Snow On A 3 12 Metal Roof

Snow bars or guards.

Snow on a 3 12 metal roof. If snow guards are installed they prevent the snow from sliding until it has a chance to melt. Get free shipping on qualified metal roofing or buy online pick up in store today in the building materials department. The most common slopes are. Their main purpose is to prevent the sudden release of snow and ice from your roof known as a roof avalanche.

The snow can build up on your roof throughout the winter until there is 12 or more accumulated. Metal roof snow guards and snow stops are essential when snow accumulations begin to melt. We sometimes get 12 24 snowfalls here in western massachusetts. Roof pitches of 3 12 4 12 5 12 or 6 12 work best for metal buildings in snow country.

Low pitched roofs aren t able to shed water and snow as easily. Anything over a 6 12 pitch tends to make massive amounts of snow slide off the roof without warning. Since this is not a heated space what kind of inexpensive metal roofing would allow snow to slide off most easily and at what minimum pitch. When looking at metal roofing panel you will need to consult with the manufacturer to ensure that the metal panel you selected will work for your application.

Low slope or steep slope commercial application. 3 12 1 2 12 and 1 4 12. A low slope roof is one whose slope is less than 3 12. A method of retaining snow and ice on a metal roof so it will melt in place rather than shooting off the roof in a dangerous avalanche.

A 2 12 roof slope is considered low so the roofing materials you would use on a steeper roof may not work. One building was an ice hockey rink and the other was an electronics warehouse. Snow bars or guards are devices that will allow the snow and ice on your metal roof to fall off in small amounts or even melt completely before falling to the ground. When the snow piled up on the roof melting occurred and ice dams resulted in water ponding 3 inches deep.

Without some sort of metal roof snow fence the result can be catastrophic as the blanket of snow avalanches off the roof dumping tons of snow onto anything in its path. As the weather begins to warm this accumulated snow can slide off the roof in large chucks causing possible damage to gutters and personnel. Standing seam metal roofs which allow snow to slide more easily might do. Metal roofs leak under these circumstances.

Anything less than 1 12 pitch is a huge mistake in snow prone climates. That means the roofing material you choose needs to protect the materials underneath to prevent water damage and leaks.