I have recently purchased a 1981 C25 which is in dire need of window rebuilding - major leaks. Has anyone with a C25 used the E9020 kit (rubber seals and sealant) available from catalinadirect.com (see link below)? I called their customer service for info about the kit and he said the kit is for "trapezoidal" windows. All my windows are rectangular except for the aft window which could be considered a trapezoid (the aft side of the frame is at an angle and not parallel to the forward side). The description on their site even says for "trapezoidal" windows, but using the seals as pictured I can't imagine that it matters what shape the windows are - the seals should conform to any shape. Any thoughts?