Topband: Radiant Barrier

[PaulKB8N at aol.com]

I saw a pretty convincing demo of how a radiant barrier can cut summer A/C  
costs, and I've committed to having the work done.
 
The radiant barrier consists of a heavy latex coating that is infused with  
aluminum particles. Since part of my 160M Vertical (about 15' of it) is inside  
my attic, I am wondering what the effect of the barrier will be.  Will it  
act as an RF shield, or will it be porous enough to allow RF to pass  through it?
 
Has anyone dealt with this stuff?
 
Paul, K5AF
 



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