Fiberglass is a synthetic, heat-resistant material consisting of fine strands of glass and resin. It’s used as a fire barrier in some mattresses because it’s cheap to make. While fiberglass is ...

Production houses that do layup fiberglass professionally usually use a applicator that shreds glass fibers and mixes the resin all in one step while blowing it on to the mold. A primary concern ...

The printed templates were then cut out from cardboard, assembled, and reinforced with fiberglass and polyester resin. [Leah] tackled this step outdoors for good ventilation and also used a full ...