The air barrier is one of the most significant items on any building exterior. The installation and process should reflect the importance of the system and its intricate installation and integration of non-air barrier system components, such as waterproofing, structural elements, windows, and roofing systems.
Design, specification, steel chemistry, and fabrication practices all have an influence on the HDG coating appearance. Although appearance does not affect the durability or corrosion resistance of HDG steel, it can impact the intended use of the product.
As alternative methods of project delivery become more popular, it becomes clear that all specifications are not alike and one size does not fit all. In fact, there are a many important concepts that need to be carefully considered before design professionals prepare specifications for a design-build project.