Though both products performed as promised, Revivex won out by literally a nose in my test as Nikwax had an odd odor. Even after 48 hours it was still perceptible and two weeks later, it was mild, but still there. Another plus for Revivex is the allowance for breathability offering a wide range of products that can be treated, from tents to waterproof shells. Silicone Water Repellents

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Firstly, spray a small section of the canvas of your EZ up canopy. Apply by holding the can 8 inches away from the product and use a gentle sweeping motion to apply evenly. It uses water as the carrier and is applied from an aerosol can with no dangerous propellants. The spray can is a “bag on valve” which allows the can to totally empty so you get all the coating you paid for. In general, Scotchgard™ Heavy Duty Water Shield can be used on cotton, cotton blends, leather, suede, nylon, canvas, and polyester. Scotchgard™ Heavy Duty Water Shield provides an ultimate protection for clothing and outer gear against common weather conditions . Coverage per can varies with fabric type: from about 5,5 m2 for light nylon to about 1,8 m2 for heavier fabricsWhen it comes to the propellants used, at least 3m tells you what they are, while some manufacturers will only say, “hydrocarbons.” Like the other silicone products, it uses petroleum solvents to carry the compound to the fabric and it also uses isobutane and propane as a propellant, but they do not tell you this on the can, it is simply listed as, “hydrocarbons.” This spray is already proven to waterproof tents and is therefore ideal for EZ up canopies, event shelters and pop up gazebos. Again, using these solvents makes coating the fabric easy with deep penetration. Once dry, it also repelled water extremely well. As far as how long it will last, instructions say to apply annually.

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Once you have sprayed the liquid onto the surface you must allow it to dry, whilst ensuring that your pets are kept well away until fully dry. One benefit of each product is that by being water based, it can be applied to clean fabric that is dry or wet. Traditionally, treatments to reapply that water repellent coating have been silicone based but they are not considered very environmentally friendly. Relatively new to the market are a few water based products.Once treated, the fabric was allowed to dry for 48 hours and then exposed to water to see how they performed. Water Based Products Be sure to pay close attention to seams as they are quite often the weak spot for leaks or stitching breaks. Added to the solvent issue is the type of propellants used in the aerosol cans, isobutane and propane, both hydrocarbons which are not exactly environmentally friendly.