The first layer on top of the plywood or OSB roof deck is underlayment. For this, we chose a self-healing ice-and-water ...

There’s a reason roofing companies always offer a 10-year warranty on these roofs, after all. Even on a flat roof, the most common sources of leaks are the seams—spots where there are changes ...

Whether or not new buildings in Boulder are “ugly” is subjective. But many large developments in Boulder do tend to look ...

“We hope that this release can fast-track the process of establishing a harmonized fire test method for PV systems on flat roofs,” Grunde ... on the necessity of building specimens in a ...