The experience
Depending on what field you are specialized in, you might have absolutely no knowledge of how roofing works, and what the best techniques are. Most roofing professionals spend hours upon hours working with other contractors, perfecting the skill before setting out in business on their own. They are licensed and know exactly how much material will be needed for your home. Those setting out to do this project for their own home have a tendency to either grossly over, or underestimate how much material will be needed.
No amount of research and studying will give you the same knowledge that experience can. You don’t want to make an experiment out of your home—get the roof replaced properly the first time to prevent further projects from being needed. By doing a poor job yourself, you will only be spending more money hiring somebody else to come take care of the mess you created.
Safety
Every day brings an unfortunate number of falling accidents; many resulting in extreme injury or even death. Do all you can to avoid these situations and be safe. When you are learning a new skill, most of your attention is dedicated to completing the task, not your surroundings. In some cases this is just fine, but when it comes to fixing the roof, this is downright dangerous. If you do choose to take on this task, be sure you have somebody there working beside you, to ensure you are safe throughout the entire process. Not only do professionals have the knowledge to get the job done right, they also have the tools needed for whatever challenges your roof may possess. Their equipment allows them to do all the repairs, and remain safe as well. Even though roofing has been around for years, the technology and techniques have continued to change. Let somebody who has been through all the twists and turns of the industry finish the task.
Time
If you do it right the first time, doing your own roof may save you a little bit of money, but will take an immense amount of your time. Most people don’t know what they are doing when the head up to the roof and begin the project. This only makes it more difficult. The time you spend may be for nothing if you make even the smallest mistake. For those who make a major mistake, it is then necessary to call a roofing professional, which will cost you much more in the long run. If the roofing company makes a mistake, they will come and fix the problem, usually at no extra cost to you. When you make a mistake, you are left with the disaster. Before committing to your own project on the roof, consider all your options first. Once you buy all the tools and materials needed, a roofing contractor doesn’t seem so expensive, especially when you factor in your time. Be sure to choose a contractor whom you trust will do the best job.