If you want a warranty, be sure to ask for one from your roofing contractor as well. While some repairs can be finished in your own backyard, many are best left up to the professionals. A final note: before signing anything and doing any repairs, be sure to do the necessary research on your own to make sure you understand the process. Don’t be afraid to ask questions and have a professional give you their opinion. Opinion on whether or not the roof repair is a good fit for your house. Even if a repair is cheaper than having the entire roof replaced, it is always better to be safe than sorry.