Permatex Ultra Black RTV Silicone Gasket Maker

Permatex automotive solutions are engineered to help ensure reliable, long‑lasting repairs by sealing leaks, preventing loosening caused by vibration, reducing wear and protecting critical components.

Backed by extensive testing, technical documentation and training resources, Permatex helps users complete repairs correctly the first time, improving performance, durability and confidence across automotive and mechanical repair tasks.

Permatex products are used by professional automotive technicians, mechanics and trades, as well as experienced DIY car enthusiasts who demand reliable repair solutions.

Designed for both everyday vehicle maintenance and complex repairs, Permatex solutions are widely used across automotive, motorcycle, marine and heavy‑duty applications, making them a trusted choice in workshops, garages and racing environments worldwide.

Permatex is a globally trusted brand known for high‑performance automotive repair and maintenance solutions. With over 100 years of innovation, Permatex has earned a strong reputation for products that professionals rely on to seal, secure and protect critical vehicle components.

The Permatex range includes industry‑leading gasket makers, sealants, threadlockers, adhesives and specialty maintenance products designed to perform in demanding workshop or on‑road conditions.