Permatex

Permatex Gasket Makers, Sealants & Thread Lockers

Permatex has been the professional's choice for chemical fastening, sealing, and repair solutions for over 100 years. From the original Permatex gasket maker developed in the early 1900s to today's full line of silicone sealants, thread lockers, epoxies, anti-seize compounds, and specialty adhesives, Permatex products are found in every professional repair shop and serious DIY garage in the country.

Whether you're sealing an oil pan gasket, thread-locking a critical fastener, stopping a coolant leak, or bonding a broken bracket, Permatex has a product engineered for that specific application. Their color-coded product system makes it easy to choose the right strength and formulation for every job.

Popular Permatex Product Categories

  • RTV Silicone Sealants — gasket maker formulas for high-temp applications (exhaust, engines), sensor-safe formulas, and OEM-specified types; available in black, red, and grey
  • Thread Lockers — Blue (medium strength, removable) and Red (permanent, high-strength) for preventing fastener loosening from vibration
  • Anti-Seize Compounds — prevents galling and corrosion on spark plug threads, exhaust studs, and wheel bolts; critical for aluminum heads
  • Gasket Eliminator — flange sealants for rigid metal-to-metal joints where traditional gaskets aren't used
  • Epoxy & Adhesives — structural bonding and repair for plastics, metals, and composites

Browse our full range of automotive chemicals including cleaners, degreasers, and fluid treatments. Complement your chemical toolkit with Lucas Oil additives for engine, transmission, and power steering treatments.

Permatex