A dishwasher leak is one of those problems that looks small at first and gets worse by the minute. When a homeowner in Orem, UT noticed water pooling on their kitchen floor, they called our team at Prime Restoration LLC for appliance leak water damage restoration right away. That quick call made all the difference, but what we found once we started the tearout told a much bigger story than a simple kitchen cleanup.
How the Damage Spread from the Kitchen to the Basement
The dishwasher had been leaking long enough for water to soak through the kitchen’s hardwood flooring and OSB subfloor. Gravity did the rest. Water traveled through the floor system and started dripping from the ceiling of a downstairs bedroom. By the time we arrived, the homeowner was dealing with damage on two separate levels of the house.
We classified this as Category 2 water damage, meaning the water contained contaminants from the dishwasher’s wash cycle. Category 2 water requires extra caution during cleanup because it carries bacteria and detergents that can cause illness if not properly handled. The IICRC S500 standard for water damage restoration outlines specific protocols for this type of contamination, and our IICRC-certified technicians followed them to the letter.
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The Kitchen Tearout: More Than Just a Wet Floor
Dishwasher leaks are tricky. The water doesn’t just sit on the surface. It works its way under cabinets, beneath flooring, and into every crack in the subfloor. This kitchen needed extensive demolition: cabinets, countertops, the dishwasher itself, all the hardwood flooring, and ultimately the OSB subfloor underneath.
We set up containment barriers to keep dust and contaminants from spreading to the rest of the house. Then the real work began. Once the hardwood came up, we could see just how much moisture had soaked into the subfloor. Our moisture meters confirmed what we suspected: the OSB was saturated well beyond what drying equipment alone could fix.
Finding Mold During Tearout
Here’s something most homeowners don’t realize about dishwasher leaks: if the water has been seeping for a while before anyone notices, mold can already be growing underneath the flooring. That’s exactly what happened in this Orem home. When we pulled up the subfloor, we found active mold growth on the underside.
Mold can start colonizing within 24 to 48 hours after water exposure, according to the EPA’s guide on mold and moisture. We treated the affected areas with antimicrobial solution before continuing with the drying process. Catching it early meant we could address it during restoration rather than coming back for a separate mold remediation project in Orem later.
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Damage Below: The Downstairs Bedroom
While the kitchen was the source, the downstairs bedroom took a hit too. Water had traveled through the floor and was dripping from the ceiling. We opened up the ceiling drywall to assess how far the water had spread and set up drying equipment along with air scrubbers to maintain air quality during the process.
Our team used thermal imaging cameras to track the moisture path through the walls and ceiling framing. The thermal scans confirmed water had migrated further than what was visible to the naked eye. That kind of hidden moisture is exactly what causes long-term problems if it’s missed during cleanup. It’s one of the biggest reasons we always do a thorough inspection beyond the obvious damage areas.
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Why the Subfloor Had to Go
We always try to save as much of the original structure as possible. Replacing materials costs more and takes longer, so if something can be dried and saved, we’ll do it. In this case, the OSB subfloor in both the kitchen and the basement bedroom was not responding to our drying equipment after days of continuous operation.
OSB (oriented strand board) is made of compressed wood chips bonded with resin. Once it absorbs too much water, the layers swell and separate. At that point, it loses structural integrity and can’t be dried back to a safe condition. Leaving saturated OSB in place is a recipe for mold growth and eventual structural problems. Our team made the call to remove and replace the subfloor in both areas, which was the right move for the long-term health of the home.
What Homeowners Can Learn from This Project
Dishwasher leaks are among the most common sources of water damage we see in Utah County homes. A few takeaways from this project:
- Check around and under your dishwasher regularly for any signs of moisture, warping, or discoloration on nearby flooring
- If you notice water on your kitchen floor near the dishwasher, don’t wait to see if it happens again. Call a professional to assess the situation
- Water damage from upper floors almost always affects the level below. Ceiling stains, dripping, or soft drywall in rooms below your kitchen are warning signs
- Mold growth can hide beneath flooring where you’d never see it without removing the surface material
If you’re dealing with a similar situation, our team at Prime Restoration LLC is here to help. We serve Orem and communities throughout Utah County with water damage restoration in Orem, UT and surrounding areas.
Related Projects and Resources
Want to learn more about how water damage affects different parts of your home? Check out these resources from our team:
- Water damage from appliance leaks
- Another multi-level water damage restoration in Orem
- How long does it take for mold to grow after a water leak?
Dealing with Water Damage in Your Orem Home?
Whether it’s a leaking dishwasher, a burst pipe, or flooding from a storm, our IICRC-certified team responds quickly to minimize damage and get your home back to normal. We handle everything from emergency water extraction and drying to mold treatment and full remodeling.
