Evaluating and Detailing Pre-Applied Air/Water Barrier Sheathing Products

Pre-applied air/water barrier sheathing products are growing in popularity for both commercial and residential markets, as their combination can help project teams meet the ambitious schedules and cost demands of modern construction. However, unfamiliarity with product requirements and limitations can lead to incomplete or improper specification and detailing of these systems and to construction quality control issues. With many manufacturers selling and developing these systems, even the most experienced industry professionals can struggle to select, detail, and install these systems in a manner that provides a reliable and long-lasting water and air barrier solution. This article discusses the benefits and challenges associated with pre­applied water/air barrier sheathing systems, including detailing considerations, recommended enhancements, and how to avoid common construction pitfalls.