HOUSTON--(BUSINESS WIRE)--Distribution International, Inc. ("DI"), the leading distributor and fabricator in the mechanical insulation market and portfolio company of Advent International, today announced its wholly owned Canadian subsidiary, Crossroads C&I Distributors, Inc., ("Crossroads"), has acquired certain assets of Frost Insulation Supplies, Inc. ("Frost"). Located in Surrey, British Columbia, Frost provides mechanical insulation and related supplies to some of Western Canada's larg