ABOUT US When quality, performance, reliability and cost are important, SGI's comprehensive Insulseal line of high-temperature, high-performance insulation and gasketing materials is the solution. Since 1980 SGI has earned preferred supplier status for leading manufacturers and heavy industrial users with high-temperature sealing, shielding and insulation applications. Designed and manufactured to meet a wide range of demanding OEM and industrial applications, SGI's Insulseal provides added value with its inherent durability, flexibility and the secure confidence gained by proven in-use experience. Today's stringent quality and performance requirements make Insulseal the logical first choice for gasketing and insulation in all high-temperature environments. In addition. Insulseal is the ideal non-hazardous replacement for outdated or hazardous high-temperature insulation products.