We put up a new cold storage shed last year that has sliding doors on each end. Due to the timing and the dirt not being settled we didn't pour any concrete under the doors. We are planning to do something this summer. The doors are 36' wide 18' tall and right now with no track to follow once you pull them off the center post if there is any wind it has some force behind it. I want to form some kind of track to keep them from whipping around. Here are a couple ideas:
A- Just a lip inside the door with angle iron held in with rebar and a regualr center post
B- Set a channel on its side half way in the concrete- will it be ok to drive over?
C- I-beam set half way in concrete- Ok to drive over?
D- Channel set flush down in the concrete- water/ice problems in the winter- install drain path?
E- Combination of A and B
F- Channel bolted on top of concrete- drive over concern?
If the concrete ever heaves I'm in trouble with some of these. Probably just go with A and a regular center post.
Thoughts?
 (Door Track Ideas.JPG)
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 Door Track Ideas.JPG (68KB - 415 downloads)
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Sliding Door Track Ideas
