After the feature, “Out of Sight, Not Out of Mind: Specifying Thermal Insulation Below-grade and Under-slab” ran in our December 2013 issue, we received a letter from retired architect, Joseph S. Bond. Mr. Bond wrote that the article in question “seems to reverse the findings” from both his personal and professional experience with expanded and extruded polystyrene (EPS and XPS):
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).
Several factors should be considered before investing in an infrared thermography (IRT) camera.* Issues such as ergonomics and easy user interface play a vital role in enabling efficient use of equipment. From a technical standpoint, minimum requirements are usually recommended.
The ability to detect trapped moisture within a wall system is useful in evaluating the condition of an exterior wall system, and critical for evaluating sheathing durability. Finding hidden water using non-destructive techniques such as infrared imaging can be useful if the techniques are used correctly.
Our January 2013 article, “Ensuring Moisture Protection for Manufactured Stone,” written by Jeff Diqui, Arch. Eng., CSI, resulted in a letter to the editor from another frequent contributor to The Construction Specifier.
In the spring, Maria Spinu, PhD, LEED AP, e-mailed her comments:
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