Hello, our guide unit has a Quetchua 4.2 pop up tent that is no longer beading and we are worried will leak. We are considering reproofing it but, I'm sure I read somewhere that the reproofing liquid can dissolve seam tape. I spoke to someone at a local camping shop who suggested NicWax as it is water rather chemical based but I think you need to tumble dry coats etc after application to activate it and can't fit a big pop up in the dryer. Any advice, information or suggestions you can give us would be greatly appreciated, Thanks
------------- Angels
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I've only ever used Nikwax on waterproof coats before and it says to tumble dry them. Nikwax for tents may be different but I've never seen it and would have to order it online. It would then be too late if it does say tumble dry. I was hoping someone on here would know.
Fabsil should be applied on the outside of tents so shouldn't touch the seam tape which is applied inside tents, but if you are concerned don't spray the seams.
Equipment treated with the product in the link, according to the application instructions, "needs no heat to develop Durable Water Repellency. DWR and ultraviolet (UV) protection will develop once the fabric is dry. Allow item(s) to dry fully before packing away."
Yes, Tent & Gear SolarProof®, as in the above link. Look on Apply by Hand.
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Great find Bob! I use a load of their stuff but hadn't seen that before. The big tents out again soon so will give it a going over. It's the UV protection I want. The proofing is solid. The longer it lasts the better as I'm struggling to find owt I'd consider replacing it with.
Quote: Originally posted by Angels at 11 on 09/9/2015
Hi Bob61, wouldn't it soak though?
Hopefully not, otherwise so will rain.
I believe your tent is polyester. Polyester is waterproofed with a laminate of Polyurethane on the inside so although the outside will look wet and the rain will stop beading on the surface if the outer silicon layer has worn off, the tent fabric itself should not actually leak. The outer spray, whether you use Fabsil or Nikwax is simply an agent which makes water bead and run off easily thus not soaking into the outer layer of polyester.
The seams are sealed using thermobonded tape (heat applied).
Thanks Bob61, So if I understand what you say, the fact that it's not beading and soaking into the fabric isn't a problem and it shouldn't leak but may take longer to dry. So as long as we are prepared to wait for it to dry properly we don't actually have to spend any of the girls money on it!
Yes, Bob61 is right, the inner layer of PU coating is what makes a polyester or nylon tent waterproof. Once that peels off then there is nothing to remedy it. Spraying the outside with Fabsil or nil wax just stops rain from soaking into the outer woven layer.
Quote: Originally posted by Angels at 11 on 10/9/2015Thanks Bob61, So if I understand what you say, the fact that it's not beading and soaking into the fabric isn't a problem and it shouldn't leak but may take longer to dry. So as long as we are prepared to wait for it to dry properly we don't actually have to spend any of the girls money on it!
Exactly...however, modern sprays are also supposed to contain UV protection which will help the tent fabric last a little longer.
It's really a case of whether you want your tent to look like new again or can put up with it looking like a sagging wet rag when it rains.
A little while ago I bought an ex display tent which had clearly seen better days. I sprayed it with Fabsil and it looked like new again when it rained. It was a big 6 man tent and took 3 x 600ml cans of Fabsil costing about £7.99 each. Since I paid peanuts for the tent I thought it was worth it. You may feel the Quetchua 4.2 pop up, which is a nice tent, is worth a couple of cans