Great timing on this post. I am just starting my sliding windows too. Makes total sense for there to be some sort of a drain hole in the channel to allow the water to drain out of the channel and somehow make it into the drain tube.
~ Phillip
1949 GMC Suburban - 10 year project
1952 Pontiac Chieftain Convertible straight 8 hydramatic
1945 GMC half ton truck - Driver- Sold 9-15-25
1946 Chevy COE - SOLD 1-5-26 BUH BYE CHEVY!
1959 GMC Half ton long bed NAPCO
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