Fiberglass windows & doors were developed as the demand for a strong, durable and low maintenance frame type that would be more sustainable and environmentally friendly than vinyl, wood or aluminum frames. Originally all fiberglass, frames are now available with wood interiors, trim and in a full range of options that compliment most any design.

After completion of this course you will understand the history of fiberglass for fenestration and how fiberglass allows for a strong, durable and low maintenance frame type. This course will explain the fiberglass pultrusion and manufacturing process and discuss the definition of a window’s performance grade (PG) and design pressure (DP) rating and learn how they are related. And finally you will Observe an AAMA air test is performed for DP ratings