Armacell Product Selector

ArmaFlex Shield

Pre-Jacketed Pipe Insulation

New ArmaFlex® Shield flexible foam insulation from Armacell is a moisture-resistant and UV-resistant product with a durable factory-applied protective jacket specially designed for line set, HVAC and refrigeration applications. This tough coating can take the abuse of challenging installations and stands up to the effects of weather and extreme elements like UV, heat and cold, making it a great choice for outdoor applications.


Flexible Pipe Insulation with a Durable Protective Covering

Product Advantages:

  • Saves Energy

  • Protection against thermal losses, condensation and moisture ingress

  • Tear-resistant, durable protective coating

  • UV and ozone resistant

  • Comes in continuous coils for fast installation with fewer seams

  • Meets IECC code requirements for outdoor insulation

  • Meets code requirements for installation in plenums

Applications Areas:

  • HVAC, plumbing and refrigeration

  • Line set

  • Outdoor applications

  • Commercial and residential buildings


ArmaFlex Shield consists of an ArmaFlex insulation core with a flexible, polymeric protective covering designed to prevent damage to the insulation from:

  • ArmaFlex Shield meets the requirements of the International Energy Conservation Code (IECC) for protection of insulation installed outdoors.

  • Its durable, outer covering resists damage due to sunlight and other outdoor hazards including line trimmers used for lawn maintenance.

  • ArmaFlex Shield can be slit easily with a sharp, non-serrated knife and installed over a pipe. Longitudinal and butt joints should be sealed properly with ArmaFlex 520 adhesive.

Specification Compliance:

  • ASTM C534

  • 2012 IECC: Section R403.3.1

  • 2012 IECC: Section C403.2.8

  • 2015 IECC: Section R403.4.1 2015 IECC: Section C403.2.10

  • Plenum Rated according to the International Mechanical Code (IMC)


  • ½”, ¾” (13mm, 19mm) Nominal Wall Thickness

  • 1/4” to 1-1/8” ID (6mm to 29mm)

  • Lengths: continuous coil and 6-foot lengths, see datasheet for details

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

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