Are there mildew-resistant stitching threads for canvas outdoor trash cans?

Yes, there are mildew-resistant stitching threads specifically designed for canvas outdoor trash cans and other outdoor gear. Standard cotton thread is highly susceptible to moisture and mildew, leading to premature failure of the seams. For long-lasting durability, you should use synthetic threads. The best options are 100% polyester thread or marine-grade UV-resistant polyester thread. These synthetic fibers do not absorb water, which is the primary cause of mildew growth. They are inherently rot-proof and resistant to degradation from sunlight and harsh weather conditions. Using a heavy-duty, UV-protected polyester thread will ensure the seams of your canvas trash can remain strong and intact for many seasons, preventing rips and tears at the stress points. Always look for threads marketed as outdoor, marine, or all-weather for the best results.