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Can Flood Damaged Hardcover Books Be Saved?

Last updated October 26, 2026

The short answer

Act Quickly but Carefully

When books get wet, time is not on your side. Mold can start growing within 24 to 48 hours, especially in a humid climate like Port St. Lucie. The sooner you start the drying process, the better your chances of saving the books.

First, gently remove the books from the water. Do not pull them apart by the spine, as that can cause further damage. Instead, support each book from underneath. Place them upright on a clean, dry surface, but do not stack them, as the weight can cause pages to stick together.

Initial Drying Steps

Blot excess water from the covers and pages using clean, absorbent towels. Avoid rubbing, as that can damage the paper. Change towels frequently to draw out as much moisture as possible. If the books are extremely wet, you may need to interleave paper towels between pages every few dozen pages to help wick away moisture.

Once you have blotted as much water as you can, place the books in a well-ventilated area. Use fans to circulate air, but do not point them directly at the books, as that can cause pages to curl. Keep the room cool and dry, and avoid direct sunlight, which can fade covers and warp bindings.

Freezing as a Temporary Measure

If you cannot dry the books right away, you can freeze them to halt mold growth and buy time. Place each book in a resealable plastic bag, squeezing out as much air as possible. Then put them in a freezer. Freezing does not dry the books, but it preserves them until you can start the drying process.

When you are ready to dry frozen books, thaw them slowly in the refrigerator, then follow the same blotting and air-drying steps. Be aware that freezing can cause some pages to stick together, but it is often better than letting mold take over.

  • Blot covers and pages with towels
  • Interleave paper towels between pages
  • Use fans for air circulation
  • Keep books out of direct sunlight
  • Freeze to halt mold if needed

Dealing with Mold and Odors

If you notice mold starting to grow, you can carefully brush it off outdoors with a soft brush, wearing a mask to avoid inhaling spores. For musty odors, you can place the books in a sealed container with baking soda for a few days, though this may not remove all smells.

For valuable or irreplaceable books, consider consulting a professional book conservator. They have specialized techniques for drying and cleaning books that can save items you might otherwise lose. If the books are not valuable, you may decide to discard them, especially if mold is widespread.

  • Brush mold outdoors with a mask
  • Use baking soda for odors
  • Consult a book conservator for valuable items
  • Discard heavily moldy books

When to Let Go

Some books will not survive a flood, no matter what you do. If pages are stuck together in a solid block, or if the book has been soaked in sewage or contaminated water, it is safer to throw it away. Health risks from bacteria and mold outweigh the sentimental value.

Also, remember that your home's structure and other belongings need attention. If you have extensive flood damage, focus on the larger cleanup first. You can always try to save books later, but the longer you wait, the less likely they are to be salvageable.

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Frequently asked questions

How long can wet books wait before drying?

Mold can start within 24 to 48 hours, so you should begin drying as soon as possible. If you cannot dry them right away, freeze them to stop mold growth. Acting quickly gives you the right chance of saving the books.

Can I use a hairdryer to speed up drying?

No, a hairdryer can overheat and damage the pages, causing them to curl or become brittle. Use fans to circulate air gently, and keep the books in a cool, dry room. Patience is key to preserving the paper.

What if the books smell musty after drying?

Try placing them in a sealed container with baking soda for a few days to absorb odors. If the smell persists, the books may have mold that needs professional treatment. For valuable books, a conservator can help.

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