The latest edition of North American Fenestration Standard/Specification for windows, doors, and skylights (NAFS), is now available. Compiled by the American Architectural Manufacturers Association (AAMA), Canadian Standards Association (CSA), and Window and Door Manufacturers Association (WDMA), the update, 101/I.S.2/A440-17, replaces the 2011 edition of the joint standard.
Earlier this month, ASTM International published its revised ASTM F2170, Standard Test Method for Determining Relative Humidity in Concrete Floor Slabs Using in situ Probes. The updated standard reduces the mandatory wait period before obtaining official, documentable results from an in-situ relative humidity (RH) moisture test performed in concrete floor slabs from 72 to 24 hours.
Requirements regarding multi-family residential dwellings, environmental tobacco smoke, and operation and maintenance, are among the changes to the American Society of Heating, Refrigerating, and Air Conditioning Engineers’ (ASHRAE’s) newly published indoor air quality (IAQ) standard.