Uniform Self-Sealing Lap Alignment and Adhesion - Tape is aligned at ASJ jacket edge to provide a clean, seamless appearance while tape seals jacket to itself immediately and permanently.
Superior Cutability and Fabrication - Mandrel wound production for consistent wall thickness and insulation dimension across all pipe sizes.
Consistent Jacket Adhesion and Alignment - Smooth fiberglass section surface promotes jacket tightness for optimum finish appearance.
Fire Safety - Meets ASTM E84, CAN ULC S102.2 – 25/50 rating and is UL listed and Labeled for use in plenum spaces.
GREENGUARD Gold Certified - Each of our Micro-Lok products is GREENGUARD® Gold certified.
Explore our mechanical insulation tools, education and training programs built specifically to aid you in your professional development
Request a Technical Presentation
Johns Manville offers customized presentations to help you stay up to date on the latest market trends and enhance your knowledge of JM products.
The Source: Mechanical Insulation Resource Library
The Source is where we house the latest Insulation Intel® on industry trends, insights, and continuing education opportunities. This is a resource built specifically to aid you in your professional development. Explore our webinars, compare specs, and follow our blog all right here at The Source.
SmartBinder Resource Library
Your resource for all JM documents in one place.
Where to Buy
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Insulation for Aesthetic Applications
As building designs trend toward open ceilings and exposed duct work, designers are frequently faced with a major challenge: finding an insulation that meets codes and system specifications and is also aesthetically appealing.
Mechanical Insulation Innovation
Over the years, Johns Manville has been committed to manufacturing quality mechanical insulation solutions to meet your project needs. Our broad range of products, including board, blanket and pipe insulation, as well as Zeston® PVC coverings, deliver the results you need for various mechanical applications.
Optimizing Acoustic Performance in Pipe Systems
Proper acoustic design can serve multiple purposes. It can help with noise control and it can also improve the ability of building occupants to enjoy the space.
RBC Gateway High-Rise Apartments
Installing top-of-the-line soundproofing on mechanical systems for high-end residences.
Oswego High School Rooftop Ducts
Replacing a failing and water-logged HVAC rooftop duct insulation system
Educating Engineering Students with PVC
Western Colorado University received funding to build a new engineering building in which the mechanical room was designed to serve as a tutorial for the university’s engineering students.
Micro-Flex® comes up big for oversized piping
When the building you’re working in is roughly 3 million square feet, you can bet you’re going to need a lot of material to insulate the piping.
