When a building owner asks you if they need a commercial roof repair or replacement, your assessment of the roof's condition hinges on a few key areas. Veteran commercial roofing experts Dave Scott and Wally Brown share their roof inspection expertise in GAF's Roofing It Right with Dave and Wally: Roof Project from Start to Finish video series to help you assess the condition of critical areas on the roof.

Is thermal mass a lost art form after centuries of use in temperate regions?In building design, the thermal mass of a building enables it to store heat, providing "inertia" against temperature fluctuations. It reduces the impact of external daily temperature swings on internal heating and cooling requirements. This thermal inertia has been an on-off again topic of discussion for some time. Proponents of adding thermal inertia point to Mediterranean area buildings constructed with thick stone walls and ceramic tile floors etc. Such buildings have kept occupants cooler than lighter weight buildings in many temperate areas of the world for centuries. In the quest to improve the energy efficiency of buildings, further gains are becoming increasingly harder to come by.

The variety of single-ply roofing membrane adhesives available gives contractors some flexibility in their choice of material. But how do you know which choice is best for your project? Environment, weather, and even the use of the building can affect which adhesive is right for the job.

There are many roof membrane types to choose from, so how do you know which one is the right solution for your roofing project? The best way to start is by understanding the different types of membranes available. Here's an overview of the single-ply membranes you can choose from and the features of each system.