6th Nov 2026
Winter storage is when a small amount of trapped salt or moisture can become cylinder corrosion, mould, false activation or material damage. Life jackets should therefore be cleaned, dried and inspected before they disappear into a locker for several months.
The correct method depends on whether the product is foam or inflatable and on its firing system. This guide provides a safe framework while keeping the manufacturer manual as the controlling instruction.
Always start with the product manual
Cleaning methods differ between inflatable bladders, outer covers, foam products, lights and firing systems. Remove components only where the manufacturer instructs you to do so. Do not immerse an armed automatic life jacket unless the instructions expressly permit it.
Contents
- Direct answer and winter checklist
- Before cleaning
- Cleaning an inflatable life jacket
- Cleaning foam life jackets and buoyancy aids
- Drying correctly
- Where and how to store life jackets
- Winter component checks
- Mould, fuel and chemical contamination
- Spring recommissioning
- Common storage mistakes
- Frequently asked questions
- Technical references
How should life jackets be cleaned and stored over winter?
Rinse salt and ordinary dirt using the method approved for the exact product, clean gently with fresh water and mild soap where permitted, and let the jacket dry completely in a shaded, well-ventilated area. Store it dry, uncompressed and away from heat, sunlight, fuel, oil, chemicals, damp and sharp equipment. Inspect the bladder or foam, webbing, buckle, cylinder, inflator and dated accessories before storage and again before use.
Do not machine wash, tumble dry, pressure wash, bleach, dry-clean or apply solvents unless the manufacturer specifically authorises the process. An automatic inflatable jacket may need its capsule removed before controlled washing, but this is product-specific. Re-arm it fully before returning it to ready storage.
| Stage | Essential action | Do not |
|---|---|---|
| After final use | Rinse salt, mud and perspiration promptly using the manual. | Leave it wet in a locker or plastic bag. |
| Cleaning | Use fresh water and approved mild cleaning method. | Use bleach, solvents, aggressive detergent or pressure washing. |
| Drying | Air dry completely, opened out, away from direct heat. | Use a radiator, tumble dryer, hair dryer or strong sunlight. |
| Inspection | Check cover, bladder/foam, webbing, buckle, inflator, cylinder and accessories. | Assume a jacket is sound because it did not inflate. |
| Storage | Keep dry, ventilated, accessible and free from compression. | Store beneath sails, tools, batteries, fuel cans or heavy equipment. |
| Spring return | Complete the pre-wear check and confirm all indicators are ready. | Launch with expired components or an incomplete service history. |
Replace dated or used inflation components with an exact match
Browse automatic, manual, Hammar and brand-specific re-arming components. Confirm the model, inflator and gas mass before ordering.
Before cleaning
- Identify the product. Find the manufacturer, model, approval label and manual.
- Determine whether it is foam or inflatable. Inflatable systems require extra care around the cylinder and firing head.
- Check whether the cover separates from the bladder. Do not force open seams, zips or closures not intended for owner access.
- Read the cleaning instruction. Note permitted soap, water temperature, immersion limits and component removal.
- Quarantine serious contamination. Fuel, solvent, battery acid, paint, sewage or unknown chemicals need manufacturer advice before ordinary cleaning.
- Photograph the packed arrangement. This can support the manual when repacking, but it does not replace the stated folding sequence.
If the jacket is commercial, coded or part of a managed fleet, check whether owner cleaning is permitted within the service system. Record defects and keep the item out of issue until it has passed inspection.
Cleaning an inflatable life jacket
Routine fresh-water rinse
Salt attracts moisture and can encourage corrosion around the CO2 cylinder and inflation head. After exposure to spray, rinse the outer cover as directed and wipe around accessible hardware. Avoid flooding an armed water-activated mechanism. Some manuals instruct the owner to remove the automatic capsule before washing; others use a different process. Follow the exact inflator instruction.
Hand cleaning
Crewsaver care guidance permits hand cleaning with warm soapy water for relevant products and states that life jackets should not be placed in a washing machine, spun or tumble dried. Use a soft cloth or non-abrasive brush. Avoid scrubbing reflective tape, windows, stitching, oral valves and bladder coatings aggressively.
If the outer cover can be removed under the manual, keep track of every attachment, light lead, hood, whistle and pull toggle. Never detach a structural component because it makes washing easier. Do not lubricate the inflator or oral valve unless a specified product and procedure are provided.
