Fire Protection Coatings

Thermorphous S-F Series

A solvent-free, fire-resistant moldable putty that withstands above 1500 °C, conforms to intricate shapes and hardens when cured.

What it is

Matwerkz Thermorphous S-F series is a solvent-free, fire-resistant moldable putty that can withstand heat above 1500 °C. It conforms to intricate shapes and hardens when fully cured, making it suited to sealing penetrations and complex joints where a flat coating or sheet cannot reach.

Key specifications

  • Type: Solvent-free moldable fire putty
  • Temperature: Withstands above 1500 °C
  • Form: Conforms to intricate shapes; hardens on cure
  • Use: Sealing penetrations and complex joints (firestop)

Sealing an irregular penetration?

Tell us the geometry and temperature. We will recommend a putty spec and datasheet.