Death of 3-Day Drying (Continued): Air Mover Explanations & Calculations

Kris Rzesnoski

Kris Rzesnoski, CR, WLS, is the vice president of business development at Encircle. Kris guides the technical development of Encircle’s solutions to ensure they exceed industry expectations. With over 15 of years of experience in the restoration industry, Kris is committed to driving Encircle’s delivery of intuitive, easy-to-use solutions that allow contractors to improve productivity and profitability. Kris sits on RIA’s Restoration Council, Canadian Education Committee and is the chairman of the Estimating Committee.

11/8/2020.

R&R Magazine

The article explains/ justifies the air mover calcs in S500-2015. See IICRC Journal Cleaning, Restoration & Inspection Vol 3 Issue 4 August 2016: Unintended Consqeuences of In-Place Drying by Ken Larson. According to Larsen, these air mover calcs were developed for In-Place Drying (IPD) which was an approved drying method in S500-2006 but they are no longer applicable for S500-2015 since IPD is no longer an approved procedure.

See IICRC Journal Cleaning, Restoration & Inspection Vol 3 Issue 4 August 2016: Unintended Consqeuences of In-Place Drying by Ken Larson. According to Larsen, these airmover calcs were developed for In-Place Drying (IPD) which was an approved drying method in S500-2006 but is no longer applicable for S500-2015 since IPD is not an approved procedure in the current version of S500.

So if In-Place Drying is no longer an approved procedure in S500-2015, why do we care about calculating the number of airmovers to dry a wall were calculations had been developed for no longer approved in-place drying?