Great Day Improvements LLC, a residential remodeling company best known for its sunroom and window brands Patio Enclosures and Stanek Windows, has acquired Hartshorn Custom Contracting Inc., a Tampa, Fla.-based company specializing in the custom manufacturing and installation of screen enclosures for pools, lanais and patios.

“We’re thrilled to welcome Hartshorn Custom Contracting, Inc. to our family of businesses,” Great Day President and CEO Michael Hoy said. “Their exceptional quality, custom-made products complement our existing patio enclosure business perfectly and will allow us to better serve our customers and their design needs in southern markets. Plus, Hartshorn brings to our organization a strong and experienced team with considerable tenure in the enclosures business, which is a huge asset.”


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Hartshorn custom designs and custom manufactures its pool and screen enclosure products at their Tampa facility, while Great Day Improvements will continue to custom manufacture its Patio Enclosures and Stanek Windows products at its Macedonia facility.

Operating two manufacturing facilities in different parts of the country, each with their own specialties, will create additional opportunities for the company as it continues to grow geographically.

Growth through acquisition is part of a long-term business plan for the company.

“Great Day is actively seeking acquisitions in the building products sector as part of its ‘Strategic Transactions’ initiative,” Great Day Improvements Chairman Ed Weinfurtner said. “We seek businesses that can be additive in terms of people, products, capabilities, and new geographic markets. Hartshorn is a great example of the kind of business that fits with Great Day."

In the last five years, Great Day has doubled in size and footprint, expanding its presence to 27 metropolitan markets throughout the Midwest and Northeastern United States and is ranked as one of the Top 25 largest residential remodeling companies in the country, according to Qualified Remodeler Magazine.