How to find a slow ...
 

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[Closed] How to find a slow puncture in sleeping mat

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I have an Alpkit self-inflating sleeping mat. It goes down after a few hours sleep. I have blown it up and put it through a bath but couldn't spot a leak. Any other suggestions how to find it or if it is >5 years old should I maybe accept it is a goner and leaking through the fabric?


 
Posted : 17/07/2017 9:00 pm
 km79
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Maybe?


 
Posted : 17/07/2017 9:05 pm
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Dunk it in a bath of water


 
Posted : 17/07/2017 9:13 pm
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Yep in the bath. You're not looking hard enough 😉


 
Posted : 17/07/2017 9:17 pm
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1) Bath.

2) get onto Alpkit.

3) What model is it?


 
Posted : 17/07/2017 9:22 pm
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Strong fairly liquid/water mix in a squirty bottle.

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Posted : 17/07/2017 9:29 pm
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Washing up liquid and water in a spray bottle, inflate mat and spray all over you should see bubbles appear where the hole is.


 
Posted : 17/07/2017 9:31 pm
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Ha, if only it was as easy as Stans! But I'm pretty sure that would not go far in the foam.

As above I already tried the bath fairly carefully but this squirty bottle washing up liquid sounds like a plan.

It's an old thick Alpkit one. Discontinued some while ago.


 
Posted : 17/07/2017 9:58 pm
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..... do it more carefullier... It is a faff wrestling the b'stard but it has to be done 😉


 
Posted : 17/07/2017 10:01 pm
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It's an old thick Alpkit one. Discontinued some while ago.

That's why I asked. Fat Airic? It'll be the seam between the two sides.


 
Posted : 17/07/2017 10:10 pm
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As above, strong fairy liquid/water mix in a spray bottle. Pump the mattress up hard, in the garden, and spray liberally. It'll be obvious where the hole is.

We had this in a double-height double bed mattress, no chance of getting it in the bath! Spray method worked a treat, but the hole was by a seam so couldn't really be patched. Fixed it by squeezing a little bit of silicone sealant into the hole, and then forming a patch of silicone over the outside. Worked a treat.


 
Posted : 17/07/2017 10:38 pm
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Seams and valve joints are first places to check with spray if it's too big to submerge.


 
Posted : 17/07/2017 11:04 pm
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Alpkit had issues with the early Airics and replaced FOC IIRC...HTH TTFN


 
Posted : 18/07/2017 6:30 am
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i have the exact problem so will be trying these tips. probably close to a 10 year old mat for me.


 
Posted : 18/07/2017 6:51 am
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If it's the seam, it can be resealed with a warm iron. Go steady and work the temp up or you'll end up with a bigger leak...


 
Posted : 18/07/2017 7:08 am
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Thanks Cougar! I couldn't remember the name but yes, Fat Airic, that is it!

OK it sounds like I should try the iron on the seams approach. I assume Alpkit would no longer replace.


 
Posted : 18/07/2017 8:22 am
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fill it with water 🙂


 
Posted : 18/07/2017 8:36 am
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Alpkit had issues with the early Airics and replaced FOC IIRC...HTH TTFN

I assume Alpkit would no longer replace.

They didn't offer to replace mine, I chucked it in the end and bought a Thermarest.


 
Posted : 18/07/2017 8:38 am
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Yergonnaneedoneoftheseandoneoftheseandsomefairyliquid.
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Posted : 18/07/2017 8:41 am