After an inflation
A deployed jacket needs more than cosmetic cleaning. Deflate it through the oral valve as instructed, rinse salt or contamination, dry completely, inspect the bladder and mechanism, and fit the correct re-arming components. The cylinder may look unused after an automatic firing but can be pierced. Indicators must return to the ready colour or configuration before repacking.
Do not use the oral valve as a shortcut for CO2 inflation testing
Repeated CO2 inflation can chill and stress the bladder and requires a new cylinder. Routine leak testing is normally performed orally or with service equipment in the manner specified by the manufacturer.
Cleaning foam life jackets and buoyancy aids
Foam products can often be hand washed more simply, but the label still controls. Rinse salt, remove surface dirt gently and allow water to drain from the cover and foam channels. Avoid prolonged soaking if the manufacturer prohibits it. Do not twist, wring or fold the foam sharply.
Check that foam panels have not shifted, compressed or become lumpy. Inspect zip teeth, buckles, side-adjustment straps, shoulder seams and crotch straps. Watersports products can collect sunscreen, body oils and sand, all of which should be removed before long storage.
A foam life jacket that smells musty after complete drying may have contamination inside the cover. Do not mask the smell with fragrance or disinfectant. Ask the manufacturer whether the product can be cleaned safely; replace it if mould, chemical attack or foam degradation remains.
Drying correctly
Drying is as important as washing. Damp retained around an automatic element can cause false activation, and prolonged moisture can corrode the cylinder, grow mould and weaken materials. Open the cover where instructed, separate folds, extend straps and hang or lay the product in a ventilated location.
- Choose shade with moving air rather than intense sun.
- Keep away from radiators, heaters, boilers, exhausts and hot engine spaces.
- Allow hidden areas around the neck, inflator, waist belt and foam panels to dry.
- Do not repack an inflatable bladder until both sides and the outer cover are fully dry.
- Do not reinstall a moisture-sensitive automatic element until the equipment is dry and the manual permits reassembly.
- Confirm that reflective tape, light leads and hood attachment points have not peeled or distorted.
Temperature changes can alter pressure during a bladder leak test. Carry out the test in a reasonably stable environment and interpret firmness using the manufacturer procedure, not an arbitrary pressure added by hand.
Where and how to store life jackets
The ideal storage location is dry, cool, ventilated, clean and protected from ultraviolet light. The jackets should remain accessible for inspection and should not be crushed. Hanging can be suitable where the manufacturer permits it and the hanger does not distort the collar or load a light attachment. A shelf or ventilated container can also work if products lie naturally and are not stacked under weight.
| Location | Assessment | Reason |
|---|---|---|
| Dry indoor cupboard with ventilation | Usually suitable. | Stable temperature, low contamination and easy inspection. |
| Boat locker that remains genuinely dry | Potentially suitable with regular checks. | Convenient, but condensation and leaks can develop unnoticed. |
| Sealed plastic bag | Poor for long-term storage unless a manufacturer specifies a system. | Traps residual moisture and hides corrosion or mould. |
| Hot car, conservatory or direct sunlight | Unsuitable. | Heat and UV accelerate ageing of fabric, foam, coatings and cylinders. |
| Engine bay, fuel locker or paint store | Unsuitable. | Heat, vapour, oil and chemicals can contaminate safety equipment. |
| Under heavy sails, tools or anchors | Unsuitable. | Compression, puncture and hidden damage are likely. |
| Damp garage or unheated locker against an outside wall | High risk. | Condensation and mould may develop during temperature cycles. |
Do not deliberately discharge or disarm an inflatable jacket for normal winter storage unless the manufacturer says to do so. A serviceable life jacket should ordinarily return to a fully armed, ready state after drying and inspection. Store removed cylinders and automatic elements only as directed and never leave an apparently ready jacket with essential components missing.
Winter component checks
| Component | Check | Winter action |
|---|---|---|
| CO2 cylinder | Correct gas mass and thread, intact seal, secure fit, no corrosion or deep abrasion. | Replace suspect cylinders with the exact approved specification. |
| Automatic element | Correct model, ready indicator and valid replace-by date. | Replace expired or damp components; do not mix inflator families. |
| Manual pull system | Toggle accessible, cord correctly routed and lever reset. | Correct any packing obstruction before storage. |
| Bladder | No cut, abrasion, delamination, tackiness or leak. | Complete the prescribed leak test or professional service. |
| Oral valve | Cap and non-return function sound. | Follow the manual test; replace only through approved service. |
| Life jacket light | Expiry, casing, lead and attachment. | Replace expired or damaged approved light. |
| Spray hood | Clear panel, fabric, elastic and attachment. | Clean as permitted and replace degraded hood. |
| Webbing and buckle | No fray, UV damage, chemical contamination or slipping. | Remove from service if structural integrity is doubtful. |
| Crotch straps | Present, correctly routed and compatible. | Replace damaged or missing straps before use. |
Use the inflatable life jacket inspection checklist and record the result. Winter is also the best time to send jackets for professional servicing because defects can be addressed before spring demand.
Mould, fuel and chemical contamination
Surface mildew is not just a cosmetic issue. It indicates that the product was stored damp and may coexist with hidden corrosion or material attack. Do not use chlorine bleach, strong mould remover or solvent without explicit manufacturer approval. These products can damage polyurethane coatings, webbing and foam while leaving the exterior looking clean.
Fuel, oil, battery acid, paint thinners, pesticides and unknown chemicals warrant particular caution. Isolate the product, avoid skin exposure, record the contaminant and contact the manufacturer or authorised service centre. If safe decontamination and performance cannot be confirmed, replacement is the responsible decision.
Spring recommissioning checklist
- Confirm identity and service status. Check the label, serial number, last service and next due date.
- Inspect the complete exterior. Look for mould, rodents, abrasion, UV fading, cuts and compression.
- Open inflatable jackets. Check the bladder, cylinder, inflator indicators, oral valve and manual pull system.
- Verify dated components. Replace expired automatic elements and lights with exact approved parts.
- Complete the prescribed leak test. Use the manual or authorised service route.
- Check fit on the actual wearer. Clothing and body measurements may have changed over winter.
- Repack exactly. Keep the pull toggle visible, hood and light correctly positioned, and closures free from trapped bladder material.
- Brief the crew. Demonstrate buckles, crotch straps, manual inflation, hood and light before departure.
For a replacement jacket or changed wearer, use the adult life jacket fitting guide. A product can pass maintenance checks yet still be unsafe if it is too loose or unsuitable for current clothing.
Common cleaning and storage mistakes
- Putting an automatic life jacket in a washing machine.
- Soaking an armed water-activated inflator without checking the manual.
- Drying on a radiator or in strong sunlight.
- Repacking while the bladder or cover remains damp.
- Leaving a removed capsule or cylinder off the jacket for months without a clear quarantine label.
- Storing jackets in a sealed wet bag or compressed beneath equipment.
- Using bleach, solvent, waterproofing spray or silicone on unapproved areas.
- Ignoring mild cylinder corrosion because the jacket has not inflated.
- Assuming a winter rinse replaces a scheduled professional service.
- Returning a jacket to the boat without a spring fit and readiness check.
Frequently asked questions
Can life jackets go in a washing machine?
Normally no. Manufacturer guidance commonly prohibits machine washing, spinning and tumble drying because they can damage foam, bladders, coatings, webbing and mechanisms. Use the exact label and manual.
Can I wash an automatic life jacket with the cylinder attached?
Only follow the model-specific instruction. Some procedures require removal of the automatic capsule or other components to prevent activation, while others specify controlled surface cleaning. Do not guess.
Should I store an inflatable life jacket with the CO2 cylinder fitted?
After cleaning and inspection, it should ordinarily be fully re-armed and ready unless the manufacturer gives a different storage instruction. Never let a disarmed jacket appear serviceable.
Can I dry a life jacket on a radiator?
No. Direct heat can degrade foam, fabric, coatings, seals and inflation components. Air dry naturally in a ventilated, shaded location.
How do I remove mould from a life jacket?
Use only the cleaning method approved by the manufacturer. Strong mould treatments and bleach can damage safety-critical materials. Persistent or internal mould may require replacement.
Should life jackets stay on the boat all winter?
Only if the storage area remains dry, ventilated, temperature-appropriate and free from contamination and compression. Indoor storage often makes inspection and moisture control easier.


