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What Is the Maximum Temperature for Flex Tape?

Flex Tape is made to withstand tough conditions, including high heat. Whether you're using it on outdoor equipment, vehicles, or sun-exposed surfaces, it's important to understand how this super-strong tape performs in elevated temperatures.

Flex Tape Application Temperature Range

Flex Tape is best applied to surface temperatures from 20°F to 120°F. Once fully bonded and cured, it can withstand temperatures from -70°F to 200°F. Flex Tape maintains a strong, waterproof seal under high heat, making it suitable for:

  • Hot rooftops
  • Direct sun exposure
  • Outdoor metal fixtures
  • Automotive and RV surfaces

Important Note: Flex Tape is not rated for extreme heat applications, such as exhaust systems or surfaces that exceed 200°F.

Best Flex Tape Uses in Hot Conditions

  • Outdoor hoses or pipes exposed to the sun
  • Sealing roof joints or flashing
  • Temporary repairs on RVs or trailers
  • Outdoor gear, storage, or tools

Flex Tape holds strong in heat—just aim to keep it under 200°F. It's a tough, waterproof solution for reliable sealing power in high-temp conditions. To learn more about the power of Flex Tape, click here.

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