CertainTeed Learning Center: Insulation « return to the Learning Center

 
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Sand to Glass to Fiber Glass

How CertainTeed Manufactures Insulation
Everything you always wanted to know about fiberglass insulation. Learn the secrets of the fascinating manufacturing process that turns sand and recycled glass into energy-efficient fiberglass that keeps you warmer in the winter, cooler in the summer and makes your homes a quieter and more comfortable place to live. 
 
 
Click here for an animated guide to the patented TEL manufacturing process used by CertainTeed/Saint-Gobain and our sister-brand Isover.
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