If a material has a quality that could be considered to have depth, then lead must be a solid candidate. Just 1/16” thickness of lead over a wall of moving panels is enough to weigh 600 pounds, cut down the noise transfer by ...dcb, and reak havoc with wifi and cell phone transmissions. Used in x-ray rooms and usually covered with plasterboard, lead sheet has a surface quality that seems alive in the way it changes as it absorbs and reflects the light.