How to waterproof a tent with seam sealer, waterproof spray, and simple camping fixes. Learn how to stop leaks and keep your tent dry in rain. To help you accomplish this goal, in the following article we will outline a couple of different strategies for waterproofing a tent—proven strategies that are sure to keep you warm, toasty and dry throughout the camping season. Check out our recommendations for the best tents for rain. Waterproofing a tent is relatively simple: Buy the right DIY sealants and coatings for your tent's fabrics, clean and dry your tent, and apply the treatments to your tent's seams, walls, flooring, and rainfly. Keep your tent dry and protected with the best waterproof sprays for 2025. Our expert reviews cover top-performing options for water repellency, UV protection, and easy application in all weather conditions. Keep your tent dry with our step-by-step guide to waterproofing. Learn how to seal seams, apply waterproofing spray, and maintain your tent for years of adventures. Re-waterproofing your tent is one of the cheapest, easiest, and most effective gear maintenance tasks you can do. By following this complete step-by-step guide, you can easily double the lifespan of your shelter and guarantee a dry night, even in a downpour. Here's how to apply the waterproof spray: Set up the tent and spray down the rainfly with clean water (if you just washed your tent, you don't have to wait for it to dry before applying a new DWR coating.) Learn how to waterproof your tent with easy step-by-step methods. Keep your tent dry, protected, and ready for any weather conditions. The best tent waterproofing spray overall is Nikwax Tent & Gear Solarproof, it protects against both water and UV damage without harmful chemicals. For a budget-friendly option, Scotchgard Outdoor Water Shield offers solid performance on a range of fabrics. Learn how to waterproof a tent in 4 steps: clean, seal seams, refresh PU coating, and apply DWR spray. Includes product picks and common mistakes.