*PPG Steelguard 553

This product is now discontinued.
Out of stock
Product Description

This product has now been discontinued. Please contact our technical team for a suitable alternative.

PPG Steelguard 553 is a one component, thin-film, solvent borne, intumescent coating designed for providing fire protection to structural steelwork in an industrial environment.

Best Uses

PPG Steelguard 553 has been tested to national and international standards and can be used in dry, internal environments without the use of a protective topcoat. Steelguard 553 is an excellent fire resistant product that provides up to 90 minutes of protection from cellulosic fires and provides surface with 12 months of weather resistance, when a topcoat is not used, providing the structure is not immersed in water or exposed to high humidity.


PPG Steelguard 553 can be applied using airless spray for optimum performance and a brush should only be used for touch ups and small tricky areas. Steelguard 553 should not be applied below 5 degrees or above 50 degrees Celsius, otherwise it may not adhere to the surface properly. With quick drying time 553 is dry in just 30 minutes and can be recoated after 6 hours in conditions of around 20 degrees Celsius.

Surface and Environment

PPG Steelguard 553 can be used of on-site or off-site application and when dry produces a high quality, white matt, protective coating that can be used internally or externally to ensure that structural steel has the utmost protection from the risk of fire.

Technical Details
  • Available in White
  • One component thin-film solvent borne intumescent coating for fire protection of structural steelwork
  • Provides 90 minutes protection from cellulosic fires
  • Off-site or on-site application
  • Up to 1500 microns dft in a single coat
  • Suitable for C1 to C4 internal and external environments (ISO 12944); for dry internal (C1) environments no topcoat is required
  • Weather resistant up to 12 months without topcoat provided the coating has been applied in accordance with Information Sheet 1222 and is not subject to running or pooling water, hot high humidity or immersion
  • Tested to BS 476 and certifi ed with the national requirements
  • Theoretical spreading rate 1.07 m2/l for 700 microns
  • Touch dry after 30 minutes.
  • Overcoating interval min. 6 hours with itself, min. 48 hours with suitable topcoat, max. unlimited
  • Available in 20 Litres.

The manufacturers data sheets are available for download from this website. It is your responsibility to read and understand all aspects of the data sheets before you place an order and prior to application. Please pay special attention to the preparation, mixing and application temperatures of the product, cleaning of substrate and environmental factors such as temperature, rain etc. Quoted coverage rates are based on the manufacturers theoretical rates and may vary depending upon substrates absorption, texture and application. We always recommend a test is carried out to ensure suitability.

Customer further agrees that Promain have no liability for any errors or omissions contained within the Product Data Sheets and are not liable for failure due to misapplication or inadequate substrate cleaning and preparation. For more information please refer to our Terms & Conditions.