PPG – Steelguard 581 – Fire Protection For Steel Surfaces

Steelguard 581 is a one-component, thin-film, waterborne intumescent coating for fire protection of structural steel and contrete.

Product Characteristics:

• Provides up to 90 minutes fire protection from cellulosic fires.
• 60 minutes SCI assessment of beams with circular web openings.
• Provides up to 150 minutes protection from cellulosic fires for concrete beams and columns.
• Provides up to 360 minutes protection from cellulosic fires for concrete ceilings and walls
• On-site application
• Up to 700µm (28.0 mils) DFT in a single coat.
• Suitable for C1 and C2 internal environments (ISO 12944); for dry internal (C1) environments no topcoat is required.
• Tested and assessed to BS 476-20/21 and prEN 13381-3:2012.

Recommended Substrate Conditions and Temperatures:

• Approved primer, dry, sound and free from contamination.
• Substrate temperature should be at least 3° above dew point during application and drying.
• Should not be applied under 5°C and above 40°C.
• Relative humidity during application must be lower than 80%.

Instructions for use:

• Stir thoroughly till homogeneous and free of lumps
• too much solvent results in reduced sag resistance
• must be protected from freezing at all times during storage and/or transport.

Safety Precautions:

For paint and recommended thinners see safety sheets 1430, 1431 and relevant material safety data sheets. Although this is a water borne paint, care should be taken to avoid inhalation of pray mist or vapour as well as contact between the wet paint and exposed skin or eyes.

Brush: For small areas only (touch up and repair). No thinner should be added.

– suitable for C1 and C2 internal environments (ISO 12944); for dry internal (C1) environments no topcoat is required
suitable for C1 and C2 internal environments (ISO 12944); for dry internal (C1) environments no
–tested to BS 476 and certified with the national requirements

For more information contact us here.