This style is not for standing seam metal roofs.
Snow won t slide off metal roof.
I would try cleaning the roof first as this would remove a lot of the dirt and debris that is making it hard for the snow to slide.
Snow will slide off the main roof after we get a few above freezing days.
However in one spot it slides off the main roof and down onto the porch roof then it stays there and does not slide off.
It would be interesting to try it on a small part of the roof to see if it works.
Also known as sno defender snow gards birds shoes blocks and jacks.
You should have the feeling that your shoes are sticking to the metal.
Published on jan 19 2012.
You will have to adjust all of this according to how regular rainfall flows off the roof you don t want the water to overshoot the rain gutter.
Since it takes a few warm days to soften up the snow so it will slide off the snow is quite mushy and sticky when it lands on the porch and when it lands on the porch roof it packs instantly.
Position the rain gutter right the rain gutter should be installed a bit lower down so it is not directly in the path of the sliding snow and the metal roof should hang almost halfway over the gutter.
The primary reason is a fear of having the building collapse under a heavy snow load.
Why do we design this way.
The metal surface is very smooth and slippery so you need to have good traction and a secure grip.
Also metal roof systems absorb heat from the sun warming the surface in a way that lubricates the layer of snow and causes it to slide off easier and faster.
Unlike shingle roofs metal roofs have smooth surfaces that do not provide any resistance to keep snow from sliding off.
What typically happens with a metal roof after a snowfall is that when the sun comes out radiant heat from the sun passes through the snow on the roof and reflects back outward.
The best shoes boots for metal roofs are the soft soled shoes usually made of a light pliable rubber.
Our approach in north america is to use a metal roof with a steep slope that will allow the snow and ice to slide off.
Keeps snow from sliding like an avalanche off your metal roof.
I ve read about people using dupont snow and ice repellent or fluid film on snow blowers.
Whatever the name these snow guards are of the highest quality and made by the amish community in the usa.
