Hi we have just bought a 1970's Lichfield Granada 3canvas tent and thought we would re proof it. We bought some Storms canvas proofed but on my test patch it seems to have left a residue, any advice on application. I have used a brush and tried to spray it on
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Hi, yes, test it first by putting it up and soaking it with a hose ( or let the rain do it). Cotton threads swell when wet and close up the tiny holes in the weave, so a cotton canvas tent is naturally waterproof. Waterproofing treatment mainly gives a water repellent finish on the outside so that the main effect is that rain beads up and runs off rather than soaking in.