Exterior insulation and finish systems (EIFS) are proprietary wall cladding assemblies that combine rigid insulation board with a water-resistant exterior coating. Popular chiefly for their low cost and high insulating values, they are used on a range of construction types, from hotels to offices to homes.
In the November 2015 issue of The Construction Specifier, this author examined the basics surrounding building material disclosure and environmental product declarations (EPDs). In this followup article, he looks at how the information will be used in lifecycle databases, whole-building analyses, product manufacturer improvement, green project rating systems, and building codes.
When it comes to insulating a facility, insulation addresses two important goals—maintaining a consistent interior temperature and preventing moisture from forming and collecting via condensation. There are several different materials and ways to protect a roof, including fiberglass, rigid board, and insulated metal panels (IMPs).