Instructor Ed Jones has over 30 years of experience in theindustry, has the title of MasterWater Restorer, is an Institute ofInspection Cleaning andRestoration Certification (IICRC)-approved instructor, and hasserved on the S500-2021consensus body committee todevelop the most recent standard.
A big part of Accuserve’s value proposition to our clients and its policyholders, at least in the water
damage mitigation division of our business, is to not only prequalify and dispatch the most capable and
best performing certified mitigation contractor (restorer), but to also hold them accountable to American
National Standards Institute-approved industry standards to ensure the policyholder’s home or business
was dried properly and the affected materials are returned to pre-loss conditions that will not promote
microbial growth from that water-loss occurrence.
To prove materials are “dry,” the restorer determines “drying targets” that are reflective of what each
material’s normal moisture content or “dry standard” would be. It is all about preventing mold growth
in structures and ensuring we have the proper documentation in the claim file that proves the restorer
reached the drying targets of all affected materials being saved. The Drying goals may be at, or above
the dry standard and should be documented as they relate to specific materials.
The restorer should establish drying goals that would be expected to:
When establishing drying goals to return structure, systems, and contents to an acceptable condition,
it is recommended that restorers consider:
It is important to note that the USDA Wood Handbook states, “Softwood lumber intended for framing
in construction is usually targeted for drying to an average moisture content of 15%, not to exceed 19%.”
The reason for this is destructive mold growth can occur on wood materials at 20% moisture content or
above.
This doesn’t mean we always set the dry target for wood materials at 15%, the restorer still gets to set
the dry target, but it does show that there is not a risk for mold below 20% moisture content on wood
so you would typically not need to charge extra days of drying to go from 15% to 10% or 12%.
Whenever there are allegations of incomplete or improper drying, it is important to obtain photos of the
moisture meter reading with a time/date stamp on the photo and clear labeling that shows where the
reading was taken. This is why I stress ALWAYS taking photos of ALL final moisture content readings
on each material you are drying so you have proof that you left the material in a state that would prevent
microbial growth from that water loss occurrence. These photos combined with your DAILY dry logs
and a detailed Moisture Map will protect all materially interested parties and prove that you dried
materials properly.
Don’t forget that electrical moisture meters are only calibrated for wood materials and when taking
moisture content readings on drywall, plaster, or any material other than wood, the readings are only
qualitative, not quantitative and can only be used to show you dried that material back within 10% of
dry standard. For this reason, it is critical that the type/brand/model of moisture meter be recorded
EVERY time and the simplest way to do this is provide photos of your readings. I recommend taking first
day and last day photos of each reading of a material you need to dry. You should also take a photo of
your dry standard reading, if possible, to show the moisture reading of that material before it got wet.
Finally, I recommend providing photos of any materials that might be close to the areas that got wet,
but that didn’t get wet. For example, I saw a file where the refrigerator ice maker line break got some
of the kitchen cabinets wet and they had to be removed due to mold, but the restorer said the kitchen
island did not get affected. Later a different reconstruction contractor alleged that they found mold
under the kitchen island and that the restorer must have missed it. It would have been great to have a
photo of that kitchen island proving it didn’t get wet since it was in close proximity to the water damage.
