12/30/2023 0 Comments Snow rails for metal roofs![]() ![]() Also, clamp setscrew torque is a critical component in the strength of a continuous rail system. Continuous rail-type snow guards can be installed in virtually any weather condition.Ĭhoosing the correct clamp for your roof panel configuration is essential. These adhesives/sealants are recommended to be installed at temperatures above 40 F for application and require seven to 14 days to fully cure. Since individual or pad-style snow guards rely on adhesive/sealant for attachment optimum weather conditions as well as a clean panel surface is vital for installation. Proper installation of whichever style snow retention you choose is imperative. Consult the snow guard manufacturer for engineering/calculations for each individual roof. Other factors to consider are: designed roof snow loads as well as the roof panel base material, width and configuration. Long panel lengths combined with steep roof slopes are two factors that play into calculating whether or not multiple rows are needed. Rail-type systems are more likely to use a single row due to the greater holding power versus glue-down pad style. In certain circumstances, multiple rows will be required to properly retain the accumulating snow no matter which system is used. Generically speaking, most continuous rail-type snow retention will be installed in a single row within a few feet of the eave line while individual/pad-style snow guards will be installed in a grid or staggered pattern. Other things to consider are whether or not the system has been independently tested and if the system can be designed/engineered for your specific roof. This will ensure roofline aesthetics for years to come as you won’t have to worry about your snow guards fading at a different rate than your roof panels. Preferred systems will use flat stock panel that has been cut down to slide in the face of your rail/extrusion. ![]() Both individual and rail-type snow guards give you the option to color match your roof panel. Rail-type snow guards are commonly manufactured from aircraft quality, high-tensile aluminum and use stainless steel hardware for attaching. Either of these two methods will then use a continuous rail/extrusion that attaches to either the mount or clamp, and will also have a SNO-DAM or a flag that hangs down and rests in the center of the flat of the panel, which will keep snow and ice from sliding under your snow guards. Continuous rail-type snow guards will attach to either a mount that is through fastened into a structural member, for corrugated or through fastened panels, or via clamps that will attach to the seam of a standing seam panel, using non-penetrating setscrews. These pad-style snow guards are typically polycarbonate, and do not usually offer the same strength characteristics of a continuous rail system. Individual snow guards will either adhere to the roof panel via adhesive/sealant or fasteners that penetrate through the roof panel into the structural substrate. There are many configurations of snow guards on the market but individual/pad style snow guards and continuous rail type snow guards, such as DYNA-GUARD, are the two most commonly used in the U.S.īoth can be installed on through fastened panels or standing seam panels. This decision will be based on what type of roof panel you have or perhaps as simple as what type of look you want. This is particularly important in places where heavy snowfall occurs during winters.When realizing that snow retention is a critical component of your metal roof, your first question is what type to use. Installing metal roof ice guards on metal roofs is the best way to ensure an avalanche does not occur after snow or icy conditions. How Do You Keep Snow from Sliding Off a Metal Roof? ![]() Since snow guards they are intended to last the entire lifespan of the roof, it’s recommended not to glue them on but to attach them mechanically. Some things to keep in mind when installing a metal roof snow guard is that you should pay attention to the manufacturer’s instructions. then then go up about 8 feet and continue to place your snow guards in the same staggered pattern as you did at the bottom edge. This is where most of the snow piles up as the sun causes it to melt and slide towards to bottom half of the roof.īeginning at about 6 inches above the bottom edge of your roof, place two snow guards evenly spaced out in a staggered pattern across the entire roof. If you are going to use a rail-type system, install your snow guards approximately 1 to 2 feet from the eave. ![]()
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