Your boat cover, tent, convertible top or awning may still look perfectly fine. But leaks often don’t start in the fabric itself — they start at the seams. The stitch holes and the thread are the weakest points. If you make these mistakes, leakage is almost guaranteed.
1. Thinking good seams last forever
Seams are constantly under tension. Rain, sun and cold cause wear. Even on a relatively new fabric, the thread can deteriorate faster than you think.
Solution: Check your seams regularly, even if the fabric looks fine.
2. Only paying attention to the fabric
Most people focus only on the fabric. But most leaks actually start at the stitch holes and the thread. These are the spots where water gets in the fastest.
Solution: Give the seams the same level of maintenance attention as the fabric itself.
3. Not impregnating the seams
After cleaning, your fabric may feel fresh again. But without a protective layer, the seams are vulnerable. Water easily penetrates the stitch holes and weakens the thread.
Solution: Always apply a water-repellent treatment — including over the seams.
4. Trusting old stitching thread
Many seams are stitched with thread that has a cotton outer layer. When wet, the cotton swells and closes the holes. Smart, but cotton eventually breaks down due to moisture and UV.
Solution: Have seams restitched in time when they show signs of weakening. Don’t wait until they tear.
5. Waiting until leaks appear
Once water starts getting through the seams, the damage is usually already done. Wet spots, mold and even delamination of the fabric can follow.
Solution: Prevention is better. Protect your seams before winter starts.
The smart solution
With Sprayhood & Tent Protector, you not only make your fabric water- and dirt-repellent, you also protect the seams against moisture and dirt. This keeps them stronger and leak-free for longer.
- Reduces the chance of seam leakage
- Protects against mold and staining
- Extends the lifespan of both fabric and seams
- 100% PFAS-free and safe for people and nature
View Sprayhood & Tent Protector
This way, you avoid discovering a leaking fabric in spring — when you thought everything was still fine.

