Types of Mechanical Insulation for Cold States

Updated: Dec 4, 2019

(Fiberglass, Rubber, Mineral Wool, Calsil)

There are more than the 4 materials chosen here within the insulation market but these are the most common.


Fiberglass

Fiberglass is a type of fiber primarily composed of glass that is used in a wide variety of applications and is predominantly employed as a residential and commercial thermal insulator. Fiberglass is an attractive choice for home insulation because it poses no fire hazard.


(Fiberglass is by far the cheapest and the product is readily available in almost all markets. )


Rubber

Rubber insulation is designed for the HVAC and Refrigeration industry. This insulation is highly recommended for condensation control due to its excellent moisture vapor resistance and thermal conductivity. Applications include refrigerant lines, cold-water plumbing, and chilled-water systems.


(Rubber is the easiest to work with but can be harder to track down.)






Mineral Wool

Mineral wool has been around for decades, is widely used in Canada and Europe and is making a comeback in the United States. It's made by melting down basalt stone and recycled slag from steel mills, then spinning it into fiber that can be formed into batts or boards.


(Mineral Wool was just as easy as fiberglass to install but far more difficult to track down in all markets except Texas.)



Calsil


Calcium Silicate Pipe Covering. Thermo-12 Gold is pre-formed, high-temperature, abuse-resistant calcium silicate pipe insulation and block insulation. Calcium silicate insulation is inorganic, noncombustible, asbestos-free and meets or exceeds the physical and thermal property requirements of ASTM


(Calsil is easy to track down but far more difficult to install)



In Conclusion


We think the best material to use is fiberglass. You can save money, have everything insulated in a timely manner and your system will be saving you money in no time!!!








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