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H-block pipe support is densely molded fiberglass that is used as a pipe support in an insulation system to prevent crushing and bottoming-out of the surrounding insulation. Because it is made of fiberglass, H-block enhances the thermal and vibration control properties of the insulation system. H-block is noncombustible and resistant to corrosion and rot with available ASJ (all-service jacketing). H-block is available in a wide range of sizes to fit your needs. Browse our selection below!

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