As a textile expert with a focus on outdoor apparel, I am often asked about how to maintain the waterproof properties of a jacket. Water resistance in jackets is typically achieved through a combination of materials and treatments that create a barrier to water penetration. Over time, this barrier can wear down, especially after frequent use and washing, necessitating a reapplication of the waterproofing treatment. Here's a comprehensive guide on how to make a jacket waterproof:

### Materials and Fabrics
The first step in ensuring a jacket remains waterproof is to understand the materials it's made from. Jackets designed for outdoor use often feature fabrics with a Durable Water Repellent (DWR) finish, which is a special coating that repels water. This finish can be found on materials such as Gore-Tex, eVent, and other high-performance textiles.

### Inspecting the Jacket
Before you begin the waterproofing process, it's important to inspect the jacket for any damage. Look for worn spots, holes, or areas where the DWR coating may have worn off. Repair any damage before proceeding.

### Cleaning the Jacket
A clean jacket is more receptive to waterproofing treatments. Use a gentle detergent that is specifically designed for technical fabrics. Avoid fabric softeners, as they can leave a residue that can interfere with the DWR coating.

### Drying the Jacket
After washing, allow the jacket to air dry. Tumble drying can damage the DWR coating and the jacket's fabric. Ensure the jacket is completely dry before moving on to the next step.

### Applying the Waterproofing Spray
Select a high-quality waterproofing spray. Products like ReviveX Spray-On Water Repellent are popular for their effectiveness. Apply the spray liberally to the entire surface of the jacket, ensuring that all areas are covered. Pay special attention to seams, zippers, and other areas prone to water penetration.

### Heat Setting the Treatment
After spraying, the next step is to activate the DWR coating. This is typically done using heat. Place the jacket in a tumble dryer on a low heat setting for about 15-30 minutes. The heat helps to bond the DWR coating to the fabric fibers.

### Testing the Waterproofing
Once the jacket has cooled, test its water resistance by sprinkling water on it. The water should bead up and roll off the surface, indicating that the DWR coating is working effectively.

### Maintenance
To prolong the life of the waterproofing, avoid frequent washing and use a garment-specific washing method. Always follow the manufacturer's care instructions.

### Conclusion
Proper care and maintenance are key to keeping your jacket waterproof. By following these steps, you can restore and maintain the water resistance of your jacket, ensuring it remains a reliable companion for your outdoor adventures.

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Now comes the time for re-waterproofing: Spray the jacket--and spray it really well--with a waterproofing spray. I like ReviveX Spray-On Water Repellent. Then put the jacket in the dryer, and when it comes out, it should be hydrophobic again. You can make sure by sprinkling some water on it.Jun 25, 2014read more >>