Lusalon, Inc. v. Hartford Accident & Indemnity Co.

The plaintiff (Lusalon) was the masonry subcontractor in the construction of the new Boston English High School. Its work included mortaring in *904preassembled and preprimed metal doors and windows. In the course of that work, the door and window frames were spattered with mortar. The general contractor directed Lusalon to clean the frames. This Lusalon did with a muriatic acid solution. Lusalon failed to rinse the frames properly, leaving a calcium choride residue that caused the finish paint, applied later by another subcontractor, to peel off. Lusalon sued the general contractor for a balance…