They aren t rated for any snow loads that can run from 5 to 80 pounds per square foot or more.
Awning snow load.
Alunotec patio awning is as one of our hot selling products well received by clients.
Also offering a good decoration effect.
The structure is what the awning snow load will primarily depend on.
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.
The tributary distance is the space between points of attachment such as the hanger and an i beam and the beam to the gutter.
We offer over 100 choices of colors stripes and solids.
Several awning manufacturers pointed out that snow on an awning can become a life threatening matter should the awning collapse.
Snow typically weighs anywhere from 5 to 25 pounds per cubic foot depending on how wet it is.
More average snow may weigh 15 pounds per cubic foot and drifted compacted snow may weigh 20 pounds or more.
Aluminum awnings are rated with a lbs per foot snow load.
As a rule saturated snow weighs about 20 lbs.
There are several factors that are used to determine this figure.
Aluminum framework with polycarbonate sheet.
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.
Our system is designed to carry up to 18 000 pounds and still have large spans.
With our generic engineering you can go up to 30 psf of snow load which means if you have a cover that is 30 x20 ft.
Covers are custom fit and fully secured preventing wind damage.
Best selling high snow load polycarbonate patio roof awnings.
Resist sunlight wind and rain.
Attached you can find one of our aluminum sunlight shade awning project cases.
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.
However once that snow has stopped you can extend the awning and enjoy the shade on a bright sunny day.
The following calculation is based on a 25 moisture density which is conservative.
Structured full truss systems for snow load allows stability all year round.
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.
A one inch layer of water or ice weighs approximately five pounds per square foot.
