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Rubber Pipe Insulation Split with DoubleSeal (1/2" Thick)

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K-Flex Insulation
Unit Of Measure:
Per 6ft Long Section

 Product Description

K-FLEX INSUL-LOCK DS (DoubleSeal) is a flexible closed-cell elastomeric insulation tube product used to conserve energy and prevent condensation on piping applications. It is pre-slit with a factory-applied pressure sensitive modified-acrylic adhesive with scrim reinforcement on the seam surface and a flexible PVC overlap tape with acrylic adhesive for doubled seam security. The system reduces installation time and costs, and ensures a strong, durable seal.

The product's closed-cell structure creates exceptional thermal properties (k-value of 0.245 at 75°F and wvt of 0.03 perm-in) that protect against moisture penetration in applications within a -40°F to +220°F temperature range.

  • K-FLEX INSUL-LOCK DS is widely used for its cold weather flexibility, durable skin surface, exacting manufacturing tolerances and lasting performance.
  • K-FLEX INSUL-LOCK DS is non-porous, non-fibrous and resists mold, fungal and bacterial growth. For added protection, it is protected with an EPA-approved antimicrobial agent.
  • K-FLEX INSUL-LOCK DS is GREENGUARD certified under the Children and Schools classification, is approved through supervision by the Factory Mutual Research Corporation, and is 25/50-rated when tested to ASTM E 84 standards.

*Sold in 6 foot lengths (Note: we bend the 6 ft lengths to fit inside our 3ft long boxes)

K-Flex 320 Rubber Adhesive can be used to adhere sections together, while K-Flex Rubber Tape is used for valves and other hard to insulate areas.  K-Flex 374 Coating is a UV resistant coating which is painted over the surface of the rubber pipe insulation on roof top applications.  PVC Cut & Curl Jacketing and Aluminum Jacketing can also be used over the rubber pipe insulation for weather and UV protection as well.

*Wall thickness = 1/2" thick

*Sizing is for Copper Piping, each photo shows the Copper ID (Inner Diameter) and Copper OD (Outer Diameter) that the pipe insulation fits.

*If you have any questions on sizing please feel free to chat, email, or call us to double check before ordering.


 Product Reviews

  1. Extremely easy to use!

    Posted by Timothy T. on 3rd Nov 2017

    Couldn’t be anymore easy to apply to water lines! Simply had to slide around the pipe and seal it. Looks a lot more clean and nicer then the foam pipe insulation that most people use in my opinion.

  2. Product is ok

    Posted by Doug on 4th Nov 2016

    The insulation is fine the packing is some what damaging folding this product causes creases not good for the r value.

    **Doug, shipping in a 6ft long box would be extremely expensive so we bend them in half to fit in a 3ft box. The insulation and r-value should not be affected by the bend once installed on the pipe. ~BIP

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