Sherwin Williams Firetex FX5120 WB Intumescent, White, 20 Litres

Non Hazardous
A water based CEP free thin film intumescent coating to provide fire resistance up to 120 minutes on structural steel.
Available in 20 Litres in White
From £327.06 £272.55
In stock
Only %1 left
Product Description

Sherwin Williams Firetex FX5120 is a water based CEP free thin film intumescent coating to provide fire resistance up to 120 minutes on structural steel.

Best Uses

FIRETEX FX5120 is designed for application by airless spray, to provide fi re resistance for periods of up to 120 minutes on structural steel. FX5120 can also be used to enhance the fire resistance of concrete slabs and decks up to 60minutes. For use in internal dry controlled environments without topcoat (C1 according to ISO12944-2:1998) and external urban or uncontrolled internal environments (C3 according to ISO12944-2:1998) with topcoat


Recommended application via airless spray or brush. Must not be applied directly to galvanized steel, zinc rich primers or concrete. If it can be guaranteed that application and subsequent in-service conditions will be in a C1 environment as defined in ISO 12944-2:1998, then no topcoat is required. For any other situation a topcoat must be applied, consult Sherwin-Williams for advice.

Sher-Cryl M770, FIRETEX M71V2, Acrolon C137V2 or Acrolon C237 products should be used for subsequent re-decoration. FIRETEX FX5120 must be applied in a dry environment. It must not be exposed to condensation, damp or wet conditions during or after application.

IMPORTANT INTUMESCENT PRODUCT NOTE: Always contact Promain’s technical team prior to purchase to obtain a tailored project specification and the advice necessary. The information displayed on this website should only be used as a guide. Promain UK Limited will not be held liable for any resulting damage to property, human life or monetary costs incurred due to incorrect specification, preparation, application or maintenance that has occurred due to negligence by either the purchaser or applicator. This includes your failure to have contacted us to obtain the relevant advice/specification.

Technical Details


  • Tested to BS476 Part 20/21
  • Certifire Approved – Certificate CF5012
  • This product has been assessed in accordance with the Criteria of Acceptability given in the ASFP/BCF Industry Guidance document
  • This product has been tested and assessed in accordance with the ASFP fire testing protocol for cellular beam protection. See Section 6.3 from ASFP Yellow Book 4th Edition
  • Tested and assessed to EN 13381-8
  • Tested and assessed to EN 13381-3
  • Tested to EN 13823 and EN 11925-2
  • European Technical Approval ETA 13/0113
  • CE Mark number 1121-CPD-GA5016

Technical Info

Components: Single Pack
Type: Water Based Intumescent
Finish: -
Stock Colours: White
Tintable: No
VOC Content: 3.35 gms/litre
Volume Solids: 69 ± 3%
Suitable Substrates: Structural Steel
Application Method: Brush, Airless Spray
Theoretical Coverage: See separate sheet of FX5120 loading requirements
Wet Film Thickness (WFT): Spray: 1450 microns, Brush: 441 microns
Dry Film Thickness (DFT): Spray: 1000 microns, Brush 300 microns
Induction Time: -
Pot Life: -
Touch Dry: 5 hours at 15°C
Overcoatable: 24 hours at 15°C
Fully Cured: -
Cleaner / Thinner: Water - Thinning will have an adverse effect on sag tolerance.
Shelf Life: 10 months from date of production unopened
Packaging: Available in 20 Litres

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