Armacell Product Selector

ArmaFlex Coil

Continuous Coil Pipe Insulation

ArmaFlex Coil is a pipe-insulation system designed for convenience and labor savings. Offered in continuous length coils, it is designed to minimize waste and reduce butt joints. ArmaFlex Coil minimizes heat gain and controls condensation drip from chilled-water and refrigeration systems. It also efficiently reduces heat loss on hot systems.

ArmaFlex Coil is engineered for air conditioning applications where speed, ease of installation, convenient handling and on-site durability are of primary importance. ArmaFlex Coil is acceptable for use in air plenums.


ArmaFlex Coil is a pipe-insulation system designed for convenience and labor savings.

Product Advantages

  • No waste, fewer seams

  • Easy carry, easy store box

  • Slides easily and quickly onto pipes

  • Acceptable for use in air plenums

  • Conforms to NFPA 90A and NFPA 90B

Application Areas:

  • For hot and cold water lines

  • Air conditioning systems

  • Exterior applications must be protected against radiation


ArmaFlex Coil is a pipe insulation offered in continuous length coils.


  • Wall Thickness (nominal): 3/8” (10mm), 1/2” (13mm)

  • Inside Diameter, Tubular: 5/8”, 3/4”, 7/8”, 1-1/8”

  • Length of sections: Varies by I.D. see Submittal sheet

Specifications Compliance:

Approvals, Certifications, Compliances:

  • Key physical properties are approved by FM Approvals.

  • Manufactured without CFCs, HFCs, HCFCs, PBDEs, or Formaldehyde.

  • All Armacell facilities in North America are ISO 9001 certified.

For complete Specification details, download the product submittal sheet.


  • ArmaFlex 520 and 520 Black Adhesive – Air-drying, solvent-based contact adhesive for strong bonds and tight seams.

  • ArmaFlex BLV – Black Low VOC Air-drying, solvent-based contact adhesive

  • ArmaFlex WB Finish – Latex-based, UV resistant protective coating for indoor or outdoor applications

  • ArmaFlex Insulation Tape – black foam, pressure-sensitive seam tape

  • Armacell Fabricated Fittings – Made to order pre-fabricated fittings in Tees, Elbows, P-Traps and more

  • ArmaFix Insulation Pipe Hangers – Easy-to-use insulated pipe hanger supports that protect against compression

Armacell Manufacturing Locations

Did you know?

Armacell has 4 manufacturing facilities in the US and 1 in Canada. That means almost any product you order in North America is made in North America. Some exceptions apply.

Made In USA

© Armacell, 2014-2024 • 55 Vilcom Center Drive • Suite 200  • Chapel Hill, NC 27514 • tel 800 866 5638