Fiberglass Channels


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EXTREN® is a proprietary combination of fiberglass reinforcements and thermosetting polyester or voinyl ester resin systems. It is produced in more than 100 standard shapes. All EXTREN® shapes have a surface veil to protect against glass fibers penetrating the resin surface in service and to increase corrosion and UV resistance. EXTREN® is offered in three series designed for different environments and applications


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