When you buy a Tarp Tent, a silnylon tarp shelter, or a hammock tarp, it’s best to seal the seams using McNett’s Silnet (also called Gear Aid Silnet) in order to make them waterproof in the rain. Most of these shelters are not seam sealed or seam taped, so you have to do it yourself.
Here is my simple guide to do that.
- A brush that you don’t mind throwing away afterwards
- A tin can or something to mix up in
- A bit of card, or a very steady hand
- Damp cloth
- Mcnett Silnet, which is sticky messy stuff
- Paint thinner
Start with mixing at 3 to 1 paint thinner in a tin with Silnet until it is a workable viscous paste that can be easily applied with the brush to the seams. The whole point is to get it to soak into the stitching where the water could penetrate. If you were to apply the Silnet without thinning, it cures too thick and can flake off leaving a messy look.
Note: You want to seal the seams on the outside or top face of the fabric only. One coat is usually enough. Really.
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