The frame means may comprise a base frame and an operating leaf frame and the frame means may further comprise {TAIL ~ at least one flexible gasket} integrally formed with {HEAD ~ the plastic profile} 
The frame means may comprise a base frame and an operating leaf frame and the frame means may further comprise { TAIL ~ at least one flexible gasket } integrally formed with { HEAD ~ the plastic profile }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD