Thompsons Waterseal

[Mark65]

Fyi
As my 12 month old RST Rift pants are leaking very slightly in the crotch area i have decided to experiment with the rumours of thompsons waterseal making them waterproof. I have tried nikwax which worked great on the jacket but in very heavy downpours the pants still made me look like i pissed myself, so sunday i got the paintbrush and pants out and covered the area from front to back and in between , and its mon afternnon and my pants still stink next to my desk at work but as soon as we get a heavy downpour i will report back on how it did. the have a very slight milky stain around the area covered but if it works its a small price to pay.

Ta
Mark
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07 Yamaha YBR125, 07 Honda CG125 , 15 CBR300R (Chocolate Crank, Deaded), 16 CB500FA, 19 Honda Forza 300, 70 Suzuki SV650

[Acemastr]

I had the same trousers, leaked after the first couple months actually, replaced them about 2 weeks ago with some cheap(£40) australian philip island things of ebay, even through heavy rain they didn't leak at all! Was disappointed in the RST ones, i have the RST Rift jacket which is flawless, waterproof, warm, couldn't be better.
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2017 KTM 350 XC-F - 2014 Yamaha R6 - 2005 Yamaha YZ125
2016 Toyota Tacoma Limited

[stinkwheel]

Thompsons Waterseal works well on my tent.

However, I suspect those trousers will only be waterproof by virtue of a thin membrane stitched between the layers. The seam in the crotch area invariably gets pulled apart and leaks within a very short time. The waterseal won't help because there is an actual hole in the waterproof part of the trousers.

The only thing I've found to be totally waterproof are actual waterproof trousers (not bike ones). Plasticy ones like farmers wear are ok, but they too leak at the seams after a while. The best ones I've found are dutch army issue, gore-tex overtrousers. £25 a pair in army surplus stores. Totally waterproof and remain so for years (7 and counting), even when used on the bike.
https://i48.photobucket.com/albums/f216/stinkwheel/IMG_2543.jpg
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“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.