What is a snow bar?
2 min read
Asked by: Kimberley Oeun
What do snow bars do?
Snow guards are devices used on rooftops to help snow and ice melt completely and drift off your metal roof in small amounts, rather than all at once.
Are snow guards a good idea?
Snow guards are an essential form of winter roof protection, especially for metal roofs. Without snow guards for metal roofs, your home is more susceptible to seasonal damage that is perfectly preventable.
When should I use snow guards?
When Should Snow Guards Be Used? Snow guards are most often used on metal, slate or tile roofs of any pitch and asphalt shingle roofs with steep pitches such as 6/12 and above. They make the most sense where large amounts of snow fall in areas where winter sun or temperatures above freezing can cause melting.
What is a snow rail?
Snow rail is basically a snow fence for standing seam metal roofs. Snow Rail is necessary when one wants to help prevent a snow avalanche off the roof.
What are snow bars roof?
Also known as snow stops and snow cleats, snow guards hold snow and ice in place to prevent a roof avalanche. Ice dams are caused when snow and ice melt during the day when the sun’s rays warm up the roof but then refreeze before falling off of the roof surface as temperatures drop at night.
What are those metal things on the roof?
Roof vents
These enclosed structures made of metal or plastic feature openings and fins, ensuring that the attic space is properly ventilated. The most effective vents have four open sides and rise above the roof, which allows them to capture the wind from all directions to produce a suction effect.
How far up should snow guards be placed?
Starting at 6 inches from the bottom edge, place a snow guard in the center of each valley, in a staggered pattern, across the entire roof area. Go up the roof 8 feet and repeat the staggered pattern of guards in the center of every valley. Do not exceed 8 feet vertically between rows of guards.
Do snow guards prevent ice dams?
Ice dams are not caused by nor alleviated by snow guards or snow fences. Ice dams can be reduced through the use of heat tape, or by adding insulation to the attic area.
