Quote:
Originally Posted by Fuzz
Interesting idea, but I have read you can't do that in Calgary without tying into the sewage system.
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My description was probably a little off. I wasn't speaking about a drainage trench that is buried into the floor but just a subtle 1/2 inch to 1 inch deep channel down the middle to flow water out the garage. Similar to what you would see on parking garage ramps in the city. Kind of like tire sipes. In reality you don't even need a channel if the garage floor is slightly sloped from the left and right sides into the middle and from the back to the garage door. From what I've seen people typically only slope the floor from back to front.