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Benefits of Pipe Insulation


Insulating pipes provides many advantages in a variety of fluid distribution systems. See below for a list of common applications. carries K-Flex Insul-Lock pipe insulation. Insul-Lock comes in 6-foot lengths for pipes with outside diameters ranging from 1/2″ to 4-1/8″. We offer Insul-Lock with 3/8″, 1/2″, and 1″ wall thicknesses. R-values for 1″-thick insulation can range above 7. Insul-Lock includes a pre-slit adhesive seam seal.

Insul-Lock is UV-resistant, but K-Flex recommends their part 374 protective coating for added protection when high sun exposure can be anticipated. Insul-Lock can be buried underground if proper precautions are taken. These include using sand or a conduit to guard against water absorption and using thicker insulation than would be need above ground in order to prevent compression of the insulation. Use POLYTAPE to join Insul-Lock sections together. K-Flex Elastometric Insulation Tape can be wrapped around pipes in tight areas and provides many of the same benefits as Insul-Lock.

  • Prevent freezing: pipe insulation reduces the risk of pipe bursts in domestic water and hydronic heating applications
  • Minimize heat loss: pipe insulation helps hot water pipe retain more heat, potentially saving energy and reducing hot water wait times
  • Minimize heat gain: pipe insulation blocks heat absorption, keeping drinking water as cold as possible and increasing efficiency in refrigeration and air conditioning systems
  • Prevent condensation: insulation can stop pipes from “sweating” during hot/humid times of the year


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