When you need a tooth pulled, you could ask your neighbor, OR you could go to a dentist with a degree and specialty training. Either one can technically pull a tooth, but calling the dentist will make sure the process is painless and efficient. The same goes for calling in the professionals to improve your home or business. Sure, there are many people who could get the job done, but would it be painless and correct? That is why choosing a business with certified professionals is so important. It is another guarantee that the service will be more precise and last you a lot longer.