Method of making a lineal structural member

摘要

Core material of shaped glass fiber board is impregnated with resin in outer surface portions, the resin is cured, an additional resin casing is formed therearound, and the additional resin is cured. Glass strands may be included with the resin impregnation, and a continuous strand mat, a veil mat, and glass rovings may be included with the resin encasing.