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Today’s water-based intumescent coatings provide improved fire resistance, allowing architectural exposed structural steel (AESS) to be featured prominently. This article examines the environmental/health benefits of water-based coatings over traditional, solvent-based coatings, and provides recommendations on how to apply these materials in a safe and attractive manner and ensure long-term performance.
A brief history of cycles of exterior intumescent coating repair is presented; types of coating failure are identified; various depths of repair are illustrated; discoveries regarding the initial coating and; difficulties in effecting repairs are discussed.
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The use of passive fire protection (PFP) materials plays an integral role in mitigating fire risk in commercial buildings. Traditional application of these materials has been on-site following the erection of structural steel. Their mechanical durability, exposure to weather and in-flexibility have been a major concern for construction managers and architects.
This paper provides an overview of the Spray-applied Fire Resistant Materials and intumescent mastic materials used to protect structural steel in commercial and industrial buildings and structures. Intumescent fireproofing materials are specifically discussed including the initial testing by UL, their listings, uses, applications and inspection in the field