Please note that this product CANNOT be used without first recieving an application schedule from our Technical Department. Please download and complete the 'Thermoguard Steel Enquiry Form' and return by email to [email protected]

If you have any questions regarding this process consult our technical department on 0113 2455450 (option 2).

Thermoguard Thermocoat S is an intumescent, solvent based paint system providing fire resistance to structural steel and cast iron of up to 90 mins with a minimum number of coats. A compatible decorative overcoat system ensures the system will enhance the building’s architectural and design features. Recommended for external exposed steel not subject to pooling water. For interior Universal Beams, Columns and other open section steel see Thermoguard Thermocoat WI Ultimate. For interior steel hollow sections, see Thermoguard Thermocoat WO Ultimate

Thermoguard Thermocoat S works as the heat of a fire triggers a catalytic reaction, causing the expansion of an insulating char layer up to 50 times the paint thickness. This layer keeps the steel below its critical temperature, thus maintaining the structural integrity of the building.

Features & Benefits

• For protection to exterior environment steels
  • For interior Universal Beams, Columns and other open section steel see Thermoguard Thermocoat WI Ultimate
  • For interior steel hollow sections, see Thermoguard Thermocoat WO Ultimate
• Intumescent paint, solvent based system
• Use under a compatible decorative overcoat
• Insulates structural steel and cast iron for up to 90 minutes fire resistance
• Apply in accordance with film thickness schedule to achieve 30, 60, 90 min
• Refer below for application instructions
• Applied by brush, roller or airless spray
• Spray application recommended for best finish in shortest time
• UKAS/ EGOLF Fire Test Laboratory Certification to BS 476 Part 21
• Fire Resistance to load bearing elements of structures
• Contact our technical team for detailed advice and for certification
• Dries for handling after 24 hours
• Refer below for more detailed drying times

Product Details

Composition

• Intumescent compounds and resin binders, with high opacity pigments.

VOC

• EU limit for this product (cat A/i) is 500 g/l. This product contains 398 g/lv

Fire Testing

Product performance assessment is based upon UKAS/ EGOLF Fire Test Laboratory Certification to BS 476 Part 21 - Fire Resistance to load bearing elements of structures. Please consult our Technical Team on 0113 2455450 for detailed specification advice.

Fire Certification

After use, a Certificate of Supply can be issued upon request for each specified project for insurance, Fire and Building Control Authority and Client Records. Click HERE to apply.

Surface Preparation

Steel and Cast Iron

• Steel and cast iron should be free from rust and millscale and primed with Thermoguard Steel Fire Paint Primer to 75 microns DFT (or alternative good quality anti-corrosive primer compatible with intumescent paints) in accordance with manufacturers instructions.
• Treat galvanised surfaces with Teamac Mordant Solution (T Wash) first before priming with Thermoguard Steel Fire Paint Primer.
• Thermoguard Steel Fire Paint Primer may be left without further overcoating or decorated with appropriate conventional paint where no fire resistance is required depending on level of exposure/environment.

To Specify

Dry Internal:

• Apply Thermocoat S in accordance with film thickness schedule supplied by Technical Department to acheive 30, 60 or 90 minute protection.

Visible external exposed during construction or occasional modest damp internal areas:

• Also apply 1 good coat Thermoguard Flame Retardant Topcoat (available in Gloss or Eggshell finishes).

Not suitable for:

• Areas subject to “pooling” water

Wet or External Under Cover:

• Apply 2nd coat Thermoguard Flame Retardant Topcoat (available in Gloss or Eggshell finishes).

Full External Exposure -

• Contact Technical Team on 0113 2455450

Application

Thermocoat S may be applied by brush, roller or airless spray. To achieve the best finish in the shortest time, spray application is recommended.

Prior to application the contractor should contact Thermoguard’s Technical Department and obtain a basecoat application schedule. To assist correct application in accordance with this schedule, a wet film gauge will be supplied with the order. Further wet film gauges will be provided on request.

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

Application Conditions

• 4 Maximum Relative Humidity 80%
• 4 Minimum ambient temperature 4°C
• 4 Minimum Steel Temperature 3°C above Dew Point

Spray Equipment

Airless Spray Pump

Use equipment recommended by manufacturer for the application of high viscosity intumescent paints.

• Filter size 30 mesh. 10mm hose 3/8” diameter with no whip end

Tip Size

• Tip Size: 321, 323, 421, 423

Care should be taken to clean filters regularly. Cleaning should be undertaken with xylene / cellulose thinners.

Drying Times

Brush/roller application

• Surface touch dry: minimum 2 hours, handle min 24hrs
• Recoat: minimum 6 hours
• Overcoating with Thermoguard Flame Retardant Topcoat: minimum 24 hours

Spray application

• Surface touch dry: minimum 4 hours, handle min 24 hrs
• Recoat: minimum 12 hours
• Overcoating with Thermoguard Flame Retardant Topcoat: minimum 48 hours

Steel Terminology

Fire Exposure

Steel Types

• CHS: Circular Hollow Section
• SHS: Square Hollow Section
• RHS: Rectangular Hollow Section

IMPORTANT FIRE PRODUCTS NOTICE: The information displayed on this website should be used as a guide ONLY and our Technical Department should be contacted to obtain a tailored specification and any advice necessary before you place an order for fire protection products. Fire protection products are non-returnable except in accordance with Condition 8 of the Terms and Conditions and should be applied only by an individual with the necessary expertise and experience. We will not be held liable for any resulting damage to property, human life or monetary costs incurred due to the incorrect specification you have prepared or use of fire protection products caused by your negligence, including your failure to have contacted us to obtain the relevant advice/specification.