When you are thinking about building a new house, you want to make sure that everything you have put on your house is going to last for a good long time. Your house is probably the biggest investment you will ever make, so you want to do everything you can to protect your investment. So when you are trying to decide what kind of roof you want, there are some things that you should ask the roofer doing the job before you make your final decision.
One thing that you should ask the contractor is what the longevity of the roofing material is. Different materials have different life spans. For example, a shingle roof is going to have a shorter lifespan than a slate roof is. Even within one particular kind of roofing material, you might have brands and types that will last longer than others. So, if you want something like asphalt shingles, you need to make sure that you talk to the roofer about the various brands and types so that you get the one that will be best for you.
Another thing that you should talk to the roofing contractor about is how energy efficient the roof is. While your roof doesn't directly use any energy, it can affect how much energy your house uses. For example, if you get a metal roof that reflects the sunlight back off the roof, your cooling bills can be lower, which is more efficient and will save you money. You can also go with a darker metal roof that will help to absorb some of that heat in the winter, which will help with your heating bills.
Another thing that you need to talk to the contractor about is the weight of the roof. For most roofing materials, that isn't going to be much of a problem, but if you want to have something like tile or slate, you can end up with a lot of weight on your roof. If you have your heart set on one of those materials, then you need to make sure that you have talked to the contractor who is doing the building so that they can shore up the load-bearing walls of your house.
If you are looking at getting a new roof, then you need to make sure that you talk to a roofing contractor before you make your final decision.