How to clean a camping cot (and what the makers actually allow)

Why cot fabric is different from a tent or a chair

A cot deck holds your entire weight in tension across a frame. Chair fabric is doing the same job on a smaller span, and a tent fly is doing no structural job at all. That difference drives everything in this guide: anything that relaxes, shrinks or weakens cot fabric does not just look bad, it changes how the cot carries you.

• Heat and agitation relax the weave. A washing machine, a tumble dryer or hot water can leave a cot deck permanently slacker than it was. A slack deck sags into the frame bars, and then you feel them.
• Chlorine bleach attacks the fibers. It also strips any PU coating. Disc-O-Bed's deck is PU-coated polyester; bleach is the fastest way to ruin that coating and with it the deck's water resistance.
• Pressure washing drives water into the stitching and the tube ends. Water inside a steel leg rusts where you will never see it.
• Sun dries fast and costs you fabric. UV is the single biggest cause of fabric failure on camp furniture. Dry a cot in shade with moving air.

What the makers publish about their own fabric

We read the manufacturer page for every cot we score. Published care instructions are thin across the board, so what follows is the fabric evidence rather than invented instructions — the fabric is what tells you what it will tolerate:

• TETON Sports Outfitter XXL: IronStretch 600D Oxford canvas (the same page's spec block says 600D polyester canvas). Heavy, woven, and the one deck in our registry TETON sells as a replacement part, with a video showing the swap.
• Disc-O-Bed XL: 1200D polyester, PU coated — the heaviest deck fabric we score, and coated, which means it wipes clean better than any bare weave here and should never see bleach or solvent.
• ALPS Mountaineering Ready Lite: 420D polyester honeycomb ripstop, with a two-layer top forming a sleeve for an air pad. Lighter fabric, and ALPS sells the bed replacement.
• Regalo My Cot: waterproof nylon, explicitly described as washable — the only deck in our registry whose maker uses that word, which is exactly what you want on a toddler's cot.
• Coleman (Trailhead II, Pack-Away, ComfortSmart): polyester, denier not published. Coleman Consumer Care also states that its cot canvas and parts are not sold separately, which makes the stakes of over-cleaning a Coleman deck higher than any other cot here.
• REDCAMP Oversized: 600D Oxford, with no published warranty at all and a 30-day return policy.
• Helinox Cot One Convertible: recycled 300D polyester ripstop on the product page, described as 600D polyester on the replacement-sheet page — a contradiction in Helinox's own documents. Helinox does sell the replacement sheet.

The routine clean, step by step

1. Set the cot up fully. Clean it under tension, standing on its legs. A deck cleaned loose dries into creases and you will never get them out.
2. Brush it dry first. A stiff dry brush or a vacuum with the upholstery head takes off the grit, pine needles and sand. Doing this before you add water is the whole difference between cleaning the fabric and grinding abrasive through it.
3. Mix cool water and a little mild soap. A capful of unscented dish soap or a technical fabric wash in a bucket. No bleach, no solvent, no stain remover containing chlorine or an optical brightener.
4. Sponge, do not scrub. Work along the weave in overlapping passes. Scrubbing across a woven deck fluffs the fibers and that is where it eventually tears.
5. Work both faces. The underside collects more than the top, because it faces the ground and nobody ever looks at it.
6. Rinse with a clean damp cloth. Dried soap residue attracts dirt and feels tacky. A hose on a gentle setting is fine; a pressure washer is not.
7. Dry it assembled, in shade, for longer than you think. Twelve hours minimum, moving air, out of direct sun. A deck that feels dry at the surface can still be damp inside the hem and the stitch lines.

Mildew and that smell

Mildew on a cot comes from one mistake: folding it away damp. By the time you can smell it, the spores are established in the hem and the stitching, and the staining they leave is usually permanent even after they are dead. What works:

1. Dry it completely first. Brushing a dry mildewed deck lifts far more off than scrubbing a wet one, and spreads it less.
2. Brush the loose growth off outdoors. Not in the house, and not over a pad you also want to keep.
3. Wash as above with mild soap and cool water. Then rinse and dry fully in shade before judging the result.
4. For the smell rather than the stain, a dedicated technical-fabric mildew treatment or an enzyme cleaner is the right tool, used per its own label. Chlorine bleach will take the color and the coating with the smell.
5. Accept the stain. A dead mildew mark on a 600D canvas deck is cosmetic. If it bothers you and the cot is a TETON, a Disc-O-Bed, an ALPS Ready Lite or a Helinox, the deck is a part you can buy.

The same mistake and the same fix apply to chairs, where we go through the mold case in more detail in how to clean camping chairs.

The frame, hinges and feet

The frame is the part that actually ends a cot, so it deserves more attention than it gets. Several makers publish a rust treatment under the finish — Disc-O-Bed states powder-coated anti-rust steel on the XL and 2XL — and that coating is what you are protecting.

• Wipe the legs and rails with a damp cloth, then dry them. Especially where the fabric sleeve meets the bar, which traps damp grit.
• Invert the cot for a few minutes. Open tube ends hold water. Standing the cot on end drains them.
• Clean the pivot points and discs with a dry brush. Grit in a Disc-O-Bed disc or a TETON pivot arm makes assembly stiff and wears the bearing surface. Do not oil them unless the maker says to; oil holds grit.
• Touch up chips in the powder coat. A chip is a rust start. A dab of enamel on a bare spot costs nothing and buys years.
• Check the feet. Plastic foot plugs split and then the bare tube cuts the tent floor or the carpet. Disc-O-Bed sells foot plugs individually; TETON lists feet and frame caps.

The carry bag and the pad

Two things people clean the cot and then forget. A damp carry bag re-wets a dry cot within a day, and it is the one part that genuinely can go in a machine on a cool cycle. ALPS sells a Table/Cot Replacement Bag if yours is beyond saving.

The pad is a separate cleaning job with separate rules: self-inflating pads get wiped with a damp cloth and dried open and unrolled with the valve open, never machine-washed, and TETON's canvas camp pad has a cover that comes off. The storage half of that is in how to store a self-inflating mattress, and the pads themselves are ranked in best cot pads.

Mouse damage and long storage

A cot stored in a garage or shed for ten months is a nesting site, and the damage is almost always to the fabric rather than the frame. Three habits prevent nearly all of it: store the cot clean, because food residue is what attracts rodents in the first place; store it in a hard container or up off the floor rather than in its own soft bag on concrete; and never store it damp, which is also what makes the fabric palatable.

If it does get chewed, a small hole in a deck is worth patching with a self-adhesive ripstop repair patch on both faces — the same approach as a torn chair seat, covered in how to fix a torn camping chair. A hole at a load-bearing edge or near a sleeve is not patchable, and that is when the parts question matters.

When cleaning is not the answer

Three failures are terminal for the deck and no amount of cleaning helps: a tear at the hem or sleeve, where all the load is; fabric that has gone slack enough to touch a frame bar under your weight; and UV-degraded fabric that tears when you pinch it. At that point the question is whether you can buy a new deck.

The full brand-by-brand picture, including who answers the phone and who does not, is in cot replacement parts.

Cots you can clean, and re-deck