InfraStop® 4" x 25' Spiral Pipe Wrap Insulation - Case of 12

  • R-2.0
  • Fiber and Dust Free
  • Easy to Install
  • Environmentally Safe
  • Resists Mold and Fungi
InfraStop® reflective double bubble insulation is great for pipe wrap applications because the product is so easy economical and easy to install. There is a mix of product types and installation configurations available. InfraStop® Pipewrap Insulation achieves an R 4.0 and is excellent for reducing condensation on cold pipes. The product does not create fibers or dust that would require protective garments or a respirator. The rolls are cut to a very convenient size and can easily be molded or cut to your specific application.

Availability: In stock




Spiral Pipe Wrap Installation Instructions: Our pipewrap insulation is simple, straight forward stuff. Use wider pipewrap widths for larger pipes. 2" pipewrap is perfect for all residential applications. When using our spiral product, spiral wrap the insulation overlapping the material 1/2" Tape all seams with our InfraStop® Foil Tape. The goal is to create an air-tight, snug seal while sealing all edges with tape.

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Additional Info

Additional Info

YouTube IDCmUtqL0_tNU
Vimeo IDNo
Model NumberISPWS42512
Roll Width4 Inch
Roll Length25 Feet
Per Roll Square Foot8.33
Bubble LayerDouble
Edge DetailSquare Edge
Nominal Thickness5/16 Inch (.312)
Weight1.25 oz per square foot
Reflectance (IR)94% +
EmittanceLess than 0.08
Temperature Range-60 to +180 degrees F
Fire RatingClass A / Class 3
Fungi ResistanceNo Growth
Flame Spread Index (ASTM E-84)Less than 25
Smoke Developed Index (ASTM E-84)Less than 50
PliabilityNo Cracking / No Delamination
Bleeding and DelaminationPassed
Linear ShrinkageNone
Permeance After Aging0.015
Permeance Before Aging0.024
Elevated Temperature & Humidity Resistance: DelaminationNone
Elevated Temperature & Humidity Resistance: Loss of MetalizationNone
Elevated Temperature & Humidity Resistance: CorrosionNone



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InfraStop® Specs

Testing & Certifications
All tests on InfraStop® Insulation products are performed at either nationally
approved independent laboratories or at leading universities. Tests are
performed to current American Society of Testing and Materials (ASTM)
Standards when a standard exists.

Testing results on our Reflective Insulation (Reflective/Bubble/Bubble/
Reflective) product are listed below. For any additional testing information
for this product (or any other), please feel free to call or contact us.

Product Standards
Resistance to fungi or bacteria: InfraStop® does not promote the growth of
fungi or bacteria.

Specification compliance: InfraStop® is covered under the Federal Minimum Standards Code for reflective insulation (HH-I-1252B) for all H.U.D. and F.H.A. projects.

Testing and Certification Documents
  • Thermal Performance ASTM C1363
  • Thermal Performance of Wall Systems ASTM C1363
  • Thermal Performance ASTM C335
  • Thermal Performance of Crawl Space ASTM C1363
  • Hot Surface Performance ASTM C411
  • Heat Transfer (Heat Flow Up, Down, Horizontal) ASTM C1363
  • Thermal Performance of InfraStop™ and Fiberglass in Walls ASTM C1363
  • Heat Transfer of Air-Handling Ducts with InfraStop™
  • Flame Spread and Smoke Density ASTM E84
  • Fungus Resistance Mil-Std 810B Method 508
  • Pliability Test
  • Sound Absorption Test ASTM C423-90a and ASTM E795-83
  • Sound Transmission Loss ASTM E90-90 and ASTM E413-87
  • Water Vapor Transmission ASTM E96
  • Tensile Strength
  • Emittance Testing
  • Thermal Performance of Water Heater Jackets
  • Intertek: Surface Burning Characteristics of Building Materials ASTM E84-08
    (Taped Joint Detail) Test Report # 3166908SAT-012
  • Intertek: Surface Burning Characteristics of Building Materials ASTM E84-08
    (Unslit) Test Report # 3166908SAT-011
  • R&D Services: Resistance to the Growth of Fungi ASTM C1338-00 Test Report
    # RD072713FR
  • State of California
  • State of California Licensed Insulation Manufacturer
  • State of Minnesota: Filed with Minnesota Insulation Standards
  • State of Wisconsin: Wisconsin Material Approval, Safety and Buildings
    Division Approval # 920088-1
  • R&D Services Emittance Testing
  • R&D Services: Physical Properties Sheet Width, Length, Pliability, Water Vapor
    Permanence and Aged Water Vapor Permanence
  • R&D Services: Water Vapor Transmission Test ASTM-E96 (Dessicant Method has a Shopper Approved rating of 4.8/5 based on 543 ratings and reviews