Micro-Lok® Fiber Glass Pipe Insulation by Johns Manville

Micro-Lok® fiber glass pipe insulation by Johns Manville is made from glass fibers bonded with a thermosetting resin and produced in 36” (0.92 m) lengths. Jacketed with a reinforced vapor retarder facing and a factory-applied, longitudinal acrylic adhesive closure system, Micro-Lok is designed for application temperatures from 0°F to 850°F (-18°C to 454°C).

Section joints are sealed with butt strips which are supplied from the factory. Micro-Lok’s factory-installed tape system permits installation at ambient temperatures down to 15°F (-9°C), and will not soften or separate when exposed to high ambient temperatures and humidity.

Micro-Lok® fiber glass pipe insulation is suitable for installation over hot, cold, concealed and exposed piping systems with operating temperatures up to 850°F (454°C). Weather-protective jacketing is required for outdoor applications. Pipes operating below ambient temperatures require all joints to be sealed with the factory-applied, self-seal lap and butt strips.

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