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Grennan Construction, based in Pontiac, MI, is your go-to contractor for comprehensive home improvement services. Specializing in gutters, insulation, masonry, painting, roofing, siding, and windows, their professional and trustworthy team is dedicated to enhancing the quality and appearance of your home. With a commitment to excellence, Grennan Construction ensures each project is completed with precision and care, serving the Pontiac community with pride.
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We provide gutter installation, repair, and maintenance services to ensure your home is protected from water damage.
Proper insulation helps maintain energy efficiency, keeping your home comfortable year-round and reducing energy bills.
Timely masonry repair prevents further structural damage and enhances the aesthetic appeal of your home.
Consider the material options, durability, and the expertise of local professionals familiar with Pontiac's climate.
New siding enhances curb appeal, increases energy efficiency, and can boost your home's market value.