How do you space snow guards on a metal roof?
How do you space snow guards on a metal roof?
Starting at 6 inches from the bottom edge, place 2 snow guards equally spaced apart in the valley, in a staggered pattern, across the entire roof area. Go up the roof 5 feet and repeat the staggered pattern of guards in every valley as placed below. Do not exceed 5 feet vertically between rows of guards.
Are snow guards needed on metal roof?
Do I Need Snow Guards? If you live in an area prone to snowfall, especially heavy snowfall, Bridger Steel highly recommends installing snow guards for metal roofs. As snow accumulates, ice dams can form, snow gets heavier, and your metal roof could be prone to cave-ins.
Are snow guards required by code?
Snowpack, or the buildup of snow and ice, on any roof can produce significant sliding forces. In most alpine regions of Europe and Scandinavia, the use of snow-guard systems is mandated by building authorities, however such policy in North America is quite rare and only required by local code authorities if at all.
What can you put on a metal roof to make snow slide off?
Fill pantyhose with sidewalk salt to break up ice at the edge of the roof. When your roof heats up and melts the bottom layer of snow or ice, the water leaks down to the edge of your roof and freezes again, creating an ice dam.
How many rows of snow guards do I need?
In general, snow guards should be placed 1 every 40 inches over entire roof or in 2 groups of 3 staggered rows on 30 inch centers with 1 group at the eave and 1 group midway on roof slope. On long slopes, multiple groups with 6 ft. space separation maximum.
How do you keep ice from sliding on a metal roof?
In order to prevent snow and ice from creating a small avalanche, many homeowners opt to install snow guards on their steel roofs. Snow guards are designed to keep large amounts of snow and ice from sliding off a metal roof all at once.
Do snow guards cause ice dams?
During winter we are often asked, “Do snow guards cause ice dams?” The quick answer is no, snow guards do not cause ice dams.
Do snow guards increase snow load?
The approximate doubling of load on the end snow guard or snow guard fastener for a guard system that does not extend to the end of a roof should also be considered in design. By holding snow on a roof, snow guards may increase icing problems at eaves.
