[TowerTalk] GRC vs. IMC

[Steve Maki]

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