Fire protection for structural steel
Choose the correct Thermoguard intumescent system for structural steel, cast iron, open steel sections and hollow section steelwork. Steel fire protection must be specified correctly for the steel type, exposure conditions and required fire rating.
Start with the type of steel you need to protect
Structural steel systems normally require an intumescent basecoat and may also require a decorative flame retardant topcoat depending on the environment and specification.
Open Section Steel System
For universal beams, columns, cast iron and general structural steelwork requiring up to 90 minutes fire protection.
Thermocoat WI
£80.00 – £335.00Interior intumescent fire protection for structural steel and cast iron.
- For internal steelwork
- Up to 90 minutes fire resistance
- Use where project specification requires WI
Thermocoat S
£85.00 – £350.00Premium intumescent fire protection for structural steel and cast iron, including suitable exposed steel specifications.
- For structural steel and cast iron
- Up to 90 minutes fire protection
- Suitable where Thermocoat S is specified
Flame Retardant Topcoat
£70.00 – £100.00Decorative flame retardant finish used to complete suitable Thermoguard steel fire protection systems.
- Gloss and eggshell finishes
- Available in 4,000+ colours
- Used where a protective decorative finish is required
Hollow Section Steel System
For CHS, SHS and RHS steelwork where the steel profile requires a hollow section intumescent specification.
Thermocoat WO
£80.00 – £335.00Water-based intumescent fire protection designed specifically for hollow section steelwork.
- For CHS, SHS and RHS steel
- Up to 90 minutes fire resistance
- Ideal for visible architectural steelwork
Flame Retardant Topcoat
£70.00 – £100.00Decorative topcoat used to complete suitable Thermocoat steel fire protection systems.
- Finishes exposed steel neatly
- Gloss and eggshell options
- Available in 4,000+ colours
Not sure which steel system you need?
Structural steel fire protection depends on the steel section, section factor, exposure conditions and required fire rating. Ask Thermoguard before ordering if you are unsure.