How Long Does It Take to Dry Out Water Damage? Learn the Key Factors and Know What to Expect

April 23, 2025
Dan and Tina Benton

Water damage can happen quickly, but drying it out takes time and the right process. Whether it’s from a burst pipe, a flooded basement, or a leaky roof, drying out your home properly is the key to preventing further issues like mold or structural damage. One of the most common questions we get is: How long does it take to dry out water damage?


The short answer: it depends. The drying time can range from a few days to over a week, depending on the extent of the damage, the type of materials affected, and the equipment used. At ABC Environmental Contracting Services, we specialize in Water Damage Restoration in St. Louis, helping homeowners and businesses recover as quickly and safely as possible.


How Long Does It Take to Dry Out Water Damage: What Affects the Drying Time?

Several factors play a role in how long it takes for an area to dry out completely. Understanding these can help you estimate the timeline and plan accordingly:


How Much Water Has Spread

Larger water losses take longer to dry. If multiple rooms or an entire floor are affected, more time will be needed. Water that has soaked deeply into materials like subfloors or walls will also require extra time and care.


Which Areas Are Affected

Rooms with tight spaces and little ventilation, such as basements, closets, or behind cabinets, tend to hold moisture longer. Open areas like living rooms dry a lot faster due to better airflow.


Type of Damaged Materials 

Different materials dry at different rates:


  • Insulation and drywall water damage could require complete replacement.
  • Carpets and padding can be saved if they’re dried quickly, but might need replacing if mold has started to grow.
  • Hardwood floors also take longer to dry and could warp if the drying process isn’t started soon.


Humidity and Temperature

High indoor humidity slows down water evaporation. Drying also takes longer if temperatures are low. Using professional equipment like dehumidifiers and air movers speeds up the process by improving airflow and controlling moisture.


Type of Water Damage

The dirtier the water, the more complex the cleanup and drying process becomes. There are three categories of water damage that affect the drying process:


  • Clean Water (Category 1): From broken pipes or overflowing sinks and is the easiest to dry.
  • Gray Water (Category 2): From appliances or showers and it may require extra sanitation.
  • Black Water (Category 3): From sewage or flooding, which needs extensive drying, cleaning, and removal of contaminated materials.


How Many Days Does It Take for Water Damage to Fully Dry Out?

Different causes of water damage make every job different. But here’s a general idea of what to expect:


  • 24–48 Hours: This is the time period when the emergency mitigation begins. We extract water and place the drying equipment.
  • 2–5 Days: Most clean water incidents dry out within this range, especially in open areas and with proper equipment.
  • 5–7+ Days: More severe or black water damage, or damage that involves wet drywall, subflooring, or tight spaces, can take a week or longer.


One thing is important to remember: even if it looks dry, moisture can remain deep inside materials. That’s why professionals in our team use moisture meters to check beneath surfaces before calling the job complete.


How ABC Environmental Contracting Services Helps Speed Up Drying

At ABC Environmental Contracting Services, we don’t just remove the water - we make sure your property is completely dry and safe to live in. Our team in St. Louis uses industry-standard drying and dehumidification equipment to restore your home quickly and prevent future problems like mold or bad lingering odors. Here’s how we help:


  • Fast Response: We act quickly to stop the damage from spreading.
  • Advanced Equipment: Our powerful dehumidifiers, air movers, and moisture meters speed up the drying process.
  • Expert Assessments: We track moisture levels and only stop when we’re confident everything is dry.
  • Mold Prevention: Our team applies antimicrobial treatments when needed to stop mold from moisture before it starts.
  • Professional Restoration: After drying, we help restore damaged materials and make your home look like new again.


Contact ABC Environmental for Fast Drying and Restoration in St. Louis!

If you’ve recently experienced water damage, let us help you out immediately! The longer moisture lingers, the more serious the damage becomes. Trust our experts at ABC Environmental Contracting Services to dry your home or business safely and effectively.


Call us today at (314) 668-1509 for professional water damage restoration and drying services in St. Louis and surrounding areas, or fill out this online form to get in touch with us. We’re ready 24/7 to respond to your emergency!

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