Vacuum-infused fiberglass-reinforced fenestration framing member and method of manufacture

摘要

A method of making a fenestration framing member includes providing a core of desired cross section and geometry lengthwise of the core. A fiberglass mat is placed around the core to form a fiberglass-enclosed core, and resin is vacuum infused into the mat to form a fenestration framing member that includes fiberglass-reinforced resin enclosing the core. The starting core and the final fenestration framing member preferably are of curved geometry lengthwise of the core and member. The step of vacuum infusing resin into the mat surrounding the core preferably is carried out by placing the fiberglass-enclosed core into a vacuum enclosure, preferably a vacuum bag, and connecting the vacuum enclosure to a vacuum source and a resin source.