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Great Northern Home Exteriors is a St. Catharines-based company specializing in the replacement of windows, doors, siding, and eavestroughs. Since 2009, they have built a trusted reputation in the Niagara Region, focusing on quality installations and exceptional customer service.

With a commitment to detail and local expertise, their experienced in-house crews ensure that each project is completed with care, using high-performance products designed to withstand the harsh Canadian climate. The company prides itself on transparency and accountability, offering customized solutions tailored to homeowners' needs.

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