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Cotton Proof

Wash-in waterproofing for cotton, polycotton and canvas

Adds water-repellency and revives breathability

Benefits of using this product

  • Adds water repellency to cotton and polycotton and maintains breathability
  • Prolongs the life of gear and optimises performance in wet weather
  • Easy to apply - can be used in a washing machine or by hand, no tumble drying required
  • Can be used on wet fabric
  • Inhibits rotting of canvas caused by dampness
  • Will not affect cosmetic appearance
  • WaterBased - environmentally friendly, biodegradable, non flammable, non hazardous
  • Does not contain fluorocarbons

Ideal for

  • Cotton clothing and equipment such as tents
  • Polycotton clothing and equipment
  • Canvas equipment

How to apply

To clothing

  1. Place clean item in a washing machine
  2. Apply Nikwax Cotton Proof in the machine’s dispenser
  3. Select a cotton wash cycle, start machine and complete rinse cycle
  4. Alternatively, just apply Nikwax in a simple hand wash
  5. Drip-dry or tumble dry on a low setting if the care label allows

To equipment, eg. tents

  1. Erect tent
  2. Paint solution onto the outside of the fabric
  3. Work solution in with a brush and spread evenly
  4. Clean off with water and allow to dry before packing or storing

Volume guide

  • To proof clothing, use 2 full caps (100 ml) for 1 item and 3 full caps (150 ml) for 2-3 items.
  • For dry cotton tents, dilute with 6 parts warm water (1:6) and for wet cotton tents dilute with only 2 parts warm water (1:2). 

When to use this product

Apply this product to used cotton, polycotton or canvas to keep items in water-repellent condition. Remember to clean gear first with Nikwax Tech Wash before applying Nikwax Cotton Proof (you don’t have to wait for items to dry between cleaning and proofing).


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