CAFCO FENDOLITE M-II / ISOLATEK Type M-II is the industry's leading High-density Wet Mix Spray-Applied Fire Resistive Material (SFRM) designed to provide fire protection for structural steel and concrete where physical abuse or high traffic may be anticipated. Due to its Portland cement formulation, thermal performance and proven superior durability, and ease of application, CAFCO FENDOLITE M-II / ISOLATEK Type M-II is the preferred choice worldwide for use in the most challenging commercial and industrial applications.