The short answer
When Drying Makes Sense
A mattress that got wet from a clean source, like a spilled glass of water, can often be saved. The key is to act quickly. Blot up as much water as you can with towels, then move the mattress to a dry, well-ventilated area.
You can use fans or a dehumidifier to speed up the drying process. In a semi-arid climate with cold snowy winters and hot dry summers, outdoor drying works well in warm months. If the mattress is only damp, not soaked, and dries completely within 24 hours, it may be safe to keep.
- Blot, do not rub, to avoid pushing water deeper
- Use a wet vacuum if you have one
- Prop the mattress on its side for airflow
- Place fans to circulate air around and under
- Check for any lingering odor after drying
When to Toss the Mattress
Toss the mattress if the water was from a toilet, sewage backup, or flood. These waters carry bacteria and contaminants that can make you sick. Also toss it if the mattress has been wet for more than 24 to 48 hours, as mold can start growing inside.
If you see visible mold, dark spots, or a musty smell that will not go away, do not try to save it. The inner layers are nearly impossible to clean fully. A mattress that is sagging or has stained padding should go too, even if it looks dry on the surface.
- Water from a toilet or flood always means toss
- Any sign of mold means toss
- Wet for more than two days means toss
- Strong musty odor after drying means toss
- If you have asthma or allergies, be extra cautious
How to Dry a Mattress Safely
First, strip all bedding and wash it in hot water. Then, blot the mattress with clean towels to remove as much moisture as possible. If the mattress is on a bed frame, move it to a flat, dry surface or outside on a sunny day.
Use fans, a dehumidifier, or an air conditioner to keep air moving. Turn the mattress on its side and then flip it after a few hours so both sides dry. Do not put the mattress back on the bed until it is completely dry to the touch, including the middle layers.
- Wash all sheets and blankets right away
- Use a wet vacuum to pull out water
- Place fans to blow across the surface
- Run a dehumidifier in the room
- Check the middle by pressing down; it should feel dry
Signs the Mattress Is Not Worth Saving
If the mattress has a strong odor that persists after drying, that is a red flag. The smell usually means bacteria or mold is growing in the foam or springs. Also, if the mattress is heavily stained or the fabric is separating, the structure may be ruined.
Consider the cost of a new mattress versus the effort of drying. If the mattress is old or already worn, replacing it is often the better choice. Your health matters more than saving a few dollars, especially if you have children or sleep on it every night.
When to Call the Pros
If the mattress is large, like a king or queen, or if the water damage is extensive, the pros can help with structural drying and dehumidification. They have industrial equipment that can dry out thick materials more thoroughly than household fans.
Local water damage pros can also inspect for hidden moisture and mold. If you are unsure whether the mattress is safe, a professional moisture mapping service can detect damp areas you might miss. This is especially useful after a major leak or flood.
If the mattress is beyond saving, the pros can help with removal and disposal as part of a larger cleanup. They can also check the rest of your bedroom for water damage to walls, flooring, and insulation that may need attention.
- Large or heavy mattresses are hard to dry alone
- Hidden moisture can lead to mold
- Professionals use industrial dehumidifiers
- They can check for damage to other parts of the room
- If in doubt, ask for an inspection
Water damage does not wait
Phones are answered 24/7 for Orem and nearby communities.
Call Now (801) 876-1119Frequently asked questions
How long does it take to dry a wet mattress?
It depends on how wet the mattress is and the airflow. A damp spot may dry in a day, but a soaked mattress can take several days. Always wait until the center is dry, not just the surface, to avoid mold.
Can I use a hair dryer to dry a mattress?
A hair dryer can work on a small damp spot, but it is not effective for large areas. It may also overheat the fabric or foam. Use fans and a dehumidifier instead for safer, more even drying.
What if the mattress has a waterproof cover?
If the waterproof cover kept the water out, the mattress may be fine. Remove the cover and dry it separately. Check the mattress for any dampness. If water got inside, follow the same drying steps or consider replacing it.