“At SnoBlox-SnoJax, we have applied our 35+ years of snow retention experience to developing quality snow guards that pass the test of time. Part of the reason our snow guards are so dependable is because not only are they designed and built to work and last, but we will not stop testing and improving our products until we are certain they deserve the SnoBlox-SnoJax name.”
-Brion McMullen, President / CEO
Test Results
At SnoBlox-SnoJax, we take pride in our product test results. Each model has been tested by Architectural Testing, Inc., the most respected name in building envelope testing. We hope you agree that our tests are practical and conclusive, as we feel the results speak for themselves.
- View our actual ATI results.
Load Test Results
| Snow Guard Model | Adhesive Results* | Mechanical Results* |
| SnoBlox Ace | 1449 Lbs. | 4849 Lbs. |
| SnoBlox Deuce | 1379 Lbs | 3456 Lbs. |
| SnoJax I | NA (screw down only) | 1800 Lbs. |
| SnoJax II | 700 Lbs. | 3750 Lbs. |
| IceJax I | 500 Lbs. | 4200 Lbs. |
| IceJax II | 1561 Lbs. | 6388 Lbs. |
*The release point on all testing procedures was in the "Method of Attachment". None of the snow guards cracked in any of the test procedures. |
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The tests performed on each model of snow guard simulate actual and realistic snow loads and weight conditions. We tested each guard by applying pressure via the steel rod, simulating weight, while measuring the force of the load against its face. Unlike other competitors' testing that pulls upward on the face of the guard, a force never found on a snowy, icy roof, our tests simulate actual snow load conditions. We also found it necessary to only perform static laboratory testing since our 25-year unbeaten track record of the SB-190!
The test presses on the face of the guard where the snow load is greatest, simulating real snow load conditions. Please note, that all of our guards have a forward mounted flat face designed to form a strong holding field across the entire roof to retain snow and ice, and let it safely melt away.
We tested both methods of attachment: adhesive mount with SureBond SB-190 and mechanical mount with #14 SS screws & silicone. In the past, we have also tested additional alternative tapes, adhesives and sealants, but were not pleased with the results or longevity of any other adhesion methods. The SureBond SB-190 repeatedly provided optimal holding power and is time proven since we first pioneered its use for our polycarbonate Snojax II snow guards in 1985.
We were impressed to learn that each guard was intact after each test, and each release was due to adhesion failure. This image was taken after the guard was exposed to 6,388 lbs of pressure; notice how its only disfigurement is where the screws broke and dug into the guard.
*Click to enlarge
The Truck Test
Although the test itself is impractical and applies forces that a snow guard would never, and should never, experience, the results once more speak for themselves; plus the test is amusing.
We were sure to video tape the truck test so grab some popcorn and enjoy.
Once more we put our guards to the test, only this time instead of calibrated lab equipment, we used an Ford F-150. We lowered the truck all the way down so that each guard was exposed to the full weight of the truck.
You can see why this test lacks validity as the tire, despite being at full pressure, engulfed the guard. The truck test tested, both, the tire and the snow guard; fortunately for us, both passed with flying colors.
When the test was complete and we had lifted the truck once again, each guard was intact and presentable. Although we are glad the truck test went well, we realize that the forces applied by lowering a truck on a snow guard are unrealistic and impractical.
We would like to encourage you to consider the value of professional testing as opposed to the truck test. Our products were designed to work and have successfully undergone professional and field testing.
*Click to enlarge