Scotchgard Heavy Duty Water Shield 1 Can, 400 ml - Water Repellent Spray, Ideal For Outerwear, Tents, Backpacks, Canvas, Polyester And Nylon

Product Information

Scotchgard has been around in one form or another for a long time and the Heavy Duty Water Shield is yet another, using a “proprietary” silicone formula. Like the others it replaces the DWR on the fabric and it too uses petroleum solvents to carry the product to the surface. It also uses isobutane and propane as a propellant. We collected up a group of waterproofing compounds to try out side-by-side. Each of the products was applied to a clean section of uncoated ripstop nylon in the weight range normally used in tents. Only the Atsko/Sno-Seal spray products have done away with the use of this volatile mixture to power the aerosol applicator, using CO2 captured as a byproduct from other manufacturers. Another plus to this system is that less propellant is needed and more of the waterproofing product ends up in the can.

Scotchgard | 3M United Kingdom

Tent and Gear Solarproof is available in both a pump applicator, which works well on large and small projects alike. It also comes as a concentrate that is diluted and then applied with a brush or sponge. Once applied, the solution should be spread out with a damp cloth. After two minutes, the excess is wiped off and the fabric allowed to dry. 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.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 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. Coverage per can varies with fabric type: from about 5,5 m2 for light nylon to about 1,8 m2 for heavier fabrics In general, Scotchgard™ Heavy Duty Water Shield can be used on cotton, cotton blends, leather, suede, nylon, canvas, and polyester. Camp Dry was added to the test simply because it is so easy to find in most big box stores, but it did not do as well as any of the other products tested.

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This spray is already proven to waterproof tents and is therefore ideal for EZ up canopies, event shelters and pop up gazebos. Once treated, the fabric was allowed to dry for 48 hours and then exposed to water to see how they performed. Water Based Products Silicone based products have been on the market for years and when applied they offer some of the most durable water repellent surfaces. This has been proven in previous tests done by me on tents. Nikwax worked well, but had to be reapplied each season whereas the Atsko/Sno-Seal Silicone Water Guard continued to bead up water well into a second season.

When applying Revivex, try and lay flat whatever you are treating, like Nikwax, it is a thin solution and will run off the fabric. Instructions on the can are sparse just saying to spray it on the fabric. What worked best was to spray the treatment on, spread it out and then let it penetrate. After a few minutes, dry according to the instructions for the item treated. Mould often appears when the fabric is kept moist for a prolonged period and as this protector spray repels moisture the rainwater will just run off the fabric. How to Use Scotchgard Waterproof Spray on Your Canopy

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When spraying this on remember it is flammable, so avoid any open flames and excess will run off the fabric so be aware of drips getting on nearby surfaces. 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.When it comes to the propellants used, at least 3m tells you what they are, while some manufacturers will only say, “hydrocarbons.”