On 2/20/2017 19:07 PM, K7LXC--- via TowerTalk wrote:
Thanks, but my question was not about tubing or masts. My question was
about GRC vs. IMC for mounting pipes.
Please elucidate what GRC and IMC are. I was unable to google either
of them and get the answer.
What he's calling GRC is usually schedule 40 galvanized (either hot
dipped or electro-galvanized as you find in electrical supply stores).
The IMC is a thinner walled but stronger material that fencing supply
places have been touting and selling for their top rail material. It's
very good - we use it routinely on commercial sites when hot dipped
galvanizing is not specifically specified :-) It's less expensive,
so...why not?
-Steve K8LX
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