Curved portion of existing glaze is 17/32 inch. Straight portion that snaps into frame is 16/32". Locking lip is spaced 1/8" lower than corner edge. White vinyl glaze is brittle from sun and weather. Champion window frame i is 2002 year built in Perry home in Houston Texas. Please tell me what you suggest in this window frame. Not all Glaze is broken, just one or two pieces in about four Windows. I'm trying not to replace all glazing in all 18 Windows.