I went to an estate sale and bought a bag with 2 sails for $3 . One of them is a noisy ripstop nylon. I believe because of its lightness and noisy crinkles type sound this material is spinn.
My question, I was thinking of making a tarp with it. It would be multi colored, but something to practice with. I don't know if it is waterproof. Do I need to make a silicone with mineral sprits solution to waterproof it?
"The real man smiles in trouble, gathers strength from distress, and grows brave by reflection."
Thomas Paine
put 1 cup of water into a folded pocket (of the sail) and hang it in the garage over a paper towel- if it drips it need treatment, if it stays dry it is already Waterproof.
just a test....KM
OK, I did the water test. It doesn't gush water and leak. However it sweats a little
"The real man smiles in trouble, gathers strength from distress, and grows brave by reflection."
Thomas Paine
so it was probably designed to be 'windproof' which tends to include water resistant- if you plan on making a tarp you will likely need to do the 'homebrew silicon' treatment.
there are instructions in the DIY forum- haven't tried it myself yet.
KM
Sweat may just be from your tap water being cold and the temps warm enough to cause condensation.
If possible let it set for a few hours. Wipe any condensation off after the water and room temp equalize.
Holding some fabric under a running faucet/shower head is another way to check for good waterproofness.
Ambulo tua ambulo.
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