Putting in walls is one of those projects that seems easy to do, but ultimately becomes a messier, longer affair than most homeowners predict. Hiring a drywall contractor will run you around $1,775 for an average size wall installation. Due to the complexities of some homes, the cost can reach as high as $4,700 or more. This is not typically considered a DIY job, so hiring a pro will help ensure that your wall is installed correctly and will save a lot of hassle in the long run.
Materials
Drywall is the most common type of wall. The biggest impact will be the drywall itself. Ensuring you get enough to cover all of your walls and possibly ceilings will be a bulk of the price to install drywall. Beyond that, there are special drywall screws, the joint compound or "mud", and tape. You also have the option to install paneling, which can be made of either interlocking wood or vinyl. While it costs more and is usually harder to paint, it's easier to keep clean and looks better because of its design style.
Size
Bigger spaces mean more materials and longer work time for professionals, all of which can increase the price to install a wall. Drywall is heavy; so installation usually requires at least two workers. However, it costs less to install more drywall, as compared to paneling installation charged by the square foot.
Red tape
In some areas it's necessary to get the proper permits before installation can begin. This is especailly true if you have knock down the old walls first. While this doesn't necessarily add to costs, it's something to keep in mind. You don't want to hold up your project by waiting to get this completed.
Clean up
Wall installation is a messy job and something that your pro should clean up before leaving. It's smart to talk this through before the job begins to make sure that this is included in your costs.
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