When the melting mass goes down the snow fence it breaks the snow in chunks thus preventing it from crashing in one large swoop.
Snow fence for shingle roof.
This is a fairly simple and effective problem to solve with this roof type as the material itself provides some grip for the snow and ice due to the granular nature of the surface.
Snow guards for asphalt shingle roof snow retention.
Colorgard is the only snow retention system good enough to be warranted for the life of the roof.
Sno shield offers single double pipe style snow guards for metal shingle slate other roof types.
As well as other single and double pipe snow rail systems.
The snofence metal roof snow guard rail systems significantly reduce these risks associated with rooftop avalanches maintaining the clean lines of the roof and lasting as long as the roof itself.
That is why structure owners are encouraged to install snow guards onto their metal roofs to prevent rooftop avalanche.
Metal guards are widely used in canada including ontario province and toronto.
A snow guard is also referred to as ice breaker ice stop ice rake or sometimes as snow stop snow block or anti snow barrier.
Often a single fence style snow guard attached 12 from the eave edge will be sufficient.
These roof snow fence systems can be designed and engineered on a site specific basis.
Snow fence s range from 4 to as much as 16 tall and are attached to the roof with clamping mechanisms or brackets bolted into the roof deck or roof structure.