An excellent faraday shield can be made using copper screen:

 

http://www.twpinc.com/wire-mesh/TWPCAT_3

 

David Bearrow

 

  _____  

From: Phil Morrison [mailto:philmorrison...@gmail.com] 
Sent: Thursday, January 02, 2014 10:54 PM
To: silver-list@eskimo.com
Subject: CS>Re: CS > Faraday Cage

 

 

One can build a fair radiation cage or shield using several layers of double
foil radiant insulation available at Lowe's or Home Depot.