How do I make my ski jacket waterproof again?
Noah Mitchell
Published Jan 12, 2026
Here's how to clean.
- Check the pockets. ...
- Place jacket(s) in washing machine. ...
- Add Nikwax Tech Wash. ...
- Sit back with a good book and a glass of wine/beer/hot cocoa as the machine runs its course.
- More often than not, this single cycle will be enough to have revitalized your jacket.
How do you reactivate a waterproof jacket?
Machine wash your garment as described in the wash instructions. Line dry your garment or tumble dry it on a warm, gentle cycle. Once it is dry, tumble dry your garment for 20 minutes to reactivate the durable water-repellent (DWR) treatment on the outer fabric.
Do waterproof coats lose their waterproof?
Over time, rain jackets can lose their water-repellency. Waterproofing doesn't last forever. Whether from rubbing against a dirty car while packing up groceries, or a muddy dog wanting snuggles, a dirty jacket will stop repelling water.
How do I reproof My Gore Tex jacket?
GORE-TEX Outerwear
- Machine washing then drying your garment is the most effective way to restore the water repellency of your jackets and other outwear. ...
- Once it's dry, tumble dry your garment for a further 20 minutes—this will reactivate the durable water-repellent (DWR) treatment.
Can you wash a ski jacket?
You can wash your ski jacket as many times as you like, it won't damage your jacket to wash it regularly. However, most people choose to wash their jacket once per ski season. We'd recommend that this is after the season to get rid of any dirt or sweat that has accumulated during that time.
31 related questions foundDo ski jackets need waterproofing?
If this snow melts within your jacket, it can make you extremely cold and uncomfortable. Therefore, the primary role of a ski jacket is to keep you warm and also dry. Therefore, waterproofing as well as insulation is important in keeping you not just dry, but also warm.
Is Nikwax Tech Wash a detergent?
In the case of waterproof/breathable fabrics, like Gore-Tex, Nikwax Tech Wash is a soap-based cleaner that will not leave behind hydrophilic residue. Since Nikwax does not leave that residue, it will not impede your jacket's water-repelling performance.
Can I use Nikwax on GORE-TEX?
For Gore-Tex jackets or pants with insulation or a liner, use Nikwax TX. Direct® Spray-On.
Can GORE-TEX be Reproofed?
Here's how to reproof a waterproof jacket. Wash your jacket as above, but before you place it in the tumble dryer, use GORE-TEX waterproof treatment. The most common types are a waterproof spray or a wash in waterproofer. Apply the GORE-TEX waterproof treatment and then put the jacket in the dryer for 20 minutes.
Why Does My GORE-TEX jacket leak?
If you notice significant moisture inside your GORE-TEX outerwear after just a few minutes in the rain, you may have a leak or more serious problem. Possible causes include a defective seam, a problem with the fabric or damage to the garment.
Does washing a waterproof jacket ruin it?
Waterproof jackets should never be washed using ordinary detergent or fabric softener. The chemicals in detergent can break down the composition of the fibres with each wash and strip the fabric of its waterproof coating. A cleaner specifically designed for technical outerwear is recommended.
How often do you have to re waterproof a coat?
If you wear the jacket frequently and are out in all conditions we recommend reproofing every three to four months. However, if you wear your jacket less frequently or are out in less extreme weather, then reproofing your jacket every six months should be sufficient.
How do you make clothes waterproof?
Use powder laundry detergent and alum to waterproof any fabric. Soaking clothes in a water-soluble soap and a salt such as aluminum potassium sulfate, or alum, causes a reaction that forms a waterproof layer over the surface of the clothes.
Why is my waterproof jacket not waterproof?
For the water vapour to escape effectively it is important that the outer surface of the material is not saturated with water. To prevent this your jacket is treated with a DWR coating (Durable Water Repellancy), but this coating wears off over time and needs to be replaced.
What makes something waterproof?
The modern airy waterproof fabrics are made with two layers of polymers with different properties: a first layer of a micro-porous polymer that is hydrophobic, i.e. it repels water, and a layer of polyurethane, turned inwards, closer to the skin and which is hydrophilic (i.e. it attracts water) and absorbs the ...
What is the purpose of a DWR coating?
If you're looking at outdoor gear, you've probably seen the words DWR (durable water repellency) in many product descriptions. DWR finishes are what help water bead off your jacket or tent, and they require complex chemistry and expertise to apply them correctly to make them effective.
How long does GORE-TEX stay waterproof?
Gore-Tex isn't forever
Even powerful Gore-Tex has a lifespan. For people that use their gear daily, this lifetime can range from three to five years while those who use less frequency can get close to 15 years out of their garments.
How often should you use Nikwax?
It's hard to give a definitive answer, but as a rule Nikwax generally recommends washing between 3-5 times before you re-proof a garment using the current version of Tech Wash, though the new version of the cleaner due out this September will roughly double that figure.
How long does DWR coating last?
After every 10-20 washes, reapplying the coating with a spray-on treatment such as Revivex or Nikwax TX Direct Spray-On (see video below) or wash-in treatment such as Nikwax TX Direct Wash-In will restore the coating's effectiveness to levels similar to those at the time of purchase.
How do you wash a GORE-TEX jacket with Nikwax?
Wash in your washing machine with a technical cleaner like Nikwax Tech Wash. If the care label allows, you can tumble dry low, or simply hang dry.
Can you wash GORE-TEX jacket in washing machine?
Wash your GORE-TEX garment in the washing machine in warm (105°F/40°C) water. For the best results, use a small amount of liquid detergent. Please do not use powder detergents, fabric softener or chlorine bleach.
How do I reapply DWR coating?
Your DWR can be reapplied via a spray-on or wash-in product that essentially coats all of the DWR “bald spots” on your rainwear. You can do this as many times as needed over the years.
What can I use instead of Tech wash?
If you don't have a specific technical wash on hand, a mild detergent like Woolite is ok to substitute, but you should not use traditional laundry detergents.
Is Nikwax Tech Wash safe for down?
Prolongs the life of gear and optimises performance in wet weather. Safe to use on all feather and down garments and equipment. Easy to apply - can be used in a washing machine. WaterBased - environmentally friendly, biodegradable, non flammable, non hazardous.
Can you hand wash with Nikwax?
Nikwax Tech Wash® can also be applied by hand...
Use 150ml in medium/hard water* areas and 100ml in soft water areas for 1-2 items. Rinse 3 times in clean water.