Armacell Insulation

Overview of Product Line

Fittings, Gas Plumbing, Insulation, PVC, Valves, Water
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The leader in energy saving foam insulation since 1954, offering the original closed-cell foam insulation systems for plumbing—commercial and residential

Armacell manufactures fiber-free, flexible elastomeric foam insulation for mechanical systems including: plumbing, refrigeration, HVAC and solar applications. Today, Armacell also makes thermoplastic materials, covering systems, noise control products and specialty foams for a multitude of industrial, transportation and athletic applications in its seven North America-based manufacturing facilities.

AP Armaflex

armacellSince 1953 AP Armaflex® has been THE preferred flexible elastomeric insulation for commercial plumbing pipes.

The low thermal conductivity of Armaflex pipe insulation makes it an efficient thermal barrier.  The closed-cell foam structure offers excellent water-vapor transmission properties, which reduce the need for additional vapor retarders. Also, its thermal performance will not be impaired by surface punctures.


  • Ensures long-term thermal performance
  • Inhibits mold and mildew, protects IAQ
  • Withstands abuse, protects the pipe system
  • Moisture won’t wick, no additional vapor barrier required
  • Acceptable for use over heat tracing

Residential and Light Commercial Applications

For residential and light commercial applications, Armacell’s Tubolit®, Imcoa® and Tundra® products are practical, cost-effective solutions for pipe insulation.  Available in semi-slit and self-seal configurations, these polyethylene foam tubes can be easily installed. Available in 6-foot lengths, Tubolit, Imcoa and Tundra require no special tools for installation. Both Tubolit and Imcoa also come in a white self-seal option where a clean aesthetic is important.

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