Duct Liner.

Our Core Insulation Products at Affordable Prices

Thomas Insulation maintains strategic relationships with several unique suppliers allowing TIC to offer high quality insulation materials at extremely competitive prices nationwide.


How to Order Products

Customers interested in ordering duct liner should contact Insulation Sales.

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Basic Use

Duct liner is specifically designed as an interior insulation material for sheet metal ducts used in heating, ventilating and air conditioning.

It provides an optimum combination of efficient sound absorption, low thermal conductivity and minimal airstream surface friction.

It is faced with a tightly bonded mat to give the airstream a smooth, tough surface, resisting damage during installation and operation. The encapsulated edge coating eliminates airstream flaring.

Core Specifications

Duct liner is very durable and resilient, supporting temperatures up to 250 degrees F and a Maximum 6000 fpm. It is unique with low thermal conductivity, fire resistant, non corrosive and offers excellent sound absorption. Meets ASTM standards. Visit the different manufacturer's websites for this product to obtain up to date specifications.

How to Size Insulation Materials

Thomas Insulation has compiled an insulation sizing support document for fiberglass pipe insulation, pvc fittings and insulation saddles for both iron pipe sizes and copper tubing. The sizing guide provides definitive information such as the difference between IPS and CTS.  These sizing documents are available in two formats for online viewing as well as high quality printing.