Copper Foil Tape with Conductive Adhesive (1inch X 12yards) - Slug Repellent, EMI Shielding, Stained Glass, Paper Circuits, Electrical Repairs - Extra Long Value Pack : Amazon.ca: Tools & Home Improvement
Tech Talk: How to shield your guitar
Copper Shielding - How to Shield a Guitar — Six String Supplies
3M - 1181 6"X18YD - Copper Foil EMI Shielding Tape 1181, 6 in x 18 yd, 3 in Paper Core - RS