ULTIMATE™ is an innovative next generation mineral wool which combines all the advantages of conventional thermal and acoustic insulation, with a top level fire classification. U TECH Slabs MT 5.0 provides optimal thermal and acoustic insulation for technical applications such as tanks, boilers and industrial equipment. High performance U TECH Slabs are an efficient alternative to standard industrial stone wool slabs, providing optimal thermal insulation at continuous temperatures of up to 540°C, whilst being lightweight and flexible to install.