Tapco International is the leading designer, manufacturer, and marketer of accessory products and professional installation tools for the remodeling and new construction of residential exteriors. Tapco's products include window shutters, gable and roof vents, and exterior fixture mounting blocks. Tapco's products are sold throughout the U.S. and selected European markets through four principal distribution channels: one - and two-step distributors, do-it-yourself mass merchandisers, and manufactured housing distributors.

Calera Capital and Tapco management acquired a controlling interest in Tapco International Corporation from the founder's estate and family in June 1999. Calera Capital sold Tapco International to Headwaters Incorporated in September 2004.