Used in the interior of sheet metal ducts, fiberglass duct liner products come as flexible blankets or rigid boards of fiberglass insulation. The airstream surface is formed of either a coating or a ...

Wenglikowski said even though they use products made in the United States, they’re not immune from the impact of tariffs. “Every asphalt shingle is manufactured on a fiberglass mat.

A new mat of fiberglass is applied, and a vinylester resin reseals that mat before a new gel coat is put on. “This process can cost $3,000 to $4,800 for an average 15-by-30-foot pool, ...

Fiber Glass Industries, Inc. (FGI) has been a supplier to fiberglass composites manufacturers for more than 50 years. The company started with a full line of woven fiberglass and combination products.