When Adrian Bejan, a mechanical engineering professor from Duke University, visited the town of Benevento in southern Italy, ...

Before sketching out your design, assess the roof you're planning to use - it's important that the building is sturdy enough to hold the structure you build. If you have a sloping roof it's best ...

K-style gutters are a popular choice for metal roofs due to their seamless design and ability to direct ... a common ...