The Answer to Every Pipe and Equipment Insulation Need

For years Johns Manville has demonstrated its leadership with the industry's most complete product line and unmatched technical support.

Now with the introduction of our new state-of-the-art pipe plant in Defiance, Ohio, we are bringing contractors exactly what they have asked for—new levels of product consistency in pipe insulation. This plant joins our existing network of plants to provide industry leading products.

JM has products for a variety of equipment requirements. Our systems are used indoors and out, in food, pharmaceutical, beverage, chemical, power and other plant applications. For a side by side comparison on which product is right for you, download our Pipe & Equipment Product Selector Guide or browse through our product families.

For every pipe and equipment need in any industry depend on JM for high performance, every time.

Take Advantage of Consistent Product Quality

Our new plant is producing Micro-Lok® HP to the highest standards of product quality and consistency. For contractors like you, this means a product that installs easily every time. It enhances the quality of the finished job, and requires minimal, if any, callbacks or repairs. Micro-Lok will enhance your work, and your reputation, with quality you can count on.

PVC Covering & Accessories

Johns Manville PVC insulated pipe fitting cover system is a rugged, high impact, UV-resistant polyvinyl chloride material designed to provide an inherent vapor retarder and protection to insulated pipes.

Pipe & Equipment Insulation

Johns Manville fiber glass pipe and tank insulation is suitable for installation over hot, cold, concealed and exposed piping systems with operating temperatures up to 850°F (454°C).

Equipment Board & Blanket Insulation

These rigid and semi-rigid fiber glass boards and flexible fiber glass blankets are designed for use on furnaces, boilers, heated vessels, ducts, tanks and other systems operating at temperatures up to 850°F (454°C).