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Thermoguard – Thermocoat S

Thermoguard Thermocoat S is a premium intumescent paint system engineered to provide up to 90 minutes of fire resistance for structural steel and cast iron. Its advanced technology forms an insulating char layer during fires, maintaining structural integrity. With versatile application methods, comprehensive support, and rigorous certification, Thermocoat S ensures reliable fire protection for diverse building needs.

£73.00 Excl. VAT

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Thermoguard - Thermocoat S
£73.00 Excl. VAT
Thermoguard Thermocoat S: Premium Fire Protection for Structural Steel

Thermoguard Thermocoat S is an advanced intumescent, solvent-based paint system designed to provide up to 90 minutes of fire resistance for structural steel and cast iron. This system not only ensures the structural integrity of your building in the event of a fire but also enhances its architectural features with a compatible decorative overcoat.

Key Features & Benefits

Versatile Protection:

  • Exterior Steel Protection: Designed specifically for external exposed steel that is not subject to pooling water.
  • Interior Steel Protection: For interior Universal Beams, Columns, and other open section steel, use Thermocoat WI Ultimate. For interior steel hollow sections, use Thermocoat WO Ultimate.

Advanced Intumescent Technology:

  • Fire Resistance: Provides up to 90 minutes of fire resistance by forming an insulating char layer up to 50 times the paint thickness when exposed to high temperatures.
  • Structural Integrity: Maintains the steel below its critical temperature during a fire, ensuring the building’s structural integrity.

Application Flexibility:

  • Multiple Methods: Can be applied using brush, roller, or airless spray, with spray application recommended for achieving the best finish in the shortest time.
  • Certified Performance: Meets UKAS/EGOLF Fire Test Laboratory Certification to BS 476 Part 21 standards, ensuring reliable fire resistance for load-bearing elements.

Comprehensive Support:

  • Technical Assistance: Contact our technical team at 0113 2455450 for detailed advice, application guidance, and certification.
  • Certification: After application, a Certificate of Supply can be issued upon request for insurance, Fire and Building Control Authority, and Client Records.

Application Details

Surface Preparation

Steel and Cast Iron:

  • Ensure the surface is free from rust and millscale.
  • Prime with Thermoguard Steel Fire Paint Primer to 75 microns DFT or an alternative high-quality anti-corrosive primer compatible with intumescent paints.
  • For galvanized surfaces, treat with Teamac Mordant Solution (T Wash) before priming.

Application Process

Basecoat Application:

  • Apply Thermocoat S in accordance with the film thickness schedule provided by Thermoguard’s Technical Department to achieve the desired fire resistance (30, 60, or 90 minutes).
  • Use a wet film gauge (supplied with your order) to ensure correct application thickness.

Coating Thickness:

  • Maximum wet film thickness per brush coat: 600 microns.
  • Maximum wet film thickness per spray coat: 1000 microns.

Drying Times

Brush/Roller Application:

  • Surface touch dry: Minimum 2 hours.
  • Handle: Minimum 24 hours.
  • Recoat: Minimum 6 hours.
  • Overcoating with Thermoguard Flame Retardant Topcoat: Minimum 24 hours.

Spray Application:

  • Surface touch dry: Minimum 4 hours.
  • Handle: Minimum 24 hours.
  • Recoat: Minimum 12 hours.
  • Overcoating with Thermoguard Flame Retardant Topcoat: Minimum 48 hours.

Surface Preparation & Specification

To Specify

Dry Internal Conditions:

  • Apply Thermocoat S in accordance with the film thickness schedule provided by the Technical Department to achieve 30, 60, or 90 minutes of fire resistance.

Visible External Exposed During Construction or Modest Damp Internal Areas:

  • Apply one good coat of Thermoguard Flame Retardant Topcoat (available in Gloss or Eggshell finishes).

Not Suitable For:

  • Areas subject to pooling water.

Wet or External Under Cover:

  • Apply a second coat of Thermoguard Flame Retardant Topcoat (available in Gloss or Eggshell finishes).

Full External Exposure:

  • Contact the Technical Team at 0113 2455450 for detailed guidance.

Application Conditions

  • Maximum Relative Humidity: 80%.
  • Minimum Ambient Temperature: 4°C.
  • Minimum Steel Temperature: 3°C above Dew Point.

Spray Equipment Recommendations

Airless Spray Pump:

  • Use equipment recommended by the manufacturer for high-viscosity intumescent paints.
  • Filter size: 30 mesh.
  • Hose: 10mm, 3/8” diameter with no whip end.

Tip Sizes:

  • Tip sizes: 321, 323, 421, 423.
  • Regularly clean filters to ensure consistent application. Use xylene/cellulose thinners for cleaning.

Product Composition

  • Intumescent Compounds and Resin Binders: Provides the expansion and insulating properties.
  • High Opacity Pigments: Ensures a uniform and visually appealing finish.

VOC Content

  • EU Limit for this Product (cat A/i): 500 g/l.
  • Actual VOC Content: 398 g/l.

Fire Testing and Certification

Performance Assessment:

  • Based on UKAS/EGOLF Fire Test Laboratory Certification to BS 476 Part 21 – Fire Resistance to load-bearing elements of structures.

Certification:

  • After application, a Certificate of Supply can be issued upon request for each specified project for insurance, Fire and Building Control Authority, and Client Records.

Contact Information

For detailed specification advice, application guidance, and certification, please contact our Technical Team at 01142768008

For more detailed information and to purchase Thermoguard Thermocoat S,

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