Pal has been the pioneer in pre-insulated ducting. Pal was the first company in the world to introduce the innovative and revolutionary pre-insulated ductwork as an alternative to sheet metal ductwork. It was invented by Claudio Ferraro of Bologna, Italy in 1965.
Pal offers a complete product line, providing all materials, tools and accessories necessary for the effective fabrication of ductwork from The PalDuct Phenolic System. Each component has been rigorously tested in the field, in a variety of ductwork applications, to the highest performance standards.
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