Johns Manville Micro-Lok® HP Ultra Fiberglass Pipe Insulation
Johns Manville Micro-Lok® HP Ultra Fiberglass Pipe Insulation

Johns Manville Micro-Lok® HP Ultra Fiberglass Pipe Insulation

Micro-Lok® HP fiberglass pipe insulation is a high-performance solution that improves energy efficiency and protects piping systems in commercial and industrial applications. Manufactured from biosoluble glass fibers with a factory-applied vapor barrier jacket, this insulation provides reliable thermal performance while helping control condensation and heat loss. Designed for use on iron pipe, plastic pipe, and copper tubing, Micro-Lok® HP insulation features a self-sealing lap system for quick, secure installation. The durable jacket resists moisture penetration and maintains integrity in high-humidity environments, making it ideal for both hot and cold service applications. With service temperatures up to 850°F, this insulation delivers long-lasting performance in demanding conditions while meeting UL and ASTM standards for safety and reliability.

  • Fiberglass with polypropylene-coated vapor-barrier jacket
  • Moisture-resistant jacket with low vapor permeance
  • Factory-applied self-sealing lap for easy installation
  • For indoor use only; Outdoor use requires separate weather protection
  • Designed for iron pipe, plastic pipe & copper tubing
  • Suitable for hot, cold, concealed & exposed piping systems
  • Service temperature range: 0°F to 850°F
  • UL listed; Meets ASTM performance standards
  • Sold in full lengths only
Item # Description Catalog Pg. Price Add to Cart
1/2" ID x 1" Wall Micro-Lok® HP Ultra Fiberglass Pipe Insulation - 3' Length
Item 98964
9.69/3' Length
Save 5% when you buy 7+
Save 10% when you buy 14+
Save 15% when you buy 42+
NEW
9.69/3' Length
5/8" ID x 1" Wall Micro-Lok® HP Ultra Fiberglass Pipe Insulation - 3' Length
Item 98965
9.69/3' Length
Save 5% when you buy 7+
Save 10% when you buy 14+
Save 15% when you buy 42+
NEW
9.69/3' Length
3/4" ID x 1" Wall Micro-Lok® HP Ultra Fiberglass Pipe Insulation - 3' Length
Item 98966
10.6/3' Length
Save 5% when you buy 7+
Save 10% when you buy 14+
Save 15% when you buy 42+
NEW
10.6/3' Length
1" ID x 1" Wall Micro-Lok® HP Ultra Fiberglass Pipe Insulation - 3' Length
Item 98967
11.37/3' Length
Save 5% when you buy 7+
Save 10% when you buy 14+
Save 15% when you buy 42+
NEW
11.37/3' Length
1-1/4" ID x 1" Wall Micro-Lok® HP Ultra Fiberglass Pipe Insulation - 3' Length
Item 98968
12.32/3' Length
Save 5% when you buy 7+
Save 10% when you buy 14+
Save 15% when you buy 42+
NEW
12.32/3' Length
1-1/2" ID x 1" Wall Micro-Lok® HP Ultra Fiberglass Pipe Insulation - 3' Length
Item 98969
13.28/3' Length
Save 5% when you buy 7+
Save 10% when you buy 14+
Save 15% when you buy 42+
NEW
13.28/3' Length
2" ID x 1" Wall Micro-Lok® HP Ultra Fiberglass Pipe Insulation - 3' Length
Item 98970
14.38/3' Length
Save 5% when you buy 7+
Save 10% when you buy 14+
Save 15% when you buy 42+
NEW
14.38/3' Length

Note: Product testing for individual applications is recommended before use. U.S. Plastic Corp. cannot be held liable for individual application failures.

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