Water Damage Restoration Process: The Steps Pros Follow From Extraction to Dry

How we made this guide: picks, prices and specs come from our catalog and the makers' published specs, owner quotes come from customer reviews on our product pages and every guide is checked and edited by Trevor Hall.

The water damage restoration process runs in a fixed order: inspect the loss and find where the moisture stops, set the water's category and class, extract the standing water, remove what cannot be dried, set air movers and dehumidifiers, then record readings every day. Pros stop only when each material reaches its drying goal, set from a dry standard: a reading of the same material in an unaffected part of the building.

Most jobs take several days, and the number depends on the materials, the class of the loss and the equipment on site. Speed matters at the start: EPA's mold and moisture guide advises drying wet areas and items within 24 to 48 hours. A small clean-water leak is a job an owner can handle with the right gear, while contaminated water or soaked structure is contractor work. The steps below show what each stage needs, the decision behind it and the gear we carry for it.

The steps at a glance

Step 1: Inspect and find the moisture edge

Before anyone steps into standing water, make sure the water source is stopped and the power to the wet area is off. Then find every wet surface, not just the visible ones: water wicks up drywall and runs under flooring. A thermal camera shows temperature patterns across a wall or floor, and a wet area often reads differently from a dry one. A camera does not measure moisture, so confirm each suspect spot with a meter.

The Teledyne FLIR E8 Pro lists a 320 x 240 sensor (76,800 pixels), thermal sensitivity under 0.04°C and a 640 x 480 touchscreen for notes on each image. Browse all of our thermal imagers if you want a different resolution.

Next, confirm with a moisture meter. A pinless meter reads through the surface without making holes, so you can sweep a room and mark the wet boundary with tape or a marker.

The Tramex ME5 is non-invasive and lists a shallow range up to 3/8 in and a deep range up to 1 1/4 in. It lists wood, drywall, plaster, tile and masonry as compatible materials. It weighs 8.4 oz. One owner review on our product page:

“Great moisture tool for a many different requirements. It's pricey, but in the end, it produces a consistent result, which is important depending upon the reason for purchase (such as a business).”

Tramex ME5 owner · 5 out of 5 stars

Compare more pinless and pin models in our moisture meters. For how to compare pin and pinless tools, read pin vs pinless moisture meters. For what the numbers mean, see the moisture meter readings chart.

Step 2: Set the category and class

Every loss gets a category for the water source and a class for how much material is wet, and those two labels decide the scope of work. The ANSI/IICRC S500 standard for professional water damage restoration (5th edition, 2021, now under revision) covers inspections, preliminary determinations and pre-restoration evaluations, along with psychrometry and drying technology, according to IICRC's own S500 page. The standard assumes the property owner is responsible for finding and correcting the water source, though the owner may hire the restorer or a specialist for it.

In short, the category (1 to 3) rates how contaminated the water is, and the class (1 to 4) rates how much material is wet and how hard it will be to dry. S500 (2021) treats Category 3 as grossly contaminated water that can carry harmful agents, with sewage and river flooding among its examples. In section 10.6.7 it lets restorers proceed without contamination controls only for Category 1; Category 2 or 3 calls for contamination controls and worker protection first. Our Category 3 water damage explainer lays out every category and class in one table. Sewage and other contaminated water change the whole job, so read sewage backup cleanup before you touch it.

Step 3: Extract standing water

Remove free water first. Air movers and dehumidifiers dry surfaces and air, so they work far better once the puddles are gone. Pick up the free water first, then extract what the carpet and pad still hold.

The Mytee 7000LX Flood Hog lists a 66 GPM pump-out, a 12 gal recovery tank, dual LX vacuums at 182 in of water lift and up to 250 CFM. Its two 50 ft cords draw 18 A and 13 A at 115 V. Mytee's 7000LX manual says each cord needs its own grounded 20 amp outlet; with one 20 amp outlet, the primary cord alone runs one vacuum and the pump-out. The 66 GPM figure is the auto pump-out that empties the recovery tank through a 25 ft hose to a drain. Mytee's manual pairs a flood wand with shallow water and a stand-on tool or bare vacuum hose with heavier flooding. Plan for two people on stairs at 120 lb listed (124 lbs in the manual). It is among our best-selling extractors. It has no solution pump, so it removes water but does not wash anything. Skip it if your jobs are carpet cleaning only; see the flood extractors page and our shop vac for water guide for smaller jobs.

For a basement-specific walkthrough, see flooded basement cleanup. For carpet and pad, see how to dry wet carpet.

Step 4: Remove what cannot be dried

Some materials take less work to remove than to dry. The category from step 2 drives it: contaminated water usually means porous materials come out, while clean water often allows drying in place. Your contract, insurer and local rules also play a part. If the room is part of a larger tear-out, dust and containment matter; see mold remediation equipment for the barrier and negative air gear.

Step 5: Dry with air movers and dehumidifiers

Drying has two jobs: air movers push air across wet surfaces so the water evaporates, and dehumidifiers pull that water out of the air so it can be drained away. Without the dehumidifier, the moisture just moves into the air and settles elsewhere.

The XPOWER X-830H lists a rated airflow of 3,600 CFM, 3 speeds, 8.5 A on a 25 ft cord and a weight of 28.5 lb. It is stackable and carries ETL and CETL safety marks. Skip it if you need a low-profile unit for tight spaces. Our air mover vs fan post explains axial and centrifugal designs, and the older guide on air mover placement for drying covers layout. See every size and style in our air movers.

The Ebac RM4500 is listed at 150 pints per day, and the listing gives no rating condition, so we do not compare it with AHAM figures. It also lists 12 A, a 410 CFM maximum, a 37°F lowest operating temperature, a weight of 172 lb and an internal condensate pump with a 25.6 ft drain hose. The listing marks it as a conventional refrigerant unit, not LGR. Skip it if the job needs an LGR unit or one person has to carry 172 lb up stairs. See dehumidifiers for water damage and how a dehumidifier works.

How many machines you need is a sizing question that depends on the class of the loss, the room volume and the equipment ratings. Rather than guess, work it from the makers' ratings and your readings, and adjust after day one. Our dehumidifier sizing chart shows the arithmetic with its inputs.

Power plan: our calculation from the listed amps

Our calculation adds the listed draws; check the breaker size and what else shares each circuit.

Notes by job size

• A small clean-water leak: an extractor, an air mover or two, a dehumidifier and a meter.
• A flooded basement: read flooded basement cleanup.
• Category 2 or 3 water: contractor work; see sewage backup cleanup.

Step 6: Monitor and log daily

Drying is measured, not assumed. Take readings at the same marked points at about the same time every day and write them down.

Air readings can be turned into grains per pound and dew point; see how to read a psychrometric chart for the method.

Step 7: Confirm the dry goal

The job ends when every material meets its dry goal, not when a set number of days has passed. Recheck framing and anything that was hard to dry before you pull the last machine. If one point stalls, check for a missed wet cavity with the thermal camera before adding more equipment.

Step 8: Repair and rebuild

Once every material meets its dry goal, repairs start: new drywall, insulation, flooring and paint where material came out in step 4. Some firms rebuild in-house and others hand it to a general contractor. This phase adds its own time.

Common mistakes

• Starting the fans before the standing water is out.
• Running air movers with no dehumidifier in a closed room.
• Skipping the daily log, so nobody knows whether the job is drying.
• Pulling equipment on a calendar date instead of on readings.
• Treating contaminated water like clean water.

Frequently asked questions

How long does restoration take after water damage?

Most dry-outs take several days, set by the materials, how far the water spread and how many machines are running. Start fast, since EPA advises drying within 24 to 48 hours. Repairs come after the dry-out and add their own time. Daily readings, not the calendar, tell you when drying is done.

Is water restoration worth it?

Drying wet materials in place is often less work than replacing them. Whether a material is worth saving depends on its category, class and cost, so decide room by room.

Can I do water restoration myself?

Small, clean-water jobs are within reach if you have the right gear: an extractor, air movers, a dehumidifier and a moisture meter. Category 2 or 3 water, or water that has soaked into walls and structure, should go to a professional restoration contractor. EPA advises calling a professional when sewage or other contaminated water caused the damage.

What does water damage restoration consist of?

It starts with stopping the water and making the area safe, then inspection, classifying the water, extraction, removing or cleaning what cannot be dried, structural drying with air movers and dehumidifiers and daily readings until every material reaches its dry goal. Repairs such as new drywall, flooring and paint come last.

Do I need a thermal camera?

No, a moisture meter alone can find and track wet areas. A camera speeds up the survey and helps you spot hidden wet cavities, and you still confirm with a meter.

Related guides

• Category 3 Water Damage, Explained: The IICRC S500 Categories and Classes in One Table
• Dehumidifiers for Water Damage: LGR vs Conventional vs Desiccant and How Many You Need
• Flooded Basement Cleanup: How to Pump, Extract and Dry It Out
• How to Read a Psychrometric Chart for Water Damage: GPP, Dew Point, Grain Depression