The short answer
Remove Standing Water First
Begin by soaking up any standing water with old towels, a mop, or a wet vacuum. Work from the top step down so you are not pushing water into lower areas. If the water is dirty or from a flood, wear rubber gloves and boots to protect your skin.
After you remove the visible water, check the treads and risers for dampness. Press your fingers into the wood to feel for moisture. Pay close attention to the corners where the steps meet the stringers, because water tends to collect there. The sooner you get the surface dry, the less chance the wood will swell or split.
Set Up Airflow and Dehumidifiers
Once the standing water is gone, aim box fans or a portable fan at the stairs to keep air moving across the surfaces. Open windows nearby if the weather allows, but avoid opening them if the outdoor humidity is higher than the indoor level. A dehumidifier in the room helps pull moisture out of the air and the wood.
If you have a crawlspace or basement below the stairs, check that area too. Wet wood can wick moisture upward, so the underside of the stairs may be damp even if the top looks dry. Place a dehumidifier in that space as well, and run it until the wood feels dry to the touch, which can take several days.
- Use a moisture meter to track drying progress
- Keep fans running for at least 24 to 48 hours
- Empty the dehumidifier reservoir regularly
- Move furniture away from the stairs to improve airflow
- Check the wood daily for soft spots or dark stains
Handle Carpeted Stairs Carefully
If your stairs are carpeted, pull up the carpet and padding as soon as possible. Wet carpet holds moisture against the wood, which can cause warping and mold. Use a pry bar or pliers to remove the tack strips, and set the carpet aside to dry or toss it if it is badly soiled.
After the carpet is off, dry the bare wood using the same fan and dehumidifier setup. Inspect the tack strips for rust and replace them if needed. If the carpet is in good condition, you can dry it in a well-ventilated area, but note that padding often stays damp and may need replacing.
Know When to Call the Pros
Some stair damage goes beyond what a homeowner can fix. If the wood feels soft, crumbles, or shows dark water stains, the structural integrity may be compromised. A water damage pro can assess the extent of the damage and determine if any steps need to be rebuilt.
If the water came from a sewage backup or contained chemicals, do not attempt to clean it yourself. That situation requires professional handling for safety. Also, if you notice a musty smell that persists after drying, call a mold professional to check for hidden growth behind the walls or under the stairs.
Prevent Future Stair Water Damage
To avoid repeating this problem, check the source of the water. If the stairs got wet from a leaky roof, have a roofer inspect the flashing and shingles. If the leak came from a pipe, find the shutoff valve and know its location. If you live in Layton, keep your shutoff valve location written down.
Consider applying a water repellent sealant to the wood stairs after they are fully dry, but only if the wood is bare and not painted. For carpeted stairs, use a moisture barrier under the padding. Regularly inspect the area for signs of dampness, especially after heavy rain or snowmelt.
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Call Now (801) 383-0232Frequently asked questions
How long does it take for wet stairs to dry?
Drying time depends on the amount of water, the wood type, and airflow. With fans and a dehumidifier, surface moisture may dry in a few days, but deeper saturation can take a week or more. Check with a moisture meter to be sure.
Can I use a hair dryer to dry the stairs?
A hair dryer is not effective for large areas and can overheat the wood, causing cracks. Use box fans and a dehumidifier instead. Those tools move more air and pull moisture out slowly, which is safer for the wood.
Will my stairs need to be replaced after getting wet?
Not always. If the wood dries without warping or rotting, you may only need to sand and refinish. But if the wood is soft or shows deep cracks, a pro should inspect it. The decision depends on the extent of the water damage.