How to protect your steel structure from fire? Protecting your steel structure against fire is very significant as lack of preventive measures can pose very serious risks to the lives of people. Steel structures consist of structural steel connections, frames and fasteners that act together in resisting actions like loads, displacements, steins, pressures and so on. Load bearing steel structures need to cater the load including the load of the dead structure itself. Home or building owners must pay special attention to the fireproofing on steel structures so as to make sure that during pre-determined fire scenarios that the steel doesn't rise above the critical temperature. The type and amount of fire proof paint or spray is dependent on many factors like size of steel members in question, fire rating, duration of exposure to a given fire, budget, location of the project, fire severity, time of application of the fireproof covering, etc. Remember, for some lower fire ratings or durations where loads are not extreme as heavy gauge with high yield strength steel buildings can withstand the effects of fire without any additional covering materials. ·Conventional spray applied materials Both oldest and widely used forms of materials related to fireproofing are available. These are relatively speaking low density materials that are supplied in bags and when mixed with the applied materials as well as sprayed as a type of slurry. Keep in mind that the thicker the applied material, the higher is fire rating with maximum thicknesses that prove the adhesiveness of the material to the steel during testing of fire. Steel structures fireproofing materials have been allocated in three different categories which are: ·Board materials They have been a preferred choice and used for a long time. Manufactured board materials can be cut as per the size and fixed around the steel sections to give the required fireproofing. ·Intumescent paint for steel Intumescent paints are the newest form of fireproofing paint. This paint has been used for almost two decades. Intumescent materials are those that expand to several times their original volume when exposed to heat. Intumescent paints are widely used in the passive fire protection or fire stopping. The load bearing elements that are present in your building can be protected effectively by applying intumescent paint that basically acts as a shield thereby preventing fire accidents. This paint works upon the alloys that are susceptible to fire simply by creating a swollen effect up the steel structures. It stops fire from spreading as soon as the density of the paint increases.
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