Garage expansions will help to convert your now-cramped space into a comfortable section of your home. Some people elect to construct an entirely new garage while others choose to add a garage extension. Garage extensions are the cheaper alternative but must conform to the structural design of the existing garage. This is a relatively simple process and can be done in a number of steps.

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Increase your garage size in a few steps.

Step 1

Construct a specific size garage extension. You will be able to choose from a one-car extension size, a two-car extension size or other various dimensions. The size of a two-car garage is 22 feet long and 12 feet wide. You can use the extra garage space to hold vehicles, to act as a storage area or even to create a living area.

Step 2

Remove the unnecessary items from your garage. Make sure the perimeter area is clear and also keep your vehicles outside the garage. This is important because you will need work space when installing the extensions. It is also important to have a budget in mind because the prices for extensions will vary by labor cost.

Step 3

Hire a general contractor to help expand the size of your garage. Make sure to speak with multiple contractors so you can get the best deal possible. The contractor will then visit your home to check if there is suitable area for a garage extension. He or she will calculate the cost of labor, equipment and various materials to create an estimated cost of the entire project. You can lower the cost of the project by buying the supplies yourself from a wholesale merchant. The typical cost of a two-car garage will range from $13,000 to $18,000.

Step 4

Go over the blueprints and design plans the contractor produces for your garage expansion. When adding a garage extension it is important the new addition follow the structural foundation already set up. Creating walls that are wider than the original garage or creating a higher ceiling may result in structural imbalance. On the other hand, if you tear down the current garage, you can construct a new one without any restrictions on the dimensions.

Step 5

Hire a drywall contractor. He or she will apply the drywall and ensure there are no structural weaknesses in your new garage. You also have the option of using a fiberglass material for the drywall, which prevents the growth of mold. Keep in mind that fiberglass drywall costs approximately 70 percent more than standard drywall material.