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Hydrophobic Blanket
This thin, flexible microporous blanket insulation combines exceptional thermal performance, high thermal stability and water resistance. InsulThin® HT is made from a highly-efficient insulating material that has been in service in a variety of industrial and commercial applications for more than 35 years. Johns Manville's InsulThin® HT high-temperature blanket allows simple installation in small places and can be used as part of a hybrid system with other Johns Manville insulation products.
Hydrophobic Blanket
InsulThin® HT


InsulThin® HT is a high-temperature, thin, flexible, microporous, blanket insulation. It is made from a highly efficient insulating material that has been used in a variety of industrial and commercial applications for more than 35 years. The thin, extremely low-profile feature of this blanket makes it ideal for applications that require space-saving performance with high thermal-stability. InsulThin HT is hydrophobic and has a very low corrosive potential, helping to prevent corrosion under insulation. Additionally, it can be paired with other Johns Manville Industrial high-temperature insulations, like Thermo-1200™ or Sproule WR 1200®, to create hybrid systems that capitalize on the strengths of multiple insulations.

InsulThin® HT Technical Overview
InsulThin® HT Job Site Installation