Furniture is one of the most common things people store — and one of the most commonly damaged. The two biggest threats are moisture and improper stacking. A couch left without a cover can develop mold. A wood table stored directly on a concrete floor can warp. Legs snapped off from boxes stacked on top of a dresser are an avoidable loss.
The good news: protecting your furniture properly doesn't require much time or expensive materials. Here's exactly what to do before you move anything into storage.
Step 1: Clean Everything Before It Goes In
Whatever condition your furniture is in when it goes into storage is the condition it will stay in — or worse. Dirt, crumbs, and moisture left on surfaces attract pests and cause stains to set permanently.
- Vacuum fabric furniture thoroughly, including under cushions and in crevices
- Wipe down wood, metal, and hard surfaces with a mild cleaner
- For leather, use a leather conditioner before storing to prevent cracking
- Let everything dry completely — storing damp furniture is the fastest way to create a mold problem
Step 2: Disassemble What You Can
Taking furniture apart saves space, reduces the risk of damage during the move, and makes loading significantly easier.
- Remove table legs, bed frames, and detachable shelves
- Keep all screws, bolts, and hardware in a labeled zip-lock bag taped to the piece it belongs to
- Wrap disassembled parts individually so they don't scratch each other in transit
Step 3: Use the Right Covers
This is where most people make a costly mistake: wrapping furniture in plastic. Plastic sheeting traps moisture against the surface, which leads directly to mold and mildew — especially in storage units that experience any temperature fluctuation.
Use instead:
- Moving blankets for sofas, chairs, and wood furniture
- Cloth furniture covers for dressers, tables, and bed frames
- Mattress bags (fabric, not plastic) for mattresses and box springs
- Bubble wrap or cardboard corners for fragile edges and glass surfaces
Plastic is acceptable for very short-term protection during the move itself — not for weeks or months in storage.
Step 4: Elevate Everything Off the Floor
Concrete floors in storage units can transfer moisture, especially during temperature changes. Even a dry unit can have condensation on the floor.
Place furniture on wooden pallets, plastic risers, or even a layer of cardboard to create a barrier between your items and the floor. This is a small step that prevents a common problem.
Step 5: Stack Smart
Stacking boxes directly on upholstered furniture — sofas, chairs, mattresses — causes compression damage over time. Cushions flatten, frames bend, and fabric wears unevenly.
- Never stack heavy boxes on soft surfaces
- Use sturdy plastic bins rather than cardboard boxes when stacking on hard furniture
- Place heavier items on the bottom, lighter items on top
- Leave a walkway through the center of your unit so you can access items without moving everything
Material-Specific Storage Tips
Different materials have different vulnerabilities. Here's what to watch for:
Wood furniture is the most sensitive to temperature and humidity changes. Wood expands and contracts with moisture, which causes warping, cracking, and joint loosening over time. Apply a wood conditioner or furniture polish before storing, and opt for a climate-controlled unit if storing long-term.
Leather furniture dries out and cracks in low-humidity environments and develops mold in high-humidity ones. Clean with a leather cleaner, condition thoroughly, and cover with a breathable cloth cover — never plastic. Climate-controlled storage is strongly recommended for leather.
Upholstered fabric furniture is highly susceptible to mold, mildew, and odors from trapped moisture. Make sure pieces are completely dry before storing, use breathable covers, and consider a climate-controlled unit for anything stored longer than a few months.
Glass and mirrors should be stored vertically, never flat. Lay them flat and the weight distribution increases the risk of cracking. Wrap in moving blankets, mark clearly as fragile, and store upright against a wall.
Metal furniture is the most forgiving — it handles temperature and humidity better than wood or fabric. The main risk is rust in very humid environments. Wipe down metal surfaces and consider a light coat of WD-40 on exposed metal before long-term storage.
Do You Need Climate-Controlled Storage for Furniture?
For short-term storage (a few weeks during a move), a standard unit is usually fine. For anything longer — or for wood, leather, or fabric furniture — climate-controlled storage is worth the extra cost.
Climate-controlled units maintain stable temperature and humidity year-round, which prevents the warping, cracking, mold, and mildew that standard units can't always avoid in extreme seasons.
Bolt Storage offers climate-controlled units at many locations. Learn more about climate-controlled storage.
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