Fiberglass Rock Wall Panel Materials: fiberglass, resin & fillers, etc. Thick (mm): 0. ... , bicycle frames, glider, microcar, bodyshell, wind turbine blade5) Pipe: gutters, gas / drinking water/ waste water pipe6) Building: roofing laminate, flat roof ... spacer sticks, cable support trays, switch actuators Highstrength Smooth Fiberglass Rock Wall Panel