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You’ll usually need to prime a garage floor before painting—especially if the floor is unpainted. Garage floors are made from concrete, which is porous and produces dust. The dust can contaminate the paint and cause issues with adherence. 

Primer creates a barrier and gives you a clean surface to work on. It also minimizes absorption to help give you an even, pro-looking paint job. Make sure you choose a primer that’s specifically designed to cover concrete flooring.

You have a few options of paint for garage doors. Acrylic paint offers excellent UV- and weatherproof resistance, easily adheres to surfaces, and dries quickly. However, it has limited color options available and requires multiple coats. Oil-based paints last long, are easy to apply, and may only need one coat, but dry slowly and emit more VOCs. Latex offers superior color reflection, available in a wide range of colors, and it’s highly forgiving. However, latex can crack and peel over time and may need a primer for even coverage.

A prefab, or prefabricated garage, requires far less construction work than one with a foundation and frame, but it’s not nearly as desirable and may not be a worthwhile option. A prefabricated garage won’t be as durable or long-lasting, and it doesn’t provide the same protection for your belongings and vehicles. Plus, you can use a standard garage for more uses—like living space—whereas a prefab garage only serves as a space for storage. Lastly, building a traditional garage will add to your home value, while a prefab garage usually won’t.

Fiberglass is considered a favorite garage insulation choice due to its combination of affordability, ease of installation, and overall effectiveness. Fiberglass provides good thermal resistance, helping regulate garage temperatures and minimize heat transfer. Additionally, fiberglass is moisture-resistant, reducing the risk of mold or mildew formation.