooling system, effectively preventing leaks.

Works with All Types of Antifreeze: This versatile formula is compatible with traditional antifreeze, waterless antifreeze, and various proprietary coolant types, ensuring a perfect fit for any vehicle.

No Sludge or Clogging: Unlike many other stop-leak products, All Weather Seal won’t cause sludge buildup or clog heater cores, maintaining the performance of your vehicle’s cooling system.

Easy to Use & Compatible with Multiple Materials: This formula is safe for use with aluminum, cast iron, steel, and plastic components, making it a reliable solution for various vehicle types and cooling systems.

Activates with Heat & Air: Once added, All Weather Seal activates when the cooling system reaches operating temperature, efficiently sealing leaks without interrupting the flow of coolant.

Ideal for Preventative Maintenance: Perfect for everyday vehicles, commercial trucks, and heavy-duty machinery, this product is a great preventative measure to keep cooling systems leak-free and running smoothly.