Waterproofing ratin...
 

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[Closed] Waterproofing ratings

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Looking at picking up a gilet and the manufacturer website says that it's waterproof to 20000mm. My understanding is that means heavy rain but they said light shower when I emailed them.

Am I misreading/misunderstanding waterproofing ratings or is their support person playing it a bit safE?


 
Posted : 08/01/2018 8:48 am
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20k is fully waterproof, perhaps its actually 2k?


 
Posted : 08/01/2018 9:44 am
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How waterproof a jacket is will depend on its waterproof rating. The higher a jacket’s waterproof rating, the longer the fabric will remain waterproof for.

Rating Resistance Weather
0 – 1,500mm Water resistant / Snowproof Very light rain
1,500mm – 5,000mm Waterproof Light to average rain
5,000mm – 10,000mm Very Waterproof Moderate to heavy rain
10,000mm- 20,000mm Highly Waterproof Heavy rain

Mountain warehouse website


 
Posted : 08/01/2018 9:48 am
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Well it's a gilet so water will just work it's way around the body if it's raining hard. Plus it may not have taped seams (not that it would make a lot of difference with a gilet).


 
Posted : 08/01/2018 9:52 am
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I get the fact that due to the lack of sleeves it'll never be waterproof as such, it was more about form factor and lightness. They do a 10k jacket too which may fit the bill and it's only slightly more expensive and still under 100g


 
Posted : 08/01/2018 10:50 am
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Why on earth would you even bother with any level of waterproofness in a gilet?


 
Posted : 08/01/2018 10:53 am
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well I've got a gilet that when it's pissing it down may as well not be there. that means, if I'm on a long road ride, my core temp drops and it becomes a problem particularly on longer descents. Given I've got a few multi-day rides planned, I don't fancy being stuck somewhere because I'm just too cold to ride after a heavy rain.

Contrast with a castelli bin-bag (I guess that's not the name), the core temp stays a bit higher because there's little water getting in to chill me and I can ride. Two probs with the binbag; 1, you sweat like a pig in it so there's a lot of on-and-off with it and 2, mine is knackered after 6 years of use.


 
Posted : 08/01/2018 11:33 am
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well I've got a gilet that when it's pissing it down may as well not be there.

They're all like that!

Just carry a proper lightweight GTX shell stuffed in a jersey pocket.


 
Posted : 08/01/2018 11:41 am
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Just wanted to add - you can buy iron on seam tape from eBay. I used it when altering some waterproof trousers, and it works nicely. Seems to be the same stuff the manufacturers use.


 
Posted : 09/01/2018 8:56 am
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molgrips - Member
Why on earth would you even bother with any level of waterproofness in a gilet?
When it's not raining, but the trails are wet.


 
Posted : 09/01/2018 9:05 am
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When it's not raining, but the trails are wet.

Mudguards....


 
Posted : 09/01/2018 9:19 am
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... are also an option, though it's difficult to get something with complete coverage and they introduce other issues.


 
Posted : 09/01/2018 9:23 am
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Gave up finding the right one at the right price after I found a 7mesh rain and wind jacket for 100 euros. Done.


 
Posted : 09/01/2018 1:08 pm

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