Application of the product is straightforward, spray a light coating on a clean surface and let it dry, but instructions say to add a second coating after four hours. Even with this, the treated surface did not repel water as well as any of the other products tested. In general, Scotchgard™ Heavy Duty Water Shield can be used on cotton, cotton blends, leather, suede, nylon, canvas, and polyester. Once treated, the fabric was allowed to dry for 48 hours and then exposed to water to see how they performed. Water Based Products Instructions say to set the gear up, but the solution is very thin so it is best to lay it out flat so it does not run off. In this way you will get the best coverage.

Scotchgard Water Repellent Shoe Protector - 2 Cans - 300 ml Scotchgard Water Repellent Shoe Protector - 2 Cans - 300 ml

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 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. This spray is already proven to waterproof tents and is therefore ideal for EZ up canopies, event shelters and pop up gazebos.

How to use Scotchgard™ Heavy Duty Water Shield

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. 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. 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 If you use Scotchgard™ Heavy Duty Water Shield to treat outdoor gear with white rubber soles, the soles may turn yellow – if that happens, clean the affected area as soon as possible with rubbing alcohol. Nikwax prides itself on being one of the safest waterproofing products on the market with water used to deliver what Nikwax calls an, “elastic, water-repellent synthetic polymer” onto the fabric. According to Nikwax, the “Solarproof” components of the compound will protect from the UV rays that damage synthetic fabrics to extend the life of your gear.If your 1st 2 coatings have proven to be successful then attempt to cover the rest of the canopy top. 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. 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. 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.”

Scotchgard Fabric Water Shield, 1 Can x 400ml - Water

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. Scotchgard™ Heavy Duty Water Shield provides an ultimate protection for clothing and outer gear against common weather conditions . 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. 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 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.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. Be sure to pay close attention to seams as they are quite often the weak spot for leaks or stitching breaks. 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.

Scotchgard | 3M United Kingdom

One benefit of each product is that by being water based, it can be applied to clean fabric that is dry or wet. 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. When it comes to the propellants used, at least 3m tells you what they are, while some manufacturers will only say, “hydrocarbons.” 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.

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.