The frame comprises a rigid plastic profile having high temperature resistant properties and {HEAD ~ a plastic capping material} extruded over {TAIL ~ the external exposed surface} of the core to protect the profile from weathering 
The frame comprises a rigid plastic profile having high temperature resistant properties and { HEAD ~ a plastic capping material } extruded over { TAIL ~ the external exposed surface } of the core to protect the profile from weathering
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH