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One component waterborne acrylic thin film intumescent coating independently tested and approved for fire protection of structural steel exposed to cellulosic fire up to 180 minutes. Suitable for properly prepared carbon steel substrates.
Please Note: We strongly recommend Tricomb Plastic Wet Film Gauges are used to help ensure correct film thicknesses are achieved during application
Jotun Steelmaster 1200WF is specially designed as passive fire protection for steel constructions. To be used as part of a complete system for interior environments up to C3.
Approvals and certificates
- BS 476 part 20/21
- ASTM E84
Additional certificates and approvals may be available on request.
Features & Benefits
- Low thickness required
- HAPS free, green product
- Increases productivity
- Ready to use, easy airless spray application
- Quicker project completion
- Low VOC, low environmental impact
- Safe for multiple trades
- Tested to BS 476 (20 and 21)
Ready to use, ease of application
Steelmaster 1200WF is applied using airless spray, roller and brush for touchup only. For the full guidance notes download the Steelmaster 1200WF application guide.
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.
Data sheet
- For Use By
- Professional Use
- Interior / Exterior Use
- Interior & Exterior
- Single, Two or Three Pack
- Single
- Touch Dry
- 6 hours
- Base Type
- Water-Based
- Suitable For Use On
- Steel
- Application Method
- Brush
- Application Method
- Spray
- Product Usage Type
- Basecoat
- Product Range
- Steelmaster
- Colour Family
- White
- Fire Rating
- 30 Minutes
- Fire Rating
- 60 Minutes
- Fire Rating
- 90 Minutes
- Fire Rating
- 120 Minutes
- Site Application
- On-Site
Questions
Question about the product
![]() | Question:
What size airless pump will I need for Jutun1200 intumescent I got a 40-1 pump but it won't pump it thanks Mick at Gamart Eng |
Answer from Rawlins’ Technical Team:
This product can be applied via airless spray with a nozzle tip of 19-23, and pressure at nozzle a minimum of 200 bar/2900 psi. | |
IMPORTANT SHIPPING & DELIVERY INFORMATION
Jotun Steelmaster 1200WF is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.
Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.
Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.
All delivery costs below are excluding VAT

Tricomb Plastic Wet Film Gauges (W2008)
Ensures the quality control of the paint thickness while the coating is still wet. Applying too much coating can be expensive. Wet film measurements are also useful for coatings where the dry film thickness can only be measured destructively. More Information Delivery Info

Surface Preparation Kits for Steel
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