Fire Protective coatings for structural steel

A wide range of materials are available to enhance the fire resistance of structural steel members.

SECTION FACTOR

Calculating the heating rate of steel is done with the following formulations :

HP or P = Perimeter of section exposed to fire.
A = Cross sectional area of the steel members. A steel section with a large P/A value will have a lower heat sink and will require more fire resistant material than one with a low P/A value.

In selecting the type of material to be used the following factors should be considered:

  • The environment indoors or outdoors
  • The type of industry commercial buildings or Petrochemical
  • The fire rating 30,60 or 120 minutes
  • The aesthetic requirements

AVAILABLE PRODUCTS

  • Tekrok S a lightweight budget spray applied material for non-exposed steel members
  • Tekrok C a medium density spray or trowelled material primarily for use in the Petrochemical industry
  • Thin film applied intumescent coating for application where the steel forms part of the decorative feature of the building
Tekrok S - application in an Eskom Power Station
Tekrok S – application in an Eskom Power Station
Tekrok C - applied to Water Extinguishing pipes in a Refinery environment
Tekrok C – applied to Water Extinguishing pipes in a Refinery environment
Pyrosafe - application onto Steel at Moses Mabhida Soccer Stadium
Pyrosafe – application onto Steel at Moses Mabhida Soccer Stadium

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