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**As announced in January, Nomaco’s insulation business is now a part of Armacell. All insulation information included on these pages will soon be transitioning to Armacell.**

Nomaco has long been the recognized leader in mechanical plumbing insulation for the US market. Our products are made in the USA and have over 35 years of proven performance, making them the most widely specified plumbing insulation products for residential and light commercial applications. Nomaco mechanical plumbing insulation provides excellent energy conservation and protects plumbing systems from the effects of moisture condensation and freezing.

Our mechanical plumbing insulation products have become a staple for contractors across the US because of our consistent quality, the wide range of sizes available and the ease of installation of the highly flexible pre-slit and pre-glued tubes or easy-to-cut sheets. Nomaco’s mechanical plumbing insulation product brands include Imcoa (Imcolock, Imcosheet), Nomaco (Nomalock, Nomaply), therma-cel, FlexTherm, and Arcticflex, which are available nationwide from hundreds of regional and local plumbing supply, distributors and retailers.

We provide a complete line of mechanical plumbing insulation products in tube, sheet and roll forms, as well as accessory products to meet the many needs of builders and contractors. The materials used in our foam plumbing insulation have intrinsic performance characteristics that are ideal for insulation including:

  • 0.0 Water vapor permeabilitMechanical Plumbing Insulation Tubes
  • Very low thermal conductivity
  • CFC/HCFC Free
  • Low VOCs
  • Closed-cell
  • Halogen free
  • Non-porous
  • Fiber free
  • Mold resistant
  • Energy saving

Our insulation products meet or exceed the following specifications and certifications.  Please refer to the individual insulation brand pages for exact performance specifications and certifications of each product.

  • ASTM E 84, 25/50
  • ASTM C 1427
  • New York City OTCR #13-09
  • USDA Requirements
  • CAN/ULC S102-M88
  • CAN/ULC S102-03
  • ASTM C 1427
  • NFPA 90 A/B.
  • City of Los Angeles, General Approval, Research Report RR 8316
  • Dade Co., Fl., Product Control Approved, Acceptance #95-1215.08
  • UL94 HF-1 File #E147665
  • UL723 File #R-22380
  • FMRC 2006
  • UL 181
  • ASTM G 21
  • California ECB Title 24
  • ASHRAE 90.1 and 189.1

Nomaco’s brands are highly recognized in the industry. Use our insulation products guide to identify the foam product that is right for you.

Insulation Selection Guide

Nomaco’s insulation products are certified by leading organizations in the plumbing and construction industry.

Our products are also GREENGUARD Gold certified for low volatile organic compounds (VOCs). These products have met the Children and Schools classification, which is the most stringent classification GREENGUARD offers. For product certificates click here.

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