Roofs are very often used to insulate a home and maintain internal temperatures at a level that could potentially make them more in line with the natural cycles and requirements of our physical bodies. These insulation processes can cause unintended side effects, though, which you should bear in mind considering the cost that they can incur as far as maintenance and repairs are concerned. One potential side effect of a well insulated roof is that the cold air could gather atop the highest point instead of getting absorbed by the material of the roof.
This means that ice will begin to form on your roof, and this can be quite dangerous. Any Tulsa roofing contractor that knows all the right stuff will tell you that ice formation is so deadly that you need to get rid of it right away. The reason that ice formation can be harmful to your roof is because of the fact that ice tends to expand when it forms, and contract when it thaws. This constant expansion and contraction will place a great deal of pressure on the roof of your home. Over time, these movements will become so jarring to your roof that shingles will start to come loose, and you will be hard pressed to find any solutions apart from replacing them which is certainly going to be a costly endeavor.
Part of the reason why roofs have been constructed the way they currently are is because they need to avoid ice formations at all costs. Insulation is something that most modern homes would simply not be able to be livable without, but the side effects of this technique need to be addressed so as to maintain habitability in the long term.