How To Store a Memory Foam Mattress: Step‑by‑Step FAQ Guide

If you’re wondering how to store a memory foam mattress without ruining its shape or comfort, you’re not alone. Whether you’re moving, renovating, or making space for a guest bed, proper storage helps keep memory foam supportive and usable for the long term.

This FAQ walks through how to store a memory foam mattress safely, what to avoid, and how long you can reasonably keep it stored.

Why does proper storage matter for memory foam?

Memory foam is designed to contour and slowly bounce back. That same quality makes it more vulnerable to:

Permanent indentations if it’s bent or compressed too long
Tears or cracks if it’s folded sharply in cold conditions
Moisture damage, including mold and odors, if it’s not protected

Storing it correctly helps it retain its shape, comfort, and hygiene so it feels familiar when you use it again.

Can you store a memory foam mattress upright?

You generally should not store a memory foam mattress upright for long periods.

Short-term (a few days to a couple of weeks) in an upright position is usually fine for moving or temporary space-saving.
Long-term upright storage can cause the foam to sag or slump downward, leading to uneven support.

For best results, store your memory foam mattress flat and fully supported, ideally on the floor or a solid platform.

What’s the best way to store a memory foam mattress?

Here’s a simple step‑by‑step process for how to store a memory foam mattress safely:

1. Clean and dry the mattress first

Vacuum the surface to remove dust and debris.
Spot clean any stains with a mild solution and let it dry completely.
Never store a mattress that still feels damp, as this can trap moisture and cause odors.

2. Use a protective cover or bag

Slip the mattress into a mattress storage bag or a thick plastic cover.
Seal the opening with tape to keep out dust, pests, and moisture.
Avoid wrapping it in thin plastic that easily tears.

3. Decide: compress or store at full size

If you still have the original packaging or a vacuum bag designed for mattresses, light compression can save space. However:

Once heavily compressed, some mattresses may not return exactly to their original feel.
Do not try to fold or tightly roll a mattress that wasn’t designed for it, especially if it has a thick foam core.

If in doubt, store it flat, uncompressed.

Should you fold or roll a memory foam mattress?

Folding: Not recommended. Sharp folds can cause cracking or permanent creases in the foam.
Rolling: Light rolling may be possible for thinner memory foam mattresses, but many full-size models are not designed for it.

If you must roll it:

Roll it gently from the head to the foot, not side to side.
Avoid tying it too tightly or using straps that cut into the foam.
Try to unroll it as soon as realistically possible.

When possible, keep the mattress flat instead of folded or rolled.

Where should you store a memory foam mattress?

The storage environment matters almost as much as the way you wrap it. Aim for:

Cool, dry, and well‑ventilated spaces
Away from direct sunlight, which can degrade some foams and fabrics
Off damp floors like concrete; use a tarp, mat, or platform underneath

Avoid:

Uninsulated sheds or garages with extreme temperature swings
Areas prone to leaks, humidity, or pests

How long can you store a memory foam mattress?

There’s no universal time limit, but these guidelines are helpful:

Short term (a few weeks to a couple of months): Generally low risk if kept flat, clean, and dry.
Medium term (several months): Still possible, but pay attention to conditions and check occasionally.
Long term (a year or more): The mattress may still be usable, but there’s a higher chance of compression marks, odor buildup, or material aging.

If heavily compressed in a vacuum‑sealed bag, avoid leaving it that way longer than necessary. The longer it stays compressed, the harder it may be to regain full loft.

What should you do when you take it out of storage?

When you’re ready to use your mattress again:

Carefully remove the cover or bag to avoid cutting the fabric.
Let it fully expand on a flat surface; this may take several hours or longer, especially if it was compressed.
Allow it to air out before making the bed, which can help reduce any stored or plastic-like smells.
Check for visible damage, sagging, or uneven areas before regular use.

✅ Quick Mattress Takeaways

Key points consumers should understand about How To Store a Memory Foam Mattress

Store flat when possible: Long‑term upright or folded storage can cause sagging and creases.
Keep it clean and dry: Vacuum, spot clean, and fully dry before wrapping.
Use a protective cover: A sturdy, sealed bag helps prevent dust, moisture, and pests.
Avoid sharp folds: Memory foam can crack if bent too tightly, especially in cold conditions.
Choose the right environment: Cool, dry, and out of direct sun is best.
Limit compression time: If vacuum‑sealed or tightly rolled, don’t leave it compressed longer than needed.
Give it time to recover: After storage, allow the mattress to expand and air out before sleeping on it.

Handled with a bit of care and planning, learning how to store a memory foam mattress can help you preserve both its comfort and lifespan, so it’s ready whenever you need it again.