What does general insulation company do? About General Insulation. General Insulation Company is an insulation distributor - insulation supplier that stocks and fabricates a wide variety of industrial, commercial, and fire-stopping products for the construction, industrial and marine markets.How do i contact general insulation sales marketing? Contact: Gerald Towle, Director of Sales & Marketing for Commercial Division, (781) 391-2070 x80405 Why choose marine general insulation? Marine General Insulation’s partnership with top insulation manufacturers ensures the supply of high-quality insulation parts for your marine equipment. Our Quality Assurance Program guarantees that all parts are fabricated to your specifications.”What is foamglas cellular glass insulation? FOAMGLAS® cellular glass insulation is a lightweight, rigid, and durable material composed. Closed cell, Dust and fiber-free insulation that is “food grade,” Anti-microbial, and mold resistant. I want to be contacted to attain more information about product and services.