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I have metal support pole in my garage that is rusting out on the bottom due to melting snow from the cars during winter. I don't know how thick metal is but it looks bad. Are those poles filled with something or they hollow?
 

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Some are, some are not, no way to tell from here.
Got a picture?
 

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Your own garage, so probably one family house, so those columns are usually hollow. You can tap on it with a hammer to hear. The column is also 1/4" thick. Scrape the rust away and see how much of the metal you can remove. Those columns can rust away. I would recommend primer and paint, and trying to keep them dry.
 

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carp's right,,, i always thought supporting columns had to be fill'd w/conc to meet fire code - heard it from an inspector/engineer/newbie laborer know-it-all on a job :laughing: maybe dan will chime in on this
 

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Most are hollow in this area---
 

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Windows & Dogs
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I've had to cut a couple that were older and they were concrete filled. However, I do know that they can be hollow. If your unsure with the tap test then just drill a small hole in it to find out if there's concrete inside. In any case It does have to be addressed before it rusts out completely.
 

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Roofmaster
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Jack and hold with a 4 x 4, replace with a Galvanized pipe with 1/4 inch Galvanized Pads. Why Worry?
 

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depends on whether lally columns or standard pipe columns where used. As stated tap and listen .....
 
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