Quote:
Originally Posted by cadillackid
the gen 1 C2 had some of the worst windows made ever.. 09 was right around when they changed them but the originals looked like they werent all the way closed even when they were.. water could get down inside and freeze in the winter.. since the frames are aluminum it resulted in corrosion from any salt, and general deterioration of the frames.. later C2 windows were much better but still school bus windows.. school bus windows in busses without A/C esp get opened and closed hundreds of times, constantly vibrated around and really were never made to be energy efficient.. after all in a bus you half a quarter million BTU of heat if not more.. thats enough th heat a 5500 square foot house in Ohio...
RV windows are much better design but of course will require fabrication and altering of the bus structure to install...
to fix windows you really need to take them out of the bus and disassemble them.. ive never heard of having to cut them open to see the inside.. but i also havent torn apart C2 windows.. you might have some success filling the void with a flexible resin or such that would fill the voids..
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so all the window frames are plastic except our emergency windows, which are alluminum.
doing a hose test on two regular windows with new sealant on the frame to bus seam AND on the glass to frame seams showed leaking. hose test on the emergency window with the same showed no leaks.
this says to me that the leaks are very likely from just the cracks?
we also just tried sealing, the best we could, with a scraper the visible cracks from inside and out on one window just to check if that helps.
i will attach photos of what i mean by "cutting the frame up". it was just an interior part of the frame that overlapped with a bus rib and hid a hollow area.