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.