*Sherwin Williams Firetex FX5000 - Formerly Leighs

Please note, this product is now discontinued. See Sherwin Williams FX5062 as a potential alternative.

Sherwin Williams Firetex FX5000 - Formerly Leighs FX5000 is a single pack, water based, TCEP free film intumescent coating to protect structural steel against fire for up to 60 minutes.

Best Uses

Firetex 5000 is formulated to provide up to 60 minutes fire protection to structural steel. For use in internal dry controlled environments without topcoat (C1 according to ISO 12944-2:1998) and internal semi controlled environments with topcoat (C2 according to ISO 12944-2:1998)

Application

Must not be applied directly to galvanized steel and zinc rich primers. Recommended application method via airless spray or brush. Thin with water but thinning with have an adverse effect on sag tolerance. If 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. FIRETEX FX5000 must be applied in a dry internal environment. It must not be exposed to condensation, damp or wet conditions during or after application. In conditions of high relative humidity good ventilation conditions are essential. Substrate temperature shall be at least 3°C above the dew point and always above 0°C. At application temperatures below 10°C, drying and curing times will be significantly extended, and spraying characteristics may be impaired. A minimum ambient air temperature of 5°C is required to ensure proper film formation.

Recommended topcoats include Sher-Cryl M770, FIRETEX M71V2, Acrolon C137V2 or C237.

Macropoxy M630V2 can be used for internal areas where regular water washing down for hygiene reasons is required. Maximum temperature of water used should be not more than 60°C and water ponding on the coated steelwork must be avoided.

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.