Applied Structural Drying (ASD)

Applied Structural Drying (ASD) is the most advanced technique used today by restoration professionals to non-evasively dry a structure after a water damage has occurred. Specialized equipment is used to effectively salvage the interior of a home or commercial business, reducing the costs associated with a major water loss. The process results in a quicker drying time, less cost, and a faster return to pre-loss with out having to use demolition and removal of expensive carpets, wood flooring and drywall. Previous to the advent of ASD in the 1990’s, when a home or business had a major water loss from the damage caused by broken water heaters or broken pipes, any wet carpeting or wood flooring usually had to be removed and replaced for fear of mold and warping. Decades before the introduction of advanced water restoration techniques total demolition and reconstruction of the water damaged area was the norm as only a percentage of the water could be effectively extracted from the affected area. The water mitigation techniques that pre-dated ASD predominately resulting in removing the affected water damaged areas with sheer demolition. Wet carpets were needlessly torn up and thrown away, drywall and wood floors thought permanently damaged by water were ripped up declared a total loss. Now, there is a much better understanding of the variables involved in water removal and the relationship of the key principles required in the drying process. The fundamental design of Applied Structural Drying involves the interaction of several basic principles utilized in drying. The following four (4) components of the drying process need to be implemented quickly for optimal┬áresults. The most effective Rapid Structural Drying process begins by (1) extracting any liquid water, then (2) evaporating with air flow and (3) dehumidification while consistently (4) maintaining a controlled temperature. Extraction: Removing all water in liquid form is the first step. Water removal when in liquid form is more efficient than changing liquid to vapor with air movers and then removing the vapor with dehumidifiers. Specialty water extraction tools such as the Hydro-X Extreme and the Water Claw are top of the line water removal tools for wet carpets. Evaporation by Air Flow: Once the liquid water has been extracted, the water removal process continues with powerful high-velocity fans, or air movers. These air movers are strategically placed around the room at a variety of angles to insure effectiveness. The number of air movers per sq. ft. is determined with an industry standard formula. Evaporation by Dehumidification: Remaining moisture in the air is removed by the use of dehumidifiers. Either a refrigerant or desiccant dehumidifier is used in this evaporation process. Refrigerant dehumidifiers pass the air over refrigerated coils to collect water vapor and desiccant dehumidifiers focus air flow over a silica gel desiccant, a material used to attract and hold moisture. Temperature Control: Maintaining the proper temperature is critical in the drying process. The temperature range which most refrigerant dehumidifiers are effective lies in the range of 70-90 degrees. When necessary, specially designed Drying Chambers can be created to help maintain the ideal temperature. The introduction of Applied Structural Drying can save thousands of dollars by removing water quickly and efficiently from wood flooring and carpets. Utilizing the right water extraction equipment in concert with proper environmental controls will save time and money for the property owner (and insurance company) and minimize the high replacement costs usually associated with water damage. The drying time associated with this process usually lasts no longer than 3-4 days, and has the added benefit of reducing the potential for any mold.

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