Bluefin Acquisitions, a private investment company, offered to acquire BlueLinx, a wholesale distributor of building and industrial products, for $24.50 in cash per share, at a company valuation of $230m. The tender offer is subject to customary conditions to closing, including a condition that the number of shares validly tendered before the expiration of the proposal represents at least one share more than 50% of all shares then outstanding.