Awning Snow Load
Resist sunlight wind and rain.
Awning snow load. 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. 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. There are several factors that are used to determine this figure. Aluminum awnings are rated with a lbs per foot snow load.
So a roof designed for a 20 pounds per square foot snow load could theoretically hold up four inches of ice. A one inch layer of water or ice weighs approximately five pounds per square foot. When you think about it it makes sense that the frame determines most of the strength of an awning. However once that snow has stopped you can extend the awning and enjoy the shade on a bright sunny day.
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. We offer over 100 choices of colors stripes and solids. The following calculation is based on a 25 moisture density which is conservative. Aluminum framework with polycarbonate sheet.
More average snow may weigh 15 pounds per cubic foot and drifted compacted snow may weigh 20 pounds or more. As a rule saturated snow weighs about 20 lbs. 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. Alunotec patio awning is as one of our hot selling products well received by clients.
Our system is designed to carry up to 18 000 pounds and still have large spans. They aren t rated for any snow loads that can run from 5 to 80 pounds per square foot or more. The structure is what the awning snow load will primarily depend on. Some retractable fabric awnings will support a dusting of snow.
Covers are custom fit and fully secured preventing wind damage. Also offering a good decoration effect. Several awning manufacturers pointed out that snow on an awning can become a life threatening matter should the awning collapse. Attached you can find one of our aluminum sunlight shade awning project cases.
Snow typically weighs anywhere from 5 to 25 pounds per cubic foot depending on how wet it is. Best selling high snow load polycarbonate patio roof awnings. 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.