Exterior wall systems have received a lot of well-deserved attention as no amount of ink has been spared over the last decade writing about the critical importance of a tight, fire safe, and tested building enclosure.
Exterior insulation and finish systems provide a number of features and benefits when compared to other claddings. Offering an air barrier, continuous insulation, and a decorative finish in one seamless assembly, EIFS is both versatile and lightweight.
Our September 2013 article on entrapped moisture touched on issues related to early iterations of exterior insulation and finish systems (EIFS). It led to this letter to the editor from Scott Robinson, of the EIFS Industry Members Association (EIMA).
In early iterations of exterior insulation and finish systems (EIFS), issues occurred when board stock rigid insulation was layered against other rigid insulation or exterior sheathing, or when decking traps moisture between the layers of material.