(This is why you often see the front pickup cover removed). And the hiss?. Well, hiss is usually due to the electronics in the signal chain, NOT interference, and will not be attenuated by shielding paint or foil.
GUITAR CONDUCTIVE GRAPHITE SHIELDING SHIELD PAINT *IMPROVES SOUND QUALITY*
GUITAR SHIELDING KIT - CONDUCTIVE GRAPHITE PAINT COPPER FOIL PICKGUARD SHIELD
GUITAR CONDUCTIVE SHIELD SHIELDING PAINT **** 50ML PAINT ONLY***** (CH50005)
GUITAR COPPER SHIELD SHIELDING FOIL TAPE - 20x30cm Sheet Self-Adhesive
Guitar Conductive Adhesive Copper Shielding Foil
GUITAR SHIELDING KIT - CONDUCTIVE PAINT and COPPER FOIL PICKGUARD SHIELD
