cold shell
n.— «Two of the buildings with about 350,000 square feet are unfinished, or in what the industry calls “cold-shell” condition and would require additional investment of about $100 a square foot before they could be occupied.» —“Sale of Veritas campus would set a benchmark” by Sharon Simonson MSNBC Apr. 2, 2006. (source: Double-Tongued Dictionary)