Jotun SteelMaster 120SB is a single-component solvent-based intumescent coating that provides up to 120 minutes fire protection of structural steel exposed to cellulosic fire.
SteelMaster economic coating systems are an excellent option for areas of buildings demanding a protective finish with a high focus on aesthetics. Long-lasting fire performance is assured everywhere - even in the most severe conditions. Bring your steel to life. Expressing steel as an architectural feature can be an intrinsic part of modern architecture. The structure can be the hero. Form and function work together in tandem to create architecture that can, quite literally, show its strength - without the need for boxing in or using less aesthetically pleasing cementitious coverings.
Areas of Use
Designed for use in internal and external C1 to C4 environments In the event of a fire the intumescent coating expands to insulate the structural steel from the fire.
Suitable on structual and carbon steel substrates exposed to a wide range of corrosive enivronments.
Substrates: Structural steel and galvanised carbon steel.
Available in White
- BS 476 part 20/21
- Majority of steel sections covered
- Ready to use
- Reduced application time
- Easy spray application
- Reduced site costs
|Application||Airless Spray or Brush|
|Drying Time||Touch dry in 30 mins @ 23°C, dry to recoat 8 hours (minumum)|
|Mix Ratio||Single pack|
Dry film thickness: 200 - 720 μm
Wet film thickness: 280 - 1000 μm
|Cleaning Solvent:||Jotun Thinner No.7|
|Storage||18 months @ 23°C|
To secure lasting adhesion to the subsequent product all surfaces shall be clean, dry and free from any contamination.
|Carbon steel||Clean, dry and undamaged compatible coating (ISO 12944-4 6.1)||Clean, dry and undamaged compatible coating (ISO 12944-4 6.1)|
The product can be applied by:
|Spray||Use Airless Spray|
|Brush||Recommended for stripe coating and small areas, care must be taken to achieve the specified dry film thickness.|
The product must be stored in accordance with national regulations. Keep the containers in a dry, cool, well ventilated space and away from sources of heat and ignition. Containers must be kept tightly closed. Handle with care.