We had respondents who ve built awnings that can withstand a snow load of up to 70 pounds but they needed an engineer to determine how to do it.
Awning snow load.
The structure is what the awning snow load will primarily depend on.
A one inch layer of water or ice weighs approximately five pounds per square foot.
Snow typically weighs anywhere from 5 to 25 pounds per cubic foot depending on how wet it is.
Aluminum framework with polycarbonate sheet.
As a rule saturated snow weighs about 20 lbs.
Only the aluminum awnings are designed to handle snow loads as heavy snow loads could easily tear and stretch out a fabric window awning or door canopy.
Alunotec patio awning is as one of our hot selling products well received by clients.
So a roof designed for a 20 pounds per square foot snow load could theoretically hold up four inches of ice.
When you think about it it makes sense that the frame determines most of the strength of an awning.
Resist sunlight wind and rain.
Structured full truss systems for snow load allows stability all year round.
Several awning manufacturers pointed out that snow on an awning can become a life threatening matter should the awning collapse.
However once that snow has stopped you can extend the awning and enjoy the shade on a bright sunny day.
Best selling high snow load polycarbonate patio roof awnings.
Aluminum awnings are rated with a lbs per foot snow load.
Most importantly are the gauge of the awning panel and the tributary distance.
The frame manufacturer will be able to give you the estimated snow load which you can compare to the type of snowfall you receive in your area.
Attached you can find one of our aluminum sunlight shade awning project cases.
We offer over 100 choices of colors stripes and solids.
These aluminum awnings are perfect for anyone desiring awnings and living in a northern climate that prefers not to take the awnings down in the winter.
Covers are custom fit and fully secured preventing wind damage.
More average snow may weigh 15 pounds per cubic foot and drifted compacted snow may weigh 20 pounds or more.
They aren t rated for any snow loads that can run from 5 to 80 pounds per square foot or more.
The following calculation is based on a 25 moisture density which is conservative.
Some retractable fabric awnings will support a dusting of snow.
Also offering a good decoration effect.
Our system is designed to carry up to 18 000 pounds and still have large spans